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e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C © 2008

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1. lt Hint gt Adjust the values for the following codes in order to adjust colors with RGB Adjustment of R Red Adjust Y Yellow and M Magenta Adjustment of G Green Adjust Y Yellow and C Cyan Adjustment of B Blue Adjust M Magenta and C Cyan b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be forcibly performed and the image density will be corrected e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 6 1 General Adjustments Copying Printing and e Filing Output from Box lt Note gt The above corrections will be effective immediately after the values for codes 08 2513 to 2515 are changed After changing the values for codes 08 2513 to 2515 remember to perform image quality control for code 05 396 c After completing image quality control print and check the print image quality Repeatedly use steps a to c as necessary to select a proper value If further image quality adjustments are still necessary use the next procedure BW 2 Check the life of the consumables particularly the drum developer material and transfer belt unit and replace them if necessary e When replacing any consumable use steps a to b a Enter the PM support mode Reset the counter corresponding to the replaced consumable to 0 For further information regarding the PM support mode refer to the Servi
2. value is obtained The value for 05 code for K black will affect black and white images including text lines and photos on the printout The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Low density area Medium density area High density area lt Note gt This adjustment changes the values set in the MFP Therefore it will affect every user who uses the printer by connecting it to the MFP After the adjustment the values changed will be applied to all printouts for the Image Quality Type and Halftone options For instance if the value for 05 code for PCL6 and Detail is changed it will be applied to printing performed with PCL6 and Halftone Detail or Auto selected Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment If Smooth is selected from among the Halftone options this adjustment will have no affect After adjusting the color balance print and check the print image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 53 3 Printer specific Adjustments Mac This adjustment will
3. If further image quality adjustment is necessary go to the next step e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 7 2 Copier specific Adjustments W 4 Enter the adjustment mode 05 and adjust the gamma balance in each of medium and high density areas Original mode 105 code 105 code Subcode Recommende Acceptable d value value range Text Photo 05 590 05 591 05 592 ACS Black Text Photo 05 7957 Set a value larger 0 to 255 ACS Black than 128 Text ACS Black Subcode Area where the density is adjusted Medium density area High density area Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained Note that gradations density level in the medium and high density areas may be reversed with some setting values Subcodes to be entered differ depending on the target density area Refer to the table above to enter the subcode for the area to be adjusted The density of thin text or illustrations is changed by adjusting mainly the setting value for the medium or high density area Do not change the setting value for the low density area because if the subcode 1s set at 0 the density of the low density area is adjusted but there 1s little or no effect on changing the density of thin text or illustrations After setting the value copy and check the image quality e STUDIO2330C 28
4. Only the service technician must use procedures 3 5 and 6 KE fi 1 Press the BASIC button on the Control Panel Press the button to increase the copy density After increasing the copy density copy and check the copy image quality With the copy density set to the maximum if further image quality adjustments are still necessary use the next procedure B W Press the MAGE button on the Control Panel Press the SHARPNESS button Press the SHARP button to increase the sharpness intensity After increasing the sharpness intensity copy and check the copy image quality With the sharpness intensity set to the maximum if further image quality adjustments are still necessary the service technician must use the following procedures E 3 Enter adjustment mode 05 Increase the values for codes 604 to 606 1757 and 7807 to 7809 to make the copied text darker sharpness level increases e The code to use varies according to the original mode Text Photo Text or Photo Adjust the value for 05 code corresponding to the original mode in which you would like to improve the image quality and set values larger than 128 for codes 05 604 605 Recommended Acceptable Original mode 05 code Spr es aise Text Photo 05 604 05 605 05 606 Image smoothing 05 7809 ACS Black Set a value larger than Text Photo ado 128 CE ACS Black 05 7807 Text ACS Black Setting 0 provides th
5. Stored z e Filing box Downloaded Converted into RGB Stored Client PC Converted into Stored Print Print data Print print data again i F i T E z re Fe r 7 re x s y If the image stored in the e Filing box is If the image is printed out directly from the e downloaded to a PC and then printed out the Filing box the image quality will be image data conversion may diminish the image maintained quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 e Filing specific Adjustments Q Explanation Initially the original is copied or printed and stored in the e Filing box Copy to Box or Print to Box as CMYK data or optimized for printing on paper While it is being downloaded to a client PC using File Downloader or the TWAIN driver it is converted into RGB data or optimized for displaying on the computer monitor RGB data are not suitable for printing on paper Therefore if printed out the image quality may be diminished Therefore it should be printed out directly from the e Filing box rather than downloaded to the PC in order to obtain a fine printout Please remember that the e Filing functions are available only on the Windows platform and not on the Macintosh or UNIX platform QI Procedures Both the service technician and the user can perform all adjustments Copy to Box _ Print to Box E I M WZ 1 Print out the image
6. e Correlation between the resolution and the file size procedure 1 The file size in a resolution of 200 dpi is 100 Approx 30 e Correlation between the original mode and the file size procedure 2 The file size in the Photo mode is 100 100 Approx 20 e Correlation between the compression rate and the file size procedure 3 The file size is 100 with MID selected MID 100 HIGH Approx 80 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 9 5 Scanning specific Adjustments e The adjustment may possibly diminish the image quality as shown by the table below Therefore carefully perform the adjustment while checking the scanned in image Possible image degradation Any of procedures from 1 to 4 The photo image area may be blurred 1 or 3 Noise may be increase around text 1 or 3 Small sized text may become illegible Light colored images may not be clearly scanned Q Remarks e Use the following steps to change the default resolution original mode compression rate and or background adjustment options a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER tab c Press the SCAN button d Press the Next button several times to display the screen to change the default value in the desired Color mode ce In the RESOLUTION ORIGINAL MODE COMPRESS
7. o oS Text Photo 05 1757 Set a value smaller ACS Black 05 7807 than 128 0 to 255 128 05 7808 28 to 127 The smaller the value 1s the weaker the sharpness intensity becomes The larger the setting value 1s the stronger the sharpness intensity becomes Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 25 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is decreased by 25 softer the value of each step of the indicator will also be decreased by 25 softer However the range of adjustment values that is valid for sharpness level change is from 100 to 100 of the total of the setting value of the adjustment code and that of the indicator For instance if the setting value of the adjustment code is 103 25 from the default value the limit of the steps in the soft side of the indicator is 3 If the step is set at 4 the image quality will not be changed e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 37 2 Copier specific Adjustments A 8 2 A sa 0008000 oo Default 100 50 50 25 0 25 50 75 100 Assigned adjustment value of sharpness Setting v
8. s Feeding direction When the density is adjusted automatically the When the density is adjusted density on the entire copy image becomes manually the density of the entire uneven copy image is even Before the adjustment _TOSHIBA COPIER DEMONSTRATION CHART 8 1 _ fumetion Autemetie Expasure Control Feeding direction Q Explanation When an original with background 1s copied with the density adjustment set automatic the density of the background may become uneven To suppress this unevenness adjust the density manually Q Procedures Both the service technician and the user can use all the steps of this adjustment E m M Press the BASIC tab on the touch panel and then press or D to adjust the copy density level LJ Caution after the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 83 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 84 3 Printer specific Adjustments 3 1 To Maintain a Steady Color Balance Before the adjustment After the adjustment Le F The color balance varies according to a change The color balance is constantly maintained in the environment or a lapse of time LJ Explanation The color balance varies according to a change in the environment replacement of the consumables and so forth Periodically
9. LJ Procedures The procedure to use varies depending on whether to adjust the tint of colors other than black the reproducibility of black in the Red and black mode or the boundary between black and colors other than black Refer to the procedure corresponding to the user s particular request e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 Copier specific Adjustments 2 16 1 To Adjust the Tint of Colors other than Black Both the service technician and the user can perform all adjustments HE 1 Press the IMAGE button on the Control Panel Press the TWIN COLOR COPY button Select the Twin color copy mode from among the twin color copy mode options e To select Red and black mode Press the RED amp BLACK button e To select the Twin color selectable mode Use steps a through d to select the Twin color selectable mode a Press the TWIN COLOR SELECTABLE button b Press the CHANGE BLACK TO button Press the button for the desired color c Press the SECOND COLOR button Press the button for the desired color d Press the ENTER button Use procedure 2 HE 2 Press the ADJUST button Press the button or the button for the color to be adjusted in order to adjust the tint of colors other than black e In the Red and black mode e Press the button to decrease yellow and the button to enhance magenta in order to enhance th
10. Smooth or Detail in accordance with Apply to of the halftone option the selected Color and Image Quality Type options as described by the table below Color and Image Quality Type options Apply to Auto Color Black and Twin General Photograph White Color strain T etc a etc The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Low density area Medium density area High density area lt Note gt This adjustment changes the values set in the MFP Therefore it will affect every user who uses the printer by connecting it to the MFP After the adjustment the values changed will be applied to all printouts for the Image Quality Type and Halftone options For instance if the value for 05 code for PCL6 and Smooth is changed it will be applied to printing performed with PCL6 and Halftone Smooth or Auto selected Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment This code is commonly used in the Twin color mode and the Color mode After the adjustment the values changed will be also applied to the image quality in the Color mode When adjusting the image quality in the Twin color mode carefully perform the adjustment b
11. lt Note gt Ifthe setting value is too large Moir may appear e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 77 2 Copier specific Adjustments To copy text or photos more clearly This adjustment is effective when you want image quality emphasizing text or photos a Enter the adjustment mode 05 Change the value of the code 7841 to adjust the reproducibility of the Text Photo mode Original mode 05 code Recommended value Set 1 or 2 to emphasize photos Full color User custom 05 7841 Set 4 or 5 to emphasize text Explanation for setting values Setting Reproducibility ct ce ete value level 0 Default Photo ce The reproducibility level of photos on printed images 1s higher than that of Photo oriented 1 2 Howo The A a level of photos on printed images is higher than that of default D Equivalent to default The reproducibility level of text on printed images is higher than 4 Text oriented 1 that of default l 5 Ti The DORA evel of text on printed images 1s higher than that of Text oriented 1 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 78 2 Copier specific Adjustments To adjust gamma balance This adjustment is effective when you change the gamma balance of the copied image a Enter the adjustment mode 05 Change the values for
12. 3 Printer specific Adjustments 3 3 To Obtain the Desired Color Balance Before the adjustment After the adjustment The natural color balance is obtained The desired color balance is obtained Ex Yellowness is enhanced Q Explanation If you would like to change the color balance or darkness of the printouts and reproducibility of halftones in accordance with a type of original or the user s requirements change the Image Quality Type option on the printer driver or adjust the color balance Q Procedures Perform the adjustment in accordance with the procedures below Both the service technician and the user can use procedures 1 and 2 Only the service technician must use procedure 3 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 5 3 Printer specific Adjustments NE 1 Change the Image Quality Type option on the printer driver For Windows PCL6 This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Change the Image Quality Type option in the Image Quality tab s TOSHIBA e STUDIO4520CSeries PS3 Properties Basic Finishing Paper Handling Print Job Norma sil El Bi Image Quality Type a etes Profile Name Photograph Presentation es Line Art E E gt Advanced Graphics Text L Setting Profile None
13. 5 8 5 Scanning specific Adjustments Hi HE D 4 When scanning the original press the COMMON SETTING button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the q button to decrease the background density Then select HIGH from among the compression rate options This adjustment will be effective only if the original with a color background such as a newspaper and color paper is scanned This adjustment will have an effect only on the image scanned in the Full color mode including the Auto color mode or the Gray scale mode After decreasing the background density and changing the compression rate scan the original and check the scanned in image quality With the background density set to the minimum if further image quality adjustments are still necessary use other procedures i 1 5 Enter the setting mode 08 Change the value for the code 8304 to change the JPEG compression ratio Compression 08 code Subcode Recommended Acceptable ratio value range value Set a value smaller po than 128 for higher compression ratio Standard 08 8304 0 to 255 128 Set a value larger Rooney than 128 for lower compression ratio Q Precautions after the completion of the adjustment e The table below shows you the correlation between the adjustment and file size The ratio of the file size may vary depending on the type of original Therefore use the table below just for your reference
14. Open the print dialog box Enable the Distinguish Thin Line option The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 1 gt Distinguish Thin Lines 10 3 x 10 4 x 10 5x_ Color Settings 1 gt Distinguish Thin Lines Printer TOSHIBA e STUDIO4520C HH o Presets Standard HH Color Settings 1 HH Color Type Halftone rd Distinguish Thin Lines Toner Save Image Type General Black Over Print Text and Graphics Pure Black and Gray Black and Gray Auto HA 7 PDF Preview Cancel Q Precautions after the completion of the adjustment Performing this adjustment on thin lines may not provide satisfactory results In this case it is recommended to perform the adjustment in conjunction with 3 14 To Clearly Print Light Colored Thin Lines or Text be made e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 67 3 Printer specific Adjustments 3 17 To Decrease the Image Density and Save Toner To Print in the Toner Save Mode Before the adjustment After the adjustment Sales Contest 3 Grand prize trip for two to the Cayman Islands Grand prize trip for two to the Cayman Islands Default printing Printing is performed while the toner is being saved LJ Explanation The e E STUDIO2330C 2820C 2830C 3520C 3530
15. TOSHIBA Leading Innovation gt gt Think in color 3520c 3530c 4520c Satisfying Specific Customer Needs for Designed Image Quality Imaging Manual Te untag Et Lure manmtenance File No SME08000600 R080621G0900 TTEC Ver00_ 2008 08 2008 TOSHIBA TEC CORPORATION All rights reserved Under the copyright laws this manual cannot be reproduced in any form without prior written permission of TOSHIBA TEC CORPORATION No patent liability is assumed however with respect to the use of the information contained herein Revision Record File No SME08000600 Date Rev No ltem Descriptions Remarks Purpose of the Imaging Manual The Imaging Manual is intended for customers using the Toshiba e STUDIO2330C 2820C 2830C 3520C 3530C 4520C with a variety of specific needs and inquiries for high image quality such as How to obtain a clearer copy image How to maintain the current image quality How to make the text look sharper on the copy The Toshiba MFPs are factory configured to provide image quality settings that satisfy the majority of customers However these settings may not be necessarily optimal for the specific needs of all customers Proper image quality adjustments can satisfy such needs Most of the adjustments described in this manual must be performed by a service technician but a few of them can also be performed by the customer It is strongly recommende
16. Text and Graphics HH Pure Black and Gray Black and Gray Auto H 7 PDF Preview Cancel Q Precautions after the completion of the adjustment Nothing in particular LJ Remarks adjustment may be significantly lost 3 15 3 Printer specific Adjustments Open the print dialog box Select Photograph from among the Image Type options The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 2 gt Image Type 10 3 x 10 4 x 10 5x Color Settings 1 gt Image Type e Setting a color space to sRGB is a prerequisite to maximize the effectiveness of this adjustment Therefore if the monitor does not support sRGB or if color management cannot be performed the effectiveness of the e In general it is impossible to reproduce color saturation closely matching the true colors as viewed on the monitor because the range of colors reproducible in toner colors is narrower than the one on the monitor 2008 TOSHIBA TEC CORPORATION All rights reserved 3 Printer specific Adjustments 3 5 To Maintain a Uniform Gray Hue To maintain Consistency in Gray among Text Photos and Graphics Before the adjustment After the adjustment Photo area y Photo area Text area gt WN ons Text area TOSHIBA TOSHIBA How gray is reproduced varies depending on All color toners are used to reproduce gra
17. b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be performed and the image quality control value will be initialized c Perform automatic calibration in the same manner as in procedure 2 After replacing any consumable remember to reset the counter corresponding to it to 0 Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables While replacing any consumable also check the slit glass in the laser optical unit and thoroughly clean it if 1t is soiled Q Precautions after the completion of the adjustment Nothing in particular QI Remarks e Enter the value mentioned in the procedures or one within the recommended value range for the adjustment Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e If printing on another type of paper causes a problem with the image quality after the adjustment return the set values for codes 05 2934 to 2937 to the default set value 5 and then perform the adjustment again e When replacing any consumable refer to the relevant information in the Service Manual and Service Handbook e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 4 1 General Adjustments Copying Printing and e Filing Output from Box 1 2
18. e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 22 1 General Adjustments Copying Printing and e Filing Output from Box 4 Check the second page of the printed test print pattern to identify a pattern for the out of registration colors There are 2 patterns for the out of registration colors Check which pattern the out of registration colors to adjust on the body are included Pattern A for out of registration colors Patch eliminated at Patch eliminated the leading edge trailing edge A 0 180 DEA IEA PEA IEA IBA IRA RN R PN Paper feeding speed slower than transfer belt rotating speed b Page number Paper feeding direction Black belt at the leading edge in the paper feeding direction Pattern B for out of registration colors Patch eliminated at Patch eliminated at the trailing edge the leading edge a LCL tn Paper feeding speed faster than transfer belt rotating speed Paper feeding direction e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 23 1 General Adjustments Copying Printing and e Filing Output from Box 5 Finely adjust the rotating speed of the registration motor in accordance with a pattern for the out of registration colors e Use steps a to b to perform the adjustment a Enter adjustment mode 05 Select code 483 Finely adjust the rotating speed of the registration
19. e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 41 3 Printer specific Adjustments 3 13 To Eliminate Smudges from Highly Colored Text and Lines To prevent toner scattering around text and lines where a large amount of toner is used Before the adjustment After the adjustment Paine us of ihe areas of rest Cyr Black text looks smudged due to toner Smudges are eliminated scattering around the text LJ Explanation When highly colored text and lines where a large amount of toner is used created on raster data image such as BMP GIF JPEG and TIFF are printed the text and lines look smudged due to toner scattering around the text and lines Adjust the sharpness intensity or the amount of toner used in order to obtain a clearer print image lt Hint gt Ifsmudged text and lines appear on the print image in PDF format on Adobe Reader unmark the Print as image checkbox to print out the image If the Print as image checkbox is marked text and lines will be printed as raster data bitmap image and may be smudged QI Procedures Perform the adjustment in accordance with the procedures below Both the service technician and the user can perform the adjustment for Windows Only the service technician can perform the adjustment for Macintosh e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 42 3 P
20. 0 to 255 129 to 228 05 1740 2238 Map ora User custom oss a a fp Text Photo 05 1757 Seta value larger larger ACS Black 05 7807 than 128 0 to 255 05 7808 129 to 228 The smaller the setting value is the weaker the sharpness intensity becomes The larger the setting value is PT Text Photo To 05 1737 LT Photo 05 1737 DEN Set a value larger Policolor tee than 128 0 to 255 the stronger the sharpness intensity becomes Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 25 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 25 sharper the value of each step of the indicator will also be increased by 25 sharper However the range of adjustment values that is valid for sharpness level change is from 100 to 100 of the total of the setting value of the adjustment code and that of the indicator For instance if the setting value of the adjustment code is 103 25 from the default value the limit of the steps in the soft side of the indicator is 3 If the step is set at 4 the image quality will not be changed e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION
21. 05 8061 When printing on Macintosh is performed with the following option selected Image Type Photograph Halftone Smooth gt Change the values for Y 05 8050 M 05 8051 C 05 8052 and K 05 8053 Printing on Macintosh is performed in PostScript See the PS3 row in the table below The hue of the black text printed using all color toners C M Y and K will look much clearer 1f the amount of the C cyan toner used is larger than the M magenta or Y yellow toner Remember that adjusting the density of K black does not affect the hue of the black text if all color toners are used to print the text adjust value range Y allow on M EE DCS C CE K am oe Set the value in increments of approximately 20 while checking the printouts until the optimum value is obtained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 85 3 Printer specific Adjustments Halftone refers to how halftones are printed Two options are available Smooth which is intended to improve the reproducibility of gradation and Detail which is intended to print halftones in details with the high frequency The halftone option to be applied in printing can be selected from among the Halftone options on the printer driver Windows or in the print dialog box Macintosh Auto is selected from among the Apply to options by default It 1s intended to automatically select
22. 1 Press the START button to perform calibration When the calibration comes to an end the message Scanning and calibrating will disappear As aresult of the above steps the copy image quality will be corrected in the Full Color mode and Black and White mode simultaneously To correct variations in image density by performing automatic calibration for each paper type refer to 1 Perform automatic calibration for each paper type to correct variations in image density in 2 13 To Obtain a Good Color Balance on Thick Paper To adjust the print image quality Use steps a through J to perform automatic calibration a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the ADMIN tab c Enter the 6 to 10 digit administrator password Press the ENTER button d Press the GENERAL button ec Press the CALIBRATION button f Press the PRINT button g Press the CALIBRATION button to print out the test chart h Place the printed test chart on the original glass 1 Press the START button to perform calibration When the calibration comes to an end the message Scanning and calibrating will disappear j The message Is a result made to reflect will appear Press the YES button To correct variations in image density by performing automatic calibration for each paper type refer to 3 2 To Maintain a Steady Color Balance on Thick Paper or Spe
23. Since the subcode varies according to the area where the density is adjusted refer to the table below and set the appropriate subcode Remember that mainly adjusting the low or medium density area will change the copy density of the images seen through the back of the page Setting 2 for the subcode will allow you to adjust the high density area But this will not solve the problem Therefore never change the value for the high density area Area where the density is adjusted Oo 0 Low density area Medium density area Q Precautions after the completion of the adjustment The adjustment may possibly cause text handwritten with a pencil or light text to become illegible on the copy Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 32 2 Copier specific Adjustments 2 7 2 To Adjust the Copy Image Quality in the Full Color Mode You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness
24. Stored Stored Ex Printing image mode Presentation Ex Printing image mode Photo Print Print Converted into Converted into print data print data Unless the printing image mode 1s selected When the printing image mode suitable for the printing may be performed with image stored data is selected the data can be printed processing not suitable for the stored data finely with optimal image processing e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 15 4 e Filing specific Adjustments LJ Explanation When an image is scanned stored in the e Filing box Scan to Box in the Full color or the Auto color mode and printed as it is without the printing image mode set printing may be performed with image processing not suitable for the image and the user may not obtain the desired image quality To finely print a full color image scanned and stored select the printing image mode General Photograph Presentation Line Art suitable for the image Then printing can be performed with image processing optimal for the image in the same manner as printing on the printer driver QI Procedures Perform the adjustment in accordance with the procedures below Both the service technician and the user can perform all adjustments This adjustment will have an effect only on the image stored in the Full color mode including the Auto color mode NE 1 Scan the full color image and
25. Subcode Image quality type Printing on Macintosh is performed in PostScript See the PS3 row in the table below Acceptable Apply to PDL 05 code Subcode Recommended value value range PCL6 05 8210 0 1 2 3 8 8 8 8 Text 05 8252 0 1 2 3 4 Set a value smaller than 8 8 8 8 8 Gem DD ee 8 8 8 8 8 the area to print only PCL6 05 8211 TEE er 1 1 1 8 Graphics 05 8253 0 1 2 3 4 1t0255 1 1 1 8 1 05 8250 0 1 2 3 4 Seta value larger than 1 1 1 8 1 N the default to increase the PCL6 05 8212 DPI eee 1 1 1 8 Image 05 8254 0 1 2 3 4 the K toner 1 1 1 8 1 05 8251 0 1 2 3 4 1 1 1 8 1 The subcode varies according to the Image quality type where the adjustment is performed Refer to the table below and set the subcode for the Image quality type to adjust Image Quality Type po General Photograph Color Profile lt Note gt If the graphic and image options are changed the adjustment may possibly cause the unnatural hue of gradational and photo images and the inadequate reproducibility of gradations Therefore carefully perform the adjustment while checking the printouts e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 83 3 Printer specific Adjustments This adjustment will have an effect only on Auto or Color mode printing 5 Open the property page of the printer driver and press Setting button in the Image Quality tab Ma
26. The sharpness adjustment will have an effect particularly on photo images such as BMP GIF JPEG and TIFF e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 33 3 Printer specific Adjustments LJ Procedures Both the service technician and the user can perform all adjustments NE 1 Change the Sharpness option on the printer driver For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Set the value for Sharpness within a range of 1 to 4 in the Image Attribute tab e Setting 4 provides the sharpest print image Setting Basic Color Balance Image Attribute Contrast Eh i Brightness 4 1 Background Adjustment 4 py E d Saturation a O 4 4 0 4 W Use Sharpness Filter i 4 4 Restore Defaults e STUDIO2330C 2820C 2830C 3520C 3530C 4520C Cancel Help 2008 TOSHIBA TEC CORPORATION All rights reserved 3 34 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Set the value for Sharpness within a range of 1 to 4 e Setting 4 provides the sharpest print image The menu to select varies according to the operating system Refer to the table below and select the menu
27. To Minimize Variations in the Image Quality under the Operating Conditions To optimally program image quality control 1 16 To Correct Out of Registration Colors ccccccecceeeseeceeeeeeeeeeeeeeeeeeeeeenaes 1 22 2 Copier specific Adjustments 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 2 14 2 15 2 16 To Copy Text Clearly To eliminate faint smudged or blurred text 2 1 2 1 1 To Adjust the Copy Image Quality in the Black Mode 2 2 2 1 2 To Adjust the Copy Image Quality in the Full Color Mode 2 5 2 1 3 To Adjust the Copy Image Quality in the Auto Color Mode 2 7 To Closely Match the Color Balance of the Original cccecceeeeeeees 2 10 To Improve the Reproducibility Of Gray 2 14 TO CODY IN VV IG COONS ne EE OE eee 2 16 To Make the Pale Area of the Original Look Darker and Sharper To improve the highlight reproducibility 2 20 To Eliminate the Background Color VV 2 23 2 6 1 To Adjust the Copy Image Quality in the Black Mode 2 24 2 6 2 To Adjust the Copy Image Quality in the Full Color Mode 2 26 To Avoid Copying the Image Seen through the Back of a Page Printed on Thin Paper 2 29 2 7 1 To Adjust the Copy Image Quality in the Black Mode 2 30
28. Yd Set a value larger than 176 to increase the density Set the value in increments of approximately 10 while checking the printouts until the optimum value is obtained Q Precautions after the completion of the adjustment The adjustment may possibly cause an increase of the amount of toner used if the image density is increased or provide faint print images if the image density is decreased Therefore carefully perform the adjustment while checking the printouts e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 73 3 Printer specific Adjustments 3 19 To Print Illegible Gray or Colored Text in Black Before the adjustment After the adjustment Example of configuration of a purification system pumped circulation type aquiclude Gray yellow and cyan text 1s illegible on the The gray yellow or cyan text is printed in printouts black This makes it more legible on the printouts LJ Explanation Text may look illegible on the printout depending on the hues of the background and the text contained in the original particularly when printing an original containing yellow light blue or gray text on a light colored background In addition when a full color original is printed in the Black and White mode the colored text may turn gray on the printout and eventually become illegible In this case change the option on the printer driver in order to reproduce the color
29. according to the paper type Periodically adjust the color reproducibility automatic calibration corresponding to the paper type in order to constantly maintain a steady color balance on any type of paper Automatic calibration is the basic adjustment to accurately reproduce colors on the printouts When you would like to accurately reproduce the desired hue or when you have replaced the consumables and changed the operating conditions perform automatic calibration to ensure the color reproducibility Q Procedures Perform the adjustment in accordance with the procedures below Only the service technician must use procedure 1 Both the service technician and the user can use procedure 2 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 3 3 Printer specific Adjustments PCL6 PS3 XPS EE EH IE 1 Enter setting mode 08 Set 1 for code 9059 e During automatic calibration the paper type can be selected and image quality control will be automatically performed Value for 08 9059 Image quality control operation during the automatic calibration a 0 S No paper selecting buttons display Paper selecting buttons displayed For both Copy and Printer After setting the value use the next procedure PcLe Ps3 ERD E TI 2 Perform automatic calibration to correct variations in image density ADMIN is selected from among the CALIBRATION DISPLA
30. and or BACKGROUND ADJUSTMENT option press the desired button to change the default The default resolution can be selected on a color mode basis Full color mode including the Auto color mode Gray scale mode and Black mode e The following resolution options are available as the default e Full color mode including Auto color mode 600 400 300 200 150 100 dpi e Gray scale mode 600 400 300 200 150 100 dpi e Black mode 600 400 300 200 150 100 dpi e Remember that when scanning the original in the Full color mode if the original mode option is switched from the Photo mode or the Printed image to the Text mode the file size may become larger e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 10 5 Scanning specific Adjustments 5 4 2 To Reduce the File Size in Slim PDF Both the service technician and the user can use procedure 1 The service technician must use only procedure 2 in adjustment mode 05 step b To reduce the blurred area of text and photos Both the service technician and the user can use other procedures lt Note gt Slim PDF will be available only if SCAN TO FILE OR USB or SCAN TO E MAIL is selected in scan mode to scan the original in the Full color mode or the Gray scale mode e The image quality or file size in Slim PDF may be more affected than in JPEG or PDF depending on the environment original pla
31. auto shut off mode have been disabled 20 is set for code 08 206 Remember that there will be no positive affect on the image quality if the sleep mode auto shut off mode have been enabled Period of time the MFP is left unused before starting image 08 571 quality control O ia ne OTHE PAT ete De pay is resumed is resumed job is resumed job is resumed job is resumed job is resumed e poe job is resumed job is resumed a teresa See ee S job is resumed po 120 minutes or longer default value image quality control is performed before the paused job is resumed e After setting the value for code 08 571 forcibly perform image quality control as follows Enter adjustment mode 05 Select code 396 Press the START button e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 18 1 General Adjustments Copying Printing and e Filing Output from Box A large number of sheets are printed hundreds of copies or more per day and the image quality needs to be constantly maintained Set the value for code 08 572 within a range of 1 to 9 Value x 100 sheets to reduce the accumulated number of printed sheets It will determine the interval until the next image quality control is performed After a copy or print job is completed if the accumulated number of printed sheets exceeds the specified value image quality control will be performed Value for 08
32. e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 14 5 Scanning specific Adjustments 5 6 To Scan an Original while Enhancing Black Before the adjustment After the adjustment gt z z m EE as LE Eo as LE z Faj z p Fa a TOSHA COLOR CHART Ver pmi r 3 TOSHA COLOR CHART Por api e bm Geese A ee Ceme TELE No TOC 1 ee AO TR No TO A 1996 03 AO Sa H lt pe 7 e ts ey re 7 TOSHA COLOR CHART For get e im Geese TLL EH NOTOC SHE AD er Black is not dark enough compared to the Black is enhanced and closely matched with original the original hue Explanation When a full color original is scanned black 1s not dark enough compared to the original In general the scanned in image is likely to become less dark Finely adjust the black density of the scanned in image in order to darken black and closely match it with the original hue This adjustment will have an effect only on the image scanned in the Full color mode including the Auto color mode e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 15 5 Scanning specific Adjustments QI Procedures The service technician must perform all adjustments GW 1 Enter adjustment mode 05 Change the values for codes 1075 to 1077 to adjust the black density of a scanned in image Color mode Original mode 05 code Reco
33. it may cause a loss in MFP performance including degradation in the image quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 54 2 Copier specific Adjustments 2 13 To Obtain a Good Color Balance on Thick Paper Before the adjustment After the adjustment TOSHIBA TOSHIBA The copy image looks light on thick paper The copy image looks darker and sharper even on thick paper LJ Explanation When image looks light on paper that is different from usual paper perform automatic calibration for each paper type to obtain the optimum image quality Q Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Only the service technician must use procedures 1 2 and 4 Both the service technician and the user can use procedure 3 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 55 2 Copier specific Adjustments EII y 1 Perform automatic calibration for each paper type to correct variations in image density A privilege to perform automatic calibration is set to Administrator by default
34. motor e Adjust the values in accordance with a pattern for the out of registration colors as shown in the table below Pattern for are 05 code Subcode Recommended value OTE YEN registration value range colors 123 to 127 TPA Set a value smaller than 128 05 483 0 to 255 128 PattemB B Pe ee to 132 Set a value Pe ee than 128 b After performing registration control print out the test print pattern to check whether the misaligned colors have been improved For further information regarding the adjustment procedures refer to procedures 3 and 4 Repeatedly use procedures 3 to 5 as necessary to select a proper value lt Hint gt When subcode 0 is adjusted for code 05 483 the correlation between the paper feeding speed and rotating speed of the transfer belt will be corrected in every paper mode However when colors are misaligned on an image printed in the thick paper mode after the adjustment for subcode 0 adjust subcode 3 during deceleration in the thick paper mode For subcode 3 use the steps and recommended values for subcode 0 Paper for printing a test print pattern will only be fed from the drawer Load the desired number of sheets of thick paper in the drawer in order to print the test print pattern on thick paper Adjust subcode 0 and then subcode 3 in order to adjust only misaligned colors in the thick paper mode e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 20
35. the service technician must use the next procedure IN F1 4 Enter adjustment mode 05 Change the values for codes 1779 to 1798 and 7980 to 7983 to adjust the density level of each color a to Acceptable Ee Original mode Original mode 05 code Recommended value Acceptable Default Yellow Photo to increase the density err 5 fT Text Photo 05 1794 0 1 2 05 1794 0 1 2 05 1795 0 1 2 Biack Text Photo 05 1789 0 12 05 1789 0 1 2 Set a value smaller than 128 05 1790 0 12 to decrease the density Cyan Map Set the value in increments of EEEE 10 while checking the copy image until the optimum value is obtained The value for the code corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted 0 Low densityarea Medium density area High density area Q Precautions after the completion of the adjustment The adjustment may possibly vary the hues of areas including photo images and text other than those marked with highlighters Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise
36. 0 VA Lo 72 70 LU ES 0 0 SR Re RE 3 95 3 24 2 To Adjust the Sharpness 3 100 3 24 3 To Print a Full Color Original in Two Colors ccccceceeeeceeeeeeeeeeseeees 3 102 4 e Filing specific Adjustments 4 1 To Clearly Store a B W Image in the Auto Color Mode 4 1 4 2 To Store an Original while Reducing the File Size 4 3 4 3 To Store a Color Photo Image while Minimizing Moire 4 5 4 4 To Match the Color Balance on the Original To adjust the color balance in Print to Box 4 7 4 5 To Scan and Print while Minimizing Moir cccccceeeceeeeeeeeeeeeeeeeeeeeeees 4 9 4 6 To Finely Print the Image Stored in the e Filing box To print images stored through Copy to Box or Print to Box 4 11 4 7 To Store an Image Suitable for Displaying on the Monitor or Image Editing 4 13 4 8 To Finely Print Color Images Scanned and Stored To print images stored through Scan to Box 4 15 AS PROD CUO a a ee 4 17 5 Scanning specific Adjustments 5 1 To Clearly Scan Text To reduce noise around text 5 1 5 2 To Scan an Original while Eliminating the Background Color To eliminate the background density 5 3 5 3 To Clearly Scan and Print an Original in Black and White To improve gradation and reduce graininess 9 5 5 4 To Scan the Original while Redu
37. 05 934 make the changing amount smaller Text Photo 0 to 255 20 Dark step 05 937 Set a value larger than 20 to make the changing amount larger Light step Moving the indicator to the U side range value Dark step Moving the indicator to the D side lt Note gt Ifthe setting value is too small or too large the density level may not be changed the number of steps moved may not be detected even if the user moves the indicator on the touch panel To adjust gamma balance in medium and high density areas a Enter the adjustment mode 05 Change the value for the code 949 to adjust the gamma balance in each of medium and high density areas B Accepta ase ble original 05 code Subcode Recommended value range mode value Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained Note that gradations density level in the medium and high density areas may be reversed with some setting values Subcodes to be entered differ depending on the target density area Refer to the table below to enter the subcode for the area to be adjusted Subcode Area where the density is adjusted Medium density area High density area e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 74 2 Copier specific Adjustments To make background lighter a Enter the adjustment mode 05 Increase the v
38. 2 27 2 Copier specific Adjustments NE W 5 Press the BASIC button on the Control Panel Select TEXT from among the original mode options To have TEXT selected from among the original mode options by default refer to procedure 1 in 2 8 To Eliminate Moir Q Precautions after the completion of the adjustment The adjustment may possibly cause the highlighted area to become less visible on the copy Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 28 2 Copier specific Adjustments 2 7 To Avoid Copying the Image Seen through the Back of a Page Printed on Thin Paper Original printed on thin paper front Original printed on thin paper back When a double sided original printed on thin The images seen through the back of the page paper 1s copied the images seen through the are not copied any more in duplex copying back of the page are also copied Q Explanation When a double sided original printed on thin paper such as a brochure and leaflet is copied the images seen through the back of the page are also copied Perform background adjustment in order to avoid this problem e STUDIO2330C 2820C 2830C
39. 2 7 2 To Adjust the Copy Image Quality in the Full Color Mode 2 33 TO iMmMNA MONG en dre cnrs ne rene ment 2 35 To Copy Sharply To enhance sharpness scccseccseeeeeeceeeceeeeeeeeeeeeeeseeeseeees 2 39 To Make Photo Edges Look Softer ccccccceccsseceeeceeeeeeeeeeeeeesaeeseeesaeees 2 42 To Make Solid Filled Bold Text Logo Highly Colored 2 47 2 11 1 To Adjust the Copy Image Quality of a Black Logo 2 48 2 11 2 To Adjust the Copy Image Quality of a Colored Logo 2 50 To Sharply Contrast the Hues of Highlighters on the Copy 2 52 To Obtain a Good Color Balance on Thick Paper 2 55 To Obtain Smooth Gray Scale Photo Images 2 59 To Change the Threshold in Auto Color Mode To change the threshold between the Full Color mode and the Black mode to meet the user s needs 2 61 To Adjust the Twin Color Copy Image Quality 2 64 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved Table of Contents 2 17 2 18 2 19 2 20 2 21 2 16 1 To Adjust the Tint of Colors other than Black cccceeccseeeeeeeeeeeeeaees 2 65 2 16 2 To Adjust the Reproducibility of Black in the Red and Black Mode 2 66 2 16 3 To Adjust the Boundary between Black and Colors other than Black 2 67 To Adjust the Image Quality Scanned from the RADF aanannannennennannnnnnns 2 68 To Program Frequ
40. 2008 TOSHIBA TEC CORPORATION All rights reserved 3 44 3 Printer specific Adjustments 2 Change the Background adjustment option on the printer driver For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver and press Setting button in the Image Quality tab And then set the Background Adjustment option in the Image Attribute tab within the range of 1 to 4 Setting Basic Color Balance Image Attribute Contrast m C comme Brightness IF Background Adjustment 4 al Saturation 4 tine 4 0 p E W Use Sharpness Filter i a Restore Defaults Cancel Help Q Precautions after the completion of the adjustment e The adjustment in procedure 1 may possibly provide insufficient photo contrast images Therefore carefully perform the adjustment while checking the printouts e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 45 3 Printer specific Adjustments 3 14 To Clearly Print Light Colored Thin Lines or Text Before the adjustment e baat sa Five Storied Pagoda A Toshogu Shrine Relocation Issues and Trends Relocation Issues and Trends E Country A E Country A E Country B E Country B E Country E Country Country D B Country D 2044 2045 2046 2047 2048 2049 2050 e044 2045 2046 2047 2048 2049 2050 Relocation to high
41. 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 21 2 Copier specific Adjustments NE WW 4 Enter adjustment mode 05 Change the values for codes 1779 to 1798 to adjust the color density Sete Original mode 05 code Subcode Recommended value nocem e adjust value range a2 hand Set a value larger than 128 to increase the density 0 to 255 128 Text Photo 05 1794 O 1 K 05 1795 Black TextPhoto 05 1789 on Set a value smaller than 128 05 1790 to decrease the density Cyan Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The value for the code corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted The density of the highlighted area will vary if the low or medium density area is mainly adjusted Setting 2 for subcode allows you to adjust the high density area But it will not affect the highlighted area Therefore never change the value for the high density area Area where the density is adjusted Low density area Medium density area Q Precautions after the completion of the adjustment The adjustment may possibly provide an excessively
42. After the adjustment After the adjustment A darker print image is obtained A brighter print image is obtained LJ Explanation The brightness of the print image can be easily adjusted by changing the Brightness setting on the printer driver e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 23 3 Printer specific Adjustments QI Procedures Both the service technician and the user can perform all adjustments li 1 Change the Brightness option on the printer driver e Select the desired value for brightness on a scale of 4 Darkest to 4 Lightest For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Change the Brightness option in the Image Attribute tab Setting Basic Color Balance Image Attribute Contrast i 7 a Brightness _ f g Background Adjustment 4 PI E Saturation 4 C 4 o j E MW Use Sharpness Filter i k E Restore Defaults e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 24 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Change the Brightness option The menu to select varies according to the operating system Refer
43. All rights reserved 3 8 3 Printer specific Adjustments Ml 2 Change the Color Balance option the Brightness or Saturation option on the printer driver For Windows PCL6 This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Image Type Quality button in the Image Quality tab Change the option in the Color Balance or Image Attribute tab Initially change the value by 4 steps while checking the printouts until the optimum value is obtained e Color Balance tab Change the All Colors or Each Color option Basic Color Balance Image Attribute Detail Restore Defaults Cancel Help e Image Attribute tab Change the Brightness or Saturation option Basic Color Balance Image Attribute Contrast M Use Sharpness Filter 4 o 4 Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 9 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Change the Color Balance option the Brightness or Saturation option The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 3 gt Color Balance Printer Features gt F
44. All rights reserved 2 40 2 Copier specific Adjustments 4 3 2 1 O 1 Soft I I I I Default 100 50 50 25 0 25 50 75 100 Assigned adjustment value of sharpness 2 3 4 I I Sharp Setting value 103 100 100 75 50 25 0 25 50 75 Since 25 is assigned to the center the image quality remains the same even if the indicator is changed from agr to 4 lt Note gt Sharpening the copy image and Minimizing moir are mutually contradictory When an adjustment is performed to sharpen the copy image moir may occur Q Precautions after the completion of the adjustment Nothing in particular Q Remarks e Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in copier performance including degradation in the image quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 41 2 Copier specific Adjustments 2 10 To Make Photo Edges Look Softer Before the adjustment After the adjustment The edges contours of the image are highly The edges look soft visible Q Explanation When a photo image is copied the contours or edges of the image sometimes become highly visible on the copy Perform adjustment regarding image processing sharpness intensity in order to soften the edges of the image QI Procedures You can start with any of the procedures But it is recommen
45. Change the values for codes 1675 1676 to adjust the threshold value in the Auto color mode As the set value is increased the original will be more likely to be recognized as black and white On the other hand if the value is decreased it will be more likely to be recognized as full color Threshold to adjust 05 code Acceptable pen value range Threshold when an original is manually 05 1675 0 to 255 placed on the original glass Threshold when an original is placed on the original glass from the RADF MR 3018 SPEE woe ss Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained Q Precautions after the completion of the adjustment e When a non standard sized original is copied an area outside the original or the original cover may also be scanned This may prevent the original size from being accurately detected If the original cover is soiled the type of original cannot be accurately detected Therefore instruct the users to clean the original cover on a routine basis once a week e After the threshold in the Auto color mode is adjusted based on a particular type of original other types of original may not be correctly detected Therefore carefully perform the adjustment while checking whether any type of original is correctly detected e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 63 2 Copi
46. DATE adjust value range Y Yellow 05 1630 M Magenta C Cyan K Black Set a value larger than 5 to 05 1631 increase the density 05 1632 Set a value smaller than 5 to decrease the density 05 1633 Set the value in increments of 1 while checking the copy image until the optimum value is obtained This adjustment will be effective only if the TEXT PHOTO or TEXT mode 1s selected from among the original mode options If the TEXT PHOTO mode is selected the adjustment will affect only text or an area which is recognized as text After adjusting the maximum color density of the text copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure NE 5 Press the BASIC button on the Control Panel Select TEXT from among the original mode options To have TEXT selected from among the original mode options by default refer to procedure 1 in 2 8 To Eliminate Moir Q Precautions after the completion of the adjustment The adjustment may possibly cause an increase in the amount of toner used moir blurred text small dark text blurred diminished photo images or gradational images less accurate reproducibility of halftones and noise around the text on the copy Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherw
47. IMAdS 8 3 33 To Obtain a Softer Image 3 36 To Make Low resolution Data Look Finer To soften an image 3 39 To Eliminate Smudges from Highly Colored Text and Lines To prevent toner scattering around text and lines where a large amount of toner is used 3 42 To Clearly Print Light Colored Thin Lines or Text 3 46 3 14 1 To Adjust the Print Image Quality in the Color Mode 3 47 3 14 2 To Adjust the Print Image Quality in the Black and White Mode 3 55 To Make the Light Colored Area Darker on the Printout 3 59 To Clearly Print Thin Lines Double Lines 3 65 To Decrease the Image Density and Save Toner To Print in the Toner Save Mode 3 68 To Adjust the Image Density in the Toner Save Mode 3 71 To Print Illegible Gray or Colored Text in Black ccccccceceeeeeeeeeeeeee eens 3 74 To Ignore Blank Pages for Printing ccccccccececeeeeeeeeeeeeeeeeeeaeeseeeeeees 3 76 TO Sharply Print Black OX cannes 3 79 To Prevent Dark Toner from Coming Off 3 89 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved Table of Contents 3 23 To Register the Image Quality Adjusted Corresponding to a Preference To use the Custom Color Settings 3 91 3 24 To Print a Full Color Original in Two Colors 3 94 20222
48. Microsoft Office is printed in PostScript PS3 It may not be effective if a file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress is printed or a PDF file created on these applications is printed Setting Basic Color Balance Image Attribute Custom Color Settings m Benea Halftone Resolution Auta k 2 BOOdpi 2 iw Use Black for All Text Distinguish Thin Lines W Pure Black Apply to iw Pure Gray Auto Apply to W Black Over Print Text amp Graphic Restore Defaults Cancel Help lt Note gt The adjustment may provide all colored text in black After changing the option on the printer driver print and check the print image quality If further image quality adjustments are still necessary the service technician must use the next procedure because text may not be defined as 100 black on the file e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 82 3 Printer specific Adjustments Mac This adjustment will have an effect only on Black and white mode printing NE 4 Enter adjustment mode 05 Change the values for codes 8210 to 8212 or 8249 to 8254 to adjust the threshold values for Pure Gray and Pure Black to adjust the area to print only using the K toner e Adjust the value for 05 code corresponding to the print option to be applied Apply to PDL Item
49. POLO gaT b alow Core E There was ro rue dre ia ras terrae proportion foe all core i There was ro nero dance ia rea ler proportion foe all cours Each county mas Erin 2205 as East county mous mppecoimaiely So Se dc p SE l LL D POL Ae AE 1620 FE Fans v The areas other than black is printed in the same color Red The original is printed in the Full color mode LJ Explanation Select the twin color print mode option in order to change colored text and lines on full color original and print out the original The Twin color print mode particularly affects originals containing clear text and lines It does not affect originals where gradations of photo images are required QI Procedures The procedure to use varies depending on whether To Adjust Colors To Adjust the Sharpness or To Print a Full Color Original in Two Colors Refer to the procedure corresponding to the particular user s request e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 94 3 Printer specific Adjustments 3 24 1 To Adjust Colors NE 1 Select Twin Color from among the Color options on the printer driver For Windows Open the property page of the printer driver Select Twin Color from among the Color options in the Basic tab Press the Details button Select the color to be used for the area other than black from among the Color options TOSHIBA e STUDI
50. Scan to Box it will be compressed into JPEG format The data compression rate can be selected on a job by job basis The file size significantly varies depending on the selected data compression rate When LOW is selected from among the compression rate options the file size will be 2 to 3 times larger than the one when HIGH is selected When storing the original if a higher priority is given to file size reduction than the image quality change the compression rate Please remember that the e Filing functions are available only on the Windows platform and not on the Macintosh or UNIX platform This adjustment will have an effect on images stored using Scan to File and Scan to E mail Q Procedures Both the service technician and the user can perform all adjustments e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION Alll rights reserved 4 3 4 e Filing specific Adjustments This adjustment will have an effect only on images JPEG format stored in the Full color mode including the Auto color mode or the Gray scale mode M WW 1 Select HIGH from among the compression rate options MID is selected from among the compression rate options by default The procedure to use varies depending on whether to select the compression rate on a job by job basis without utilizing the template utilize the template or change the default compression rate Refer to To select the compression r
51. Setting options in the Others tab The Image Quality Type option will be effective if printing on Windows PS3 is performed but not on Macintosh or if a file created on the above applications is printed However the color balance may be changed and also the image quality may be diminished depending on the type of file e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 7 3 Printer specific Adjustments The Image Quality Type options feature the following e General Photograph e Presentation e Line Art General is the best rounded option to offer fine printouts of any type of original including text photographs and graphics It is suitable for printing using word processing and spreadsheet software If General is selected Smooth which is intended to improve the reproducibility of gradations will be applied to graphics and images while Detail which 1s intended to improve the resolving power will be applied to text from among the Halftone options screen Photograph is intended to improve the reproducibility of halftones such as photos and gradational images This provides the color balance closely matching the one on the monitor with sRGB selected as a color space If Photograph is selected Smooth which is intended to improve the reproducibility of gradations will be applied to graphics and images while Detail which is intended to i
52. To Adjust the Density of an Entire Copy LJ Explanation The density on a solid colored image and a photo or gradational image halftones can be adjusted as desired by the user Q Procedures The use procedure varies depending on whether you are going to adjust the density on a solid colored image or a photo or gradational image Refer to To Adjust the Density on a Solid Colored Image in order to adjust the density on a solid colored image Refer or To Adjust the Density on a Photo or Gradational Image in order to adjust the density on a gradational image halftones 1 2 1 To Adjust the Density on a Solid Colored Image If the density is decreased If the density is increased sen a carte men ome gt gee ala carte mew omy rink menu En and nue The solid colored area becomes lighter The solid colored area becomes darker LJ Explanation A particular color can be intensely darker or lighter depending on the type of paper or original used Adjust the developer bias output in order to adjust the amount of toner on the solid colored area and obtain the image quality the user desires LJ Procedures The service technician must perform the adjustment in accordance with the procedures below e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 5 1 General Adjustments Copying Printing and e Filing Output from Box EU MI WW 1 Enter setting mode 08 Change t
53. Two options are available Smooth which is intended to improve the reproducibility of gradation and Detail which is intended to print halftones in details with the high frequency The halftone option to be applied in printing can be selected from among the Halftone options on the printer driver Windows or in the print dialog box Macintosh Auto is selected from among the Apply to options by default It 1s intended to automatically select Smooth or Detail in accordance with Apply to of the halftone option the selected Color and Image Quality Type options as described in the table below Color and Image Quality Type options Apply to Auto Color Black and Twin General Photograph White Color Photograph etc The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Low density area Medium density area High density area lt Note gt This adjustment changes the values set in the MFP Therefore it will affect every user who uses the printer by connecting it to the MFP After the adjustment the values changed will be applied to all printouts for the Image Quality Type and Halftone options For instance if the value for 05 code for PCL6 and Smooth is changed it will be applied to printing performed with PCL6 and Halftone Smooth or Auto selected Carefully per
54. Y and K toners Change the option on the printer driver in order to use only the black toner to reproduce the gray area where C M Y and K are used as described above Q Procedures Both the service technician and the user can perform all adjustments e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 19 3 Printer specific Adjustments HE 1 Mark the Pure Gray checkbox on the printer driver Select Text Graphic amp Image from among the Apply to options Pure Gray allows gray areas to always be reproduced using only the K toner without changing the hue of color areas This adjustment will be effective only if a file created on a general application such as Microsoft Office is printed It may not be effective if a file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress is printed or a PDF file created on these applications is printed For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Mark the Pure Gray checkbox in the Basic tab Select Text Graphic amp Image from among the Apply to options Setting Basic Color Balance Image Attribute Custom Color Settings Photograph o od Halftone Resolution FF Auto 2 BO0dpi Use Black for All Test D
55. a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 13 2 Copier specific Adjustments 2 3 To Improve the Reproducibility of Gray Before the adjustment After the adjustment Another color M is blended in the gray area No undesired color is blended A clear copy image is obtained Q Explanation When an original containing gray is copied another color may be blended in the gray area Perform image quality control automatic calibration color adjustment color balance adjustment or RGB adjustment and color density adjustment in order to avoid this problem or to obtain an achromatic color for instance QI Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Only the service technician must use procedures 1 and 4 Both the service technician and the user can use procedures 2 and 3 EU D 1 Enter adjustment mode 05 Sel
56. adjust the color reproducibility automatic calibration in order to constantly maintain a steady color balance on the printouts Automatic calibration is the basic adjustment to accurately reproduce colors on the printouts When you would like to accurately reproduce the desired hue or when you have replaced the consumables and changed the operating conditions perform automatic calibration to ensure the color reproducibility LJ Procedures Perform the adjustment in accordance with the procedures below Only the service technician must use procedure 1 Both the service technician and the user can use procedure 2 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 1 3 Printer specific Adjustments LPCL6 PS3 XPS ED BE DE 1 Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be forcibly performed to correct variations in image contrast After exercising image quality control use the next procedure _PcL PS3 xPS EIES E IE 2 Perform automatic calibration to correct variations in image density ADMIN is selected from among the CALIBRATION DISPLAY LEVEL options by default In other words an administrator is authorized to operate automatic calibration But the USER option can also be selected to allow the user to operate it Refer to the MFP Management Guide for further information regarding how to select
57. adjust the tint of colors in Marker mode 05 code Acceptable value range Default 05 1769 Set the value in increments of approximately 1 while checking the copy image until the optimum value is obtained The subcode varies according to the color where the adjustment is performed Refer to the table below and set the subcode for the color to be adjusted Subcode Color to adjust Y Yellow Setting a value larger than the default value moves the hue of the color selected to as shown below On the other hand setting a value smaller than the default value moves it to For instance set 6 for R Red Then the tint of the red is closely matched with that of Y Yellow Set 0 for R Red Then the tint of the red will be closely matched with that of M Magenta After adjusting the hue copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 53 2 Copier specific Adjustments I 3 Perform color balance adjustment or RGB adjustment to adjust the tint of the colors in general For further information regarding the adjustment procedures refer to procedure 4 in 2 2 To Closely Match the Color Balance of the Original After adjusting the tint of colors copy and check the copy image quality If further image quality adjustments are still necessary
58. all the above procedures have been used must the service technician use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 18 2 Copier specific Adjustments NI I 5 Enter adjustment mode 05 Change the value for code 2905 to adjust the transfer 1st transfer roller bias output Adjust the offset voltage of transfer roller bias for C Cyan and K Black so as to increase the density of R Red e The code to use varies according to the paper type and color to adjust Adjust the value for the subcode corresponding to the color for which you would like to improve the image quality Set the value within a range of 2 to 5 to obtain the highest density of R Red Paper type Color to 05 code Subcode Recommended Acceptable adjust value value range en oa Cyan 2 pK Black 05 2905 2t05 0 to 10 C TE Thick K Black Never change the values for subcodes other than the above a it may cause a loss in MFP performance including degradation in the image quality lt Note gt The adjustment may possibly decrease the density of G Green B Blue and K Black extremely Therefore carefully perform the adjustment while checking the copy image e Unless this adjustment changes the density of R Red return the values to the default set value 5 e This adjustment may affect not only the copy image but also every image qua
59. but this can be changed to the User For how to change the privilege refer to the MFP Management Guide e Follow steps a through J to perform the automatic calibration a Enter the setting mode 08 Change the value of the code 9059 to 1 so that automatic calibration for each paper type will be enabled Value for 08 9059 Display for user calibration O O Not displayed default Displayed b Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu c Press the ADMIN tab d Enter an administrator password in 6 to 10 digits Press the ENTER button e Press the GENERAL button f Press the CALIBRATION button g Press the COPY button h Press the CALIBRATION button to print a test chart 1 Place the printed test chart on the original glass J Press the START button to start the calibration The message WAIT disappears when the calibration is finished The procedure above covers both the color and black copy calibration After the automatic calibration copy and check the image quality If further image quality adjustment is necessary go to the next step Wi 71 2 Enter adjustment mode 05 Change the values for codes 1613 to 1620 to adjust the amount of toner used e The code to use varies according to the paper type Adjust the value for 05 code corresponding to the paper type for which you would like to improve the image quality and increas
60. corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode The value adjusted for the background density is shared in the Full color mode with the Printed image mode selected and in the Black mode with the Photo mode selected Therefore adjusting the copy image quality in either of the modes affects that in the other mode Perform copy image quality adjustment in the mode that is used for the adjustment while checking that in the other mode In the manual density adjustment images are processed with the highlighting reproducibility given priority Therefore it is recommended to select the automatic density adjustment in order to make the background lighter e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 26 2 Copier specific Adjustments lt Note gt Making the highlighted area more visible or increasing the background density and eliminating the background color or decreasing the background density are mutually contradictory If the density of the background color is decreased the highlighted area may become less visible After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary or background elimination is necessary according to color use the next procedure II 1 4 Enter adjustment mode 05 Chan
61. dark background Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 22 2 Copier specific Adjustments 2 6 To Eliminate the Background Color Before the adjustment After the adjustment TOSHIBA COPIER DEMONSTRATION CHART B 1 Function Automa Expouse Contre ATHE TOSHIBA TIMES The background color of the original 1s also The background color is eliminated allowing copied Therefore no clear contrast is made clear contrast between the background and text between the background and text LJ Explanation When a full color original such as colored paper is copied its background color is also copied Therefore no clear contrast is made between the background and the text on the copy Perform background adjustment in order to copy an original with a highly colored background while eliminating the background color or making it white Q Procedures The procedure to use varies depending on whether to adjust the copy image quality in the Black mode or the Full color mode Refer to the procedure corresponding to the user s particular request e STUDIO2330C 2820C 2830C 3
62. density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E 4 Enter the adjustment mode 05 Change the values for codes 7286 and 7287 to make the range correction operation in the manual density mode fixed e The code to be set differs depending on the original mode Text Photo or Text Select the 05 code for the target original mode and change the value to 0 Original mode 05 code eee nee ee Acceptable value value range Text Photo 05 7286 mp 05 7287 Explanation for setting values Setting Range correction value operation 0 Fixed After adjusting the background peak copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 31 2 Copier specific Adjustments E 5 Enter adjustment mode 05 Change the values for codes 590 to 592 to adjust the gamma balance in each of the low and medium density area Recommended Original mode 05 code Subcode value Text Photo 05 590 Set l maller th 05 591 ee 05 592 Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained Note that gradations density level in the medium and high density areas may be reversed with some setting values
63. for your reference The above file sizes are just for your reference If the original is constantly scanned at the If the original is scanned at a reasonable default compression rate the file size may compression rate depending on the purpose of become larger than required the scanned in image the file size will be successfully reduced LJ Explanation If an original is scanned in the default resolution and at the default compression rate a proper image will be obtained for general purposes But the file size may become larger than required The file size of the scanned in image significantly varies depending on the selected resolution or compression rate If an appropriate resolution and a compression rate are selected in accordance with the purpose of the original the image quality will be maintained while the file size is being reduced Change the resolution original mode or compression rate or perform the background adjustment in order to minimize the file size of the scanned in image The e STUDIO2330C 2820C 2830C 3520C 3530C 4520C offers the Slim PDF function This will diminish the image quality but reduce the file size to approximately 1 8 to 1 10 compared to the scanned in image 300dpi compression rate MID in JPEG format Q Procedures The procedure to use varies depending on whether to reduce the file size by changing the options when scanning the original or in Slim PDF Refer to To Reduce the File Size by Cha
64. in the duplex mode e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 3 1 General Adjustments Copying Printing and e Filing Output from Box The table below shows you the acceptable paper weight for the paper type Paper type Acceptable paper weight Plain paper 64 to 105 g m 16 to 20 Ib Bond Thick 1 106 to 163 g m Max 60 Ib Cover Thick 2 164 to 209 g m Max 110 Ib Index Thick 3 210 to 256 g m Max 140 Ib Index Thick 4 257 to 280 g m Max 150 Ib Index e After adjusting the transfer roller bias output perform automatic calibration in the same manner as in procedure 2 lt Hint gt The transfer voltage increases as the set value is increased It is usually recommended that the set value be increased when you print on thick paper or paper with asperities on its surface On the other hand the set value should be decreased when you print on thin paper After adjusting the density print and check the image quality If further image quality adjustments are still necessary use the next procedure E O0 ON Pl 4 Check the life of the consumables particularly the drum developer material and fuser unit and replace them if necessary e When replacing any consumable use steps a to c a Enter the PM support mode Reset the counter corresponding to the replaced consumable to 0 For further information regarding the PM support mode refer to the Service Manual
65. its w ater solub le compounds 283 Hydrogen fluor ide and its water soluble salts Boron and its compounds 346 Molybden um and its compounds Molybden um and its compounds Thin lines or double lines are dotted on the The thin lines or double lines are clearly printout printed out LJ Explanation When thin lines or double lines which are laid out on a solid filled area are printed out they may be dotted on the printout Change the option on the printer driver in order to clearly print them out Q Procedures Both the service technician and the user can perform all adjustments e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 65 3 Printer specific Adjustments E 1 Enable the Distinguish Thin Line option on the printer driver For Windows Open the property page of the printer driver Press the Setting button in the Image Quality tab Mark the Distinguish Thin Line checkbox in the Basic tab Setting Basic Color Balance Image Attribute Custom Color Settings m General Halftone Resolution FF lato EGOdpi Distinguish Thin Lines W Pure Black Apply to W Pure Gray Auto Apply to W Black Over Print Text amp Graphic Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 66 3 Printer specific Adjustments For Macintosh
66. m Save Profile Jelete Setting Restore Defaults e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 6 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Change the Image Type option The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 2 gt Image Type 10 3 x 10 4 x 10 5x Color Settings 1 gt Image Type Printer TOSHIBA e STUDIO4520C BE Presets Standard H Color Settings 1 HH Color Type Halftone Distinguish Thin Lines Toner Save Image Type General Photo Black Over Print Presentation LineArt Pure Black and Gray 7 C PDFY Preview Cancel This adjustment will be effective only if a file created on a general application such as Microsoft Office is printed in PostScript PS3 XPS and Macintosh It may not be effective if a file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress is printed or a PDF file created on these applications is printed using the C M Y and K toners Unmark the Use PostScript Passthrough checkbox in the PostScript
67. may not have on hand and then neighbors You will feel better knowing you have the supplies and strategy you need to C Simulate Ink Black _ Simulate Paper white deal with an emergency Bookmarks E Signatures Ink Manager Things to have for an emergency 7 You may be on your own for a minimum De 7 of 72 hours following a natural disaster or rnp Site Color Warnings other emergency Police fire and paramedics may be unable to respond to every need Be prepared to Manage without their assistance m Separations Electricity water telephone and natural gas T service may be dismpted Utilities may be css eS unavailable for many days 4 Water At least 2 gallons of water per person per day for the time you plan for Replace stored water every 6 months Secure water heater with plumber strapping Liquids from canned food ice and toilet reservoirs will be safe Food Keep at least a l week supply of food on hand and rotate it into your regular pantry every 6 months Store foods with high nutritional value that are easily prepared Remember special dietary needs and keep pets in mind too First Ald It is vital that you know basic first aid Medical facilities may be overwhelmed and possibly C Total Area Coverage pe difficult to reach Take a Red Cross first aid L Show All w Attachments s CIN Comments a i id 4 er b e STUDIO2330C 2820C 2830C 3520C 3530C 452
68. of a Black Logo You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use steps 1 and 2 Only the service technician can use steps 3 and 4 lt Important gt Before you start this adjustment make sure that no color misalignment exists on the logos If there is any correct it before the adjustment For how to correct the color misalignment deviation refer to 1 5 To Correct Out of Registration Colors in this manual and also the Service Manual M 1 1 Press Press the BASIC button on the Control Panel If you want to emphasize the reproducibility of text more select TEXT as an original mode If you want to emphasize that of photos select TEXT PHOTO If you want the TEXT or TEXT PHOTO mode to be the default original mode refer to step 1 in 2 8 To Eliminate Moir After selecting the Text mode copy and check the copy image quality If further image quality adjustment is necessary go to the next step NE P 2 Perform color balance adjustment to enhance black e Use steps a through d to perform the adjustm
69. of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 and 3 Only the service technician must use procedure 2 iW 1 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the LIGHT button to decrease the background density After decreasing the background density copy and check the copy image quality With the background density set to the minimum if the images seen through the back of the page are still copied the service technician must use the next procedure I I 2 Enter adjustment mode 05 Change the values for codes 1688 to 1692 and 1698 to 1702 to adjust the background density Adjustment Original mode 05 code Recommended value ATES ELE Default value range Automatic offsetting adjustment for background processing Set a value smaller than 128 0 to 255 128 Manual offsetting 05 1699 adjustment for 05 1700 background processing 05 1701 05 1702 The value for automatic offsetting adjustment for background processing will be applied only if the automatic copy density mode is selected On the other hand the value for manual offsetting adjustment for background processing will be applied only if the manual copy density mode 1s selected Set the value in increments of approximately 10 while checking the copy
70. on the Control Panel to enter the User Functions menu b Press the USER tab c Press the SCAN button d In the COMPRESS or RESOLUTION option press the button corresponding to the desired compression rate or resolution option The default resolution can be selected on a color mode basis Full color mode including the Auto color mode Gray scale mode and Black mode e The following resolution options are available as the default e Full color mode including the Auto color mode 600 400 300 200 150 100 dpi e Gray scale mode 600 400 300 200 150 100 dpi e Black mode 600 400 300 200 150 100 dpi e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 2 5 Scanning specific Adjustments 5 2 To Scan an Original while Eliminating the Background Color To eliminate the background density Before the adjustment After the adjustment TOSHIBA COPIER DEMONSTRATION CHART B 1 Function Automatic Exposure Control THE TOSHIBA TIMES HOW MANY DINOSAURS DO YOU KNOW te The background color of the original is also The background color is eliminated allowing scanned Therefore no clear contrast 1s made clear contrast between the background and between the background and image image LJ Explanation When an original with a background is scanned such as a newspaper and colored paper the back
71. processing Twin color copy The value for automatic offsetting adjustment for background processing will be applied only 1f the automatic copy density mode is selected On the other hand the value for manual offsetting adjustment for background processing will be applied only if the manual copy density mode is selected Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The value for the code corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode lt Note gt Making the highlighted area more visible or increasing the background density and eliminating the background color or decreasing the background density are mutually contradictory If the background color is darkened to make the highlighted area more visible the hue of the background may change After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure M 1 3 Press the BASIC button on the Control Panel Press the D button to increase the copy density After increasing the copy density copy and check the copy image quality With the copy density set to the maximum 1f further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO2330C
72. reference to the density and the IMAGE QUALITY FOR BLACK option They will affect the image quality of black and white originals stored in the Auto color mode Therefore carefully perform the adjustment being aware that the image quality of all future images will be changed when storing originals other than the one that is used for the adjustment Q Remarks If HIGH QUALITY is selected from among the IMAGE QUALITY FOR BLACK options and black and white originals are scanned in the Auto color mode and stored in the e Filing box Scan to Box this allows them to be stored in the Gray scale mode rather than in the binary mode and eventually provides better halftones The data will increase in size compared to those in the binary mode e The adjustment of density will be effective only if STANDARD is selected from among the IMAGE QUALITY FOR BLACK options e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 2 4 e Filing specific Adjustments 4 2 To Store an Original while Reducing the File Size Before the adjustment After the adjustment HIGH Approx 400 TOSHIBA When LOW is from among the When HIGH is from among the compression rate options the file size will compression rate options the file size will become larger than required be reduced Q Explanation When an original is scanned in the Full color or the Gray scale mode and stored in the e Filing box
73. steps a to 1 below a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER tab c Press DRAWER in the USER menu d Select a drawer that you want to set for thick paper mode and paper size e Press PAPER TYPE Press THICK 1 g Enter the adjustment mode 05 Then select the subcode 1 for the code 2934 and change the setting value to 3 e Change the level of transfer roller bias offset in the color mode the front side of paper Check how the copy image changes carefully The setting value may be changed to 4 or 2 if required h Place paper to be used on the drawer that you selected in step d above 1 Perform automatic calibration Refer to step 2 in 1 1 To Obtain a Darker Image After setting the value print and check the image quality If further image quality adjustment is necessary go to the next step E T ME D 4 Check the life of the consumables particularly the drum developer material and transfer belt unit and replace them if necessary e When replacing any consumable use steps a to c a Enter the PM support mode Reset the counter corresponding to the replaced consumable to 0 For further information regarding the PM support mode refer to the Service Handbook b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be performed and the image
74. steps in the adjustment procedure shall be performed by the service technician EH 1 Enter the setting mode 08 Change the value for the code 508 to enable the functions of the custom mode in the black mode Value for 08 508 Custom mode for black mode i Unused Used Text Photo base The default adjustment value for the custom mode is preset at the one that reproduces image quality equivalent to that of the Text Photo mode in the black mode at the shipment After setting the value go to the next step e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 71 2 Copier specific Adjustments E 2 Enter the adjustment mode 05 Adjust each setting value for the custom mode to satisfy the user s request e Select the necessary adjustments from the procedures below To match the density level of background scanned with the original glass equivalent to that of background scanned with the RADF a Enter the adjustment mode 05 Change the value for the code 7025 to adjust the reproducibility of the background of the image scanned with the RADF The larger the setting value 1s the darker the background becomes The smaller the setting value is the lighter the background becomes Acceptable 05 code Recommended value range value Set a value smaller than 128 to make the background darker 05 7025 0 to 255 Set a value larger than 128 to make the backgr
75. store it in the e Filing box For further information regarding how to scan and store images refer to the Operator s Manual for e Filing Guide and Scanning Guide NE W 2 Select a printing image mode suitable for the stored image e Use steps a to d to change the printing image mode a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER tab c Press the E FILING button d Press the button for the mode suitable for the image in the PRINTING IMAGE MODE option For further information regarding the features of each printing image mode refer to the explanation of the Image Quality Type options in Procedure 1 of 3 3 To Obtain the Desired Color Balance lt Note gt A change to the printing image quality mode will apply to all future printouts using the e Filing box Carefully perform the adjustment while printing out images other than the one that is used for the adjustment E i M G3 Print out the image stored in the e Filing box on the Control Panel or using the e Filing Web utility For further information regarding how to print it out refer to the Oprator s Manual for e Filing Guide Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 16 4 e Filing specific Adjustments 4 9 Appendix Perform the e Filing setting
76. system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 1 gt Halftone 10 3 x 10 4 x 10 5x Color Settings 1 gt Halftone Printer Presets Standard Color Settings 1 Color Type Color Halftone v Distinguish Thin Lines Toner Save Image Type General Black Over Print Pure Black and Gray 7 PDFY Preview TOSHIBA e STUDIO4520C H Detail H HH Text and Graphics H Black and Gray Auto HH Cancel Print After changing the option on the printer driver print and check the print image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 3 56 2008 TOSHIBA TEC CORPORATION All rights reserved 3 Printer specific Adjustments PCL6 Mac This adjustment will have an effect only on Black and white mode printing E 2 Enter adjustment mode 05 Increase the values for codes 7315 to 7320 to adjust the gamma curve balance and increase the density on Black and White mode printing e Adjust the value for 05 code corresponding to the print option to be applied PDL and Halftone Printing on Macintosh is performed in PostScript See the PS3 row in the table below value range _ 05 7315 0 1 2 05 7316 0 1 2 PCL6 i EE ec tu 2010055 128 05 7318 0 1 2 XPS 05 7319 0 1 2 05 7320 0 1 2 Set the value in incre
77. the resolution scan the original and check the scanned in image quality If further image quality adjustments are still necessary use other procedures When scanning the original press the COMMON SETTING button on the Control Panel Select TEXT from among the original mode options Perform this adjustment only 1f a black and white original containing no photo images is scanned or if degradation in the photo image quality is acceptable This adjustment will be effective only if TEXT PHOTO or PHOTO is initially selected from among the original mode options This adjustment will have an effect only on an image scanned in the Black mode After changing original mode scan the original and check the scanned in image quality If further image quality adjustments are still necessary use other procedures When scanning the original press the COMMON SETTING button on the Control Panel Select HIGH from among the compression rate options MID is selected from among the compression rate options by default This adjustment will have an effect only on an image scanned in the Full color mode including the Auto color mode or the Gray scale mode After changing the compression rate scan the original and check the scanned in image quality If further image quality adjustments are still necessary use other procedures e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved
78. the touch panel and then press the OUTSIDE ERASE button Change the border between the original and areas not belonging to the original by pressing either or as required When you adjust it to side the area to be detected as that not belonging to the original is widened When you adjust it to side the area to be detected as that not belonging to the original is narrowed lt Notes gt The Outside Erase function may not be operated correctly under the following conditions When making copies in a bright room leaving the RADF or the Platen Cover opened The density of areas not belonging to the original is lowered due to outside light When the original has extremely dark areas The extremely dark areas are wrongly detected as areas not belonging to the original and thus erased In case of special originals e g a three dimensional object an original with black edges the edges of an opened book Q Caution after the adjustment Areas not belonging to the original may not be erased exactly as the user has requested erased too much or not erased at all depending on the type of the original Also the area to be erased may change depending on the orientation of the original Therefore adjust it carefully while checking the copy image e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 80 2 Copier specific Adjustments 2 20 To Avoid Copying Blank Page of Original Scan
79. to make the text and lines darker improving faint text or thin lines Original mode 05 code Recommended Acceptable value range value If the setting value is too large the life of consumables may be shortened lt Note gt To adjust copy density a Enter the adjustment mode 05 Change the value for the codes 931 and 940 to adjust the copy density The larger the setting value is the darker the image becomes The smaller the setting value is the lighter the image becomes Accepta Base ble original Density mode 05 code Recommended value mode saree value Set a value smaller than Automatic 05 940 128 to make the image darker Text Photo 0 to 255 Manual 05 93 Set a value larger than 128 to make the image lighter e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 13 2 Copier specific Adjustments To adjust the changing amount of ACS ADJUSTMENT indicator a Enter the adjustment mode 05 Change the values for codes 934 and 937 to adjust the changing amount of the ACS ADJUSTMENT indicator per step for the manual density mode The larger the setting value is the larger the changing amount per step becomes The smaller the setting value is the smaller the changing amount per step becomes Accepta Base Moving ble original direction in 05 code Recommended value mode indicator Set a value smaller than 20 to Light step
80. to the original ones Then use other procedures Both the service technician and the user can use procedures 1 2 and 5 Only the service technician must use procedures 3 and 4 lf 1 Press the BASIC button on the Control Panel Press the D button to increase the copy density After increasing the copy density copy and check the copy image quality With the copy density set to the maximum if further image quality adjustments are still necessary use the next procedure NE 2 Press the IMAGE button on the Control Panel Press the SHARPNESS button Press the SHARP button to increase the sharpness intensity After increasing the sharpness intensity copy and check the copy image quality With the sharpness intensity set to the maximum if further image quality adjustments are still necessary the service technician must use the following procedures NE 3 Enter adjustment mode 05 Increase the values for codes 1737 to 1741 to strengthen the copy density of text or increase the sharpness intensity e The code to use varies according to the original mode Text Photo Text Printed image Photo or Map Adjust the value for 05 code corresponding to the original mode in which you would like to improve the image quality and set values larger than 128 for codes 05 1737 to 1741 Original mode 05 code Recommended value Acceptable value range Default Set a value larger than 128 0 to 25
81. w 3 Sen EBB B ER EEE oe The light colored area becomes darker but the highly colored area becomes blurred Only the light colored area becomes darker Q Explanation When the entire image is printed darker to make the light colored area darker the highly colored area may become much darker and blurred Change the options on the printer driver or adjust the color balance in order to make only the light colored area darker while leaving the highly colored area as it 1s e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 59 3 Printer specific Adjustments Q Procedures Perform the adjustment in accordance with the procedures below Both the service technician and the user can use procedure 1 Only the service technician must use procedures 2 and 3 The item to set varies depending on the type of data to adjust Select an effective option according to the data format to adjust such as a print image raster data text font and line drawing graphic data For Windows This adjustment will have an effect only on Auto or Color mode printing NE 1 Open the property page of the printer driver and press Setting button in the Image Quality tab Set the Background adjustment option in the Image Attribute tab within the range of 1 to 4 setting Basic Color Balance Image Attribute Contrast a nea Brightness een Ba
82. will have an effect only on full color printing Open the print dialog box Select Black Text Graphic amp Image from among the Pure Black and Gray options The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 2 gt Pure Black and Gray 10 3 x 10 4 x 10 5x Color Settings 1 gt Pure Black and Gray Printer TOSHIBA e STUDIO4520C R Presets Standard HH Color Settings 1 KH Color Type Halftone rd Distinguish Thin Lines Toner Save Image Type General HH Black Over Print Text and Graphics HA 7 PDFw Preview After changing the option on the printer driver print and check the print image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 81 3 Printer specific Adjustments E G Open the property page of the printer driver Press the Setting button in the Image Quality tab Mark the Use Black for All Text checkbox in the Image Quality tab This adjustment will have an effect only on printing on a Windows PCL6 or PS3 or XPS emulation printer driver This adjustment cannot be performed on a Macintosh printer driver This adjustment will be effective only if a file created on a general application such as
83. 08 TOSHIBA TEC CORPORATION All rights reserved 1 24 1 General Adjustments Copying Printing and e Filing Output from Box Q Precautions after the completion of the adjustment Nothing in particular Q Remarks e Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality eOut of registration colors cannot always be perfectly corrected this depends on the type of text or lines to print e Also refer to the relevant information in the Service Manual for further information regarding color registration control procedures e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 25 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 26 2 Copier specific Adjustments 2 1 To Copy Text Clearly To eliminate faint smudged or blurred text Before the adjustment After the adjustment The occurrence of errors has been increasing Gradually every year Duis aute iture repreheo nderit volupate 93 94 95 96 97 98 99 93 94 95 96 97 98 99 M Hanc ego cum tene sententiam Adipiscing consecterur sed diam Auam multa vitiose and non distriv et indicat on ingenion Sumde enim bon et malute puew utra Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupat TOSHIBA TOSHIBA Activities for the Family Yo
84. 0C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 88 3 Printer specific Adjustments 3 22 To Prevent Dark Toner from Coming Off Before the adjustment After the adjustment Population transition of e STUDIO Country MH 4 1am D J a d d Fe a L d L a T si Li serma at T wr EiL m w FJ CC ful gay j il i J p BE Eccuni A Ei county 6 I County County D Biceanty A Ei ceunty B County County D The dark toner comes off The dark toner is securely fixed LJ Explanation When highly colored lines where a large accumulated amount of C M Y and K toners are used are created on raster data image such as BMP GIF JPEG and TIFF and printed on the rough surface of paper or thick paper the toner may come off the paper This is because the C M Y and K toners may be overlaid the paper may be extremely thick or the surface may be rough and the amount of toner used may be insufficient Adjust the limit value of the maximum amount of toner used in order to avoid a toner fixing problem This adjustment does not affect a single color of C M Y and K or bright colors such as red and green QI Procedures The service technician must perform all adjustments Wf 1 Enter adjustment mode 05 Decrease the values for code 8070 or 8071 to reduce the limit value of the maximum amount of toner used e Adjust the value for 05 code corresponding to the print opt
85. 2 Set a value smaller ACS Black Oto4 Text Photo PU ame ACS Black 05 7103 Text Set the value in increments of approximately 1 while checking the copy image until the optimum value is obtained After increasing the copy density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E 6 Enter adjustment mode 05 Change the values for codes 590 to 592 and 7956 to 7959 to adjust the gamma balance in each of medium and high density areas value value range Text Photo 05 590 05 591 05 592 Image smoothing omen 7956 ACS Black Set a value larger Text Photo 05 7957 faa than 128 UE ACS Black 05 7958 Text ACS Black Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained Please be careful because the gradation or density of the medium density area may exceed that of the high density area depending on the set value e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 3 2 Copier specific Adjustments The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted The density of light text or a graphic image will vary if the medium or high density area is mainly adjusted Setting 0 for the subcode allows you to adjust the low dens
86. 2008 TOSHIBA TEC CORPORATION All rights reserved 3 102 4 e Filing specific Adjustments 4 1 To Clearly Store a B W Image in the Auto Color Mode After the adjustment After the threshold value was adjusted Before the adjustment Stored in the Gray scale mode The light image becomes blurred and text becomes illegible Toyo Burka Kalan Hal Even the light image is not blurred Text is clear and legible LJ Explanation When a black and white original containing black and white photo images is scanned in the Auto color mode and stored in the e Filing box Scan to Box it is stored with binary data with reference to a threshold value This may make a dark area blurred and a light area eliminated Adjust the threshold value in order to clearly store the black and white original in the Auto color mode Please remember that the e Filing functions are available only on the Windows platform and not on the Macintosh or UNIX platform This adjustment will have an effect on the image stored using Scan to File and Scan to E mail e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 1 4 e Filing specific Adjustments LJ Procedures Both the service technician and the user can perform all adjustments This adjustment will have an effect only on images stored in the Auto color mode VW 1 This adjustment is effective when you scan an original judged as a bl
87. 20C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 8 2 Copier specific Adjustments Q Precautions after the completion of the adjustment The adjustment may possibly cause an increase in the amount of toner used moir blurred text small dark text blurred diminished photo images or gradational images less accurate reproducibility of halftones Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 9 2 Copier specific Adjustments 2 2 To Closely Match the Color Balance of the Original Before the adjustment After the adjustment The copy image looks yellowish compared The color balance of the copy image is closely with the original matched with that of the original Q Explanation Depending on the color balance of the original the copy image sometimes looks different from the original Perform image quality control automatic calibration color adjustment color balance adjustment or RGB adjustment and the color density adjustment in order to match the color balance of the copy image with that of the original Q Procedures You can start wit
88. 34 to 2937 bias offset and 5293 to 5296 fusing temperature during printing back to the default ones Then perform the adjustment again e When replacing any consumable refer to the relevant information in the Service Manual and Service Handbook e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 15 1 General Adjustments Copying Printing and e Filing Output from Box 1 4 To Minimize Variations in the Image Quality under the Operating Conditions To optimally program image quality control Before the adjustment After the adjustment The image contrast varies depending on the The image quality is constantly maintained date and time when copying or printing 1s performed or the type of job e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 16 1 General Adjustments Copying Printing and e Filing Output from Box Q Explanation The image contrast may vary depending on the date and time when copying or printing is performed or the type of copy print job To constantly maintain image quality shorten the waiting period until image quality control is performed LJ Procedures The service technician must perform the adjustment in accordance with the procedures below BL EW 1 Enter setting mode 08 Change the value for code 566 570 or 572 to specify the best interval during which image quality contro
89. 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 29 2 Copier specific Adjustments QI Procedures The procedure to use varies depending on whether to adjust the copy image quality in the Black mode or the Full color mode Refer to the procedure corresponding to the user s particular request Refer to the procedure to adjust the copy image quality in the Full color mode with the Printed image mode selected in order to adjust the copy image quality in the Black mode with the Photo mode selected The value adjusted is shared in the Black mode with the Photo mode selected and in the Full color mode with the Printed image mode selected Therefore adjusting the copy image quality in either of the modes affects that in the other mode 2 7 1 To Adjust the Copy Image Quality in the Black Mode You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedure 1 and 2 Only the service technician must use procedures 3 to 5 E 1 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the LIGHT bu
90. 5 128 Setting 0 provides the softest image while setting 255 provides the sharpest image Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 25 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 25 sharper the value of each step of the indicator will also be increased by 25 sharper e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 5 2 Copier specific Adjustments The values adjusted for the sharpness intensity are shared in the Full color mode with the Printed image mode selected and in the Black mode with the Photo mode selected Therefore adjusting the copy image quality in either of the modes affects that in the other mode Perform copy image quality adjustment in the mode that is used for the adjustment while checking the one in the other mode After increasing the sharpness intensity copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure NE 1 4 Enter adjustment mode 05 Change the values for codes 1630 to 1633 to adjust the maximum color density of the text Sule Me 05 code Recommended value ESO
91. 520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 23 2 Copier specific Adjustments 2 6 1 To Adjust the Copy Image Quality in the Black Mode You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedure 1 Only the service technician must use procedures 2 to 4 E 1 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the LIGHT button to decrease the background density After decreasing the background density copy and check the image quality With the background density set to the minimum if further image quality adjustments are still necessary the service technician must use the next procedure E 2 Enter adjustment mode 05 Change the values for codes 7033 7034 7041 to 7044 7048 and 7049 to adjust the density level of the background value B E E 7041 Manual density Text 05 7042 adjustment Set a value smaller than 128 dd Set the value in increments of approximately 25 while checking the copy image until the optimum value is obtained
92. 572 Accumulated number of printed sheets before image quality control is performed 100 to 900 sheets 1 000 sheets default e After setting the value for code 08 572 forcibly perform image quality control as follows Enter adjustment mode 05 Select code 396 Press the START button After performing the adjustment print and check the image quality If further image quality adjustments are still necessary use the next procedure E O0 ON 2 The image density or color during continuous printing on the plain paper can be stabilized by changing the fusing related settings by means of the following procedures QI Procedures Follow the procedure below a Change the parameter of 08 5241 0 Temperature correction in ready status heat roller at normal temperatures to 0 default 2 0 deg C and reduce the set temperature by 10 deg C b Change the parameter of 08 5241 1 Temperature correction in ready status pressure roller at normal temperatures to 0 default 2 0 deg C and reduce the set temperature by 10 deg C c Change the parameter of 08 5308 1 Pre running time for the first printing plain paper at normal temperatures color to 9 default 0 Invalid and extend the pre running time for the first printing by 10 sec d Change the parameter of 08 5310 1 Applicable period of pre running time for the first printing to 0 default 8 10 min and change the setting of Pre running for the first prin
93. After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure 3 Enter adjustment mode 05 Change the values for codes 590 to 592 to adjust the gamma balance in each of low and medium density areas US 05 code Subcode Recommended value ACER NA mode value range Text Photo 05 590 05 591 Set a value smaller than 128 0 to 255 05 592 Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 24 2 Copier specific Adjustments The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted The background density will vary if the low or medium density area 1s mainly adjusted Setting 2 for the subcode allows you to adjust the high density area But it will not affect the background density Therefore never change the value for the high density area Area where the density is adjusted RCE Low density area Medium density area After adjusting the gamma curve balance copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure E 4 Enter the adjustment mode 05 Change the values for codes 7286 and 7287 to s
94. Attribute tab e Setting 4 provides the sharpest print image Initially set 4 and check the printout If further image quality adjustments are still necessary refer to lt Hint gt to do this Setting Basic Color Balance Image Attribute Contrast m eer ee Brightness d p E Background Adjustment 4 Py Saturation e a 4 4 i W Use Sharpness Filter i 4 1 Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 50 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Set the value for Sharpness within a range of 1 to 4 e Setting 4 provides the sharpest print image Initially set 4 and check the printout If further image quality adjustments are still necessary refer to lt Hint gt to do this The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 4 gt Sharpness 10 3 x 10 4 x 10 5x Color Settings 2 gt Sharpness Printer TOSHIBA e STUDIO4520C jo Presets Standard HH Color Settings 2 HH Color Balance Cyan Magenta Cancel Print lt Hint gt In addition to the sharpness adjustment decreasing Brightness moving to the side changing Cont
95. C 4520C offers a toner save mode It is intended to automatically decrease the image density and reduce the amount of toner used Change the option on the printer driver and perform printing in the toner save mode for instance if a large number of copies have to be printed or if the image density is too high QI Procedures Both the service technician and the user can perform all adjustments e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 68 3 Printer specific Adjustments E 1 Enable the Toner Save option on the printer driver For Windows PCL6 PS3 XPS Open the property page of the printer driver Mark the Toner Save checkbox in the Others tab TOSHIBA e STUDIO4520CSeries PS3 Properties Basic Finishing Paper Handling Image Quality Effect Print Job Default Menu Setting Normal Print ee Basic Letterhead Print Mode Custom Paper Size PostScript Settings gt Topdccess i Department Graphics eparimen Profile Custom Settings File hase pers None ET l a Save Profile Delete Version Information Restore Defaults Restore All Defaults e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 69 3 Printer specific Adjustments For Macintosh Open the print dialog box Enable the Toner Save option The menu to select varies according to the operati
96. For Macintosh Open the print dialog box Enable the Do not Print Blank Pages option The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Printing Modes gt Do not Print Blank Pages 10 3 x 10 4 x 10 5x Print Mode gt Do not Print Blank Pages Printer TOSHIBA e STUDIO4520C Hi o Presets Standard Print Mode Normal Department Code Disabled Preview Cancel Q Precautions after the completion of the adjustment The adjustment may not possibly operate the following options as programmed Therefore pay special attention to the combination of options e Booklet printing e N up printing e Use Front Cover e Use Back Cover e Interleave Pages Q Remarks If any data are inserted in the header or footer of a particular page on Excel or Word even though no data are present in the body the page will not be recognized as a blank page The header or footer will be printed out e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 78 3 Printer specific Adjustments 3 21 To Sharply Print Black Text Before the adjustment After the adjustment Emergency Preparedness Emergency Preparedness With wererral preparatas you an lemes ere ni drzis good med cmar Wih wererral perparatars you om lowes te coer wil craie a paal aeckea espere y Danger sneif tr fatri y piar cer Lit ard gebd
97. IC button on the Control Panel Select IMAGE SMOOTHING from among the original mode options To have IMAGE SMOOTHING selected from among the original mode options by default refer to procedure 1 in 2 8 To Eliminate Moire Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 60 2 Copier specific Adjustments 2 15 To Change the Threshold in Auto Color Mode To change the threshold between the Full Color mode and the Black mode to meet the user s needs Original exe infinitalus po prop Employee Guide Banetits Summary Hegkh merung ere infinital Us perae Employee Guide Benefits Summary Heals brane ech US of your ee skry aal br cms om hr kai of leiala a d hee dies Be Ginie Dinatdbty neuranos emir terre Te packet apes O cee Serk Geo bo a nan mort Lae dau or i fe be epia her oral p hrilis fi radi ange O aih areo age It is copied in the Full color mode Changing the threshold value will allow a colored original to be copied in the Black mode Q Explanation When the Auto color mode is selected it will be automatically determined whether an original is colored or black and white Then it will be copied in the Full color mode or the Black mode But adjust the threshold value in order to change the threshold between the Black mode and the Full color mode and suit the preference
98. Macintosh a Enter adjustment mode 05 Change the value for code 1055 to adjust the upper limit of the image density in the toner save mode Printing on Macintosh is performed in PostScript See the PS3 row in the table below 3c 0 Set a value smaller than 176 to Ps3 051085 0 decrease the density _ Set a value larger than 176 to increase the density Set the value in increments of approximately 10 while checking the printouts until the optimum value is obtained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 72 3 Printer specific Adjustments To adjust the image quality on Black and White printing Black and White is selected from among the Color options on the PCL6 or PS3 or XPS printer driver Mono is selected from among the Color Type options on Macintosh The Color options are available in the Basic tab on the PCL6 PS3 and XPS printer drivers The Color Type options are available in the Color Settings 1 menu in the print dialog box on Macintosh a Enter adjustment mode 05 Increase the value for code 664 to adjustment the upper limit of the image density in the toner save mode Printing on Macintosh is performed in PostScript See the PS3 row in the table below 05 code Recommended value Acceptable value Default ps3 05 664 0 Set a value smaller than 176 to a decrease the density
99. O4520CSeries PS3 Properties Finishing Paper Handling Image Quality Effect Others Print Job Normal Prit El E Original Paper Size Letter 8 142411 Print Paper Size Manual Scale a H Same as Original Size fi 25 400 Paper Source Auto Paper Type Plain has dhe PEN A 1 Z 1 999 Graphics Text l Orientation T Profile None Ce Portrait Landscape Save Profile Jelete Restore Defaults Twin Color Twin Color Cancel e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 95 3 Printer specific Adjustments For Macintosh ED Open the print dialog box Select Twin color Black amp from among the Color Type options The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 1 gt Color Type 10 3 x 10 4 x 10 5x Color Settings 1 gt Color Type Printer TOSHIBA e STUDIO4520C Presets Standard Black and Red Black and Green Black and Blue Black and Cyan Black and Magenta Black and Yellow Black and White LL Halftone Distinguish Thin Linesk Toner Save Image Type General HA Black Over Print Text and Graphics HH Pure Black and Gray Black and Gray Auto HA 7 PDF Preview After selecting these options p
100. Open the property page of the printer driver Change the Image Quality Type and Halftone options in the Image Quality tab e Set either of the following options in accordance with the type of original to print e Image Quality Type Presentation To make color darker Halftone Detail To make the halftone screen high frequency TOSHIBA e STUDIO4520CSeries PS3 Properties Setting Basic Finishing Paper Handling Image Quality Effect Others Print Job Basic Color Balance Image Attribute non E Image Quality Type Custom Color Settings ES Profile Name a 7 a General w Photograph Presentation Halftone ____ Resolution om pa ll oo Eo Eo gt Advanced Use Black for All Text lt Distinguish Thin Lines Graphics Text Profile Mi M Pure Black Apply to None z M Pure Gray fawo e Save Profile E Setting wine Apply to PT eee eee ee ee Restore Defaults M Black Over Print Text amp Graphic v Restore Defaults Cancel Help e Image Quality Type Line Art To make the color darker and enhance thin lines Halftone Auto or Detail To make the halftone screen high frequency TOSHIBA e STUDIO4520CSeries PS3 Properties Basic Finishing Paper Handling Image Quality Effect Others Setting Print Job oh Basic Color Balance Image Attribute Normal Print xi a Image Quality Type Profile Name Custom Colo
101. Printer Features gt Feature Sets Color settings 4 gt Sharpness 10 3 x 10 4 x 10 5x Color Settings 2 gt Sharpness Printer TOSHIBA e STUDIO4520C Bk Presets Standard HH Color Settings 2 HH Color Balance Cyan Magenta PDF Preview 3 Q Precautions after the completion of the adjustment The adjustment may possibly cause rough edges of the image contained in low resolution bitmap data As a result outlined edges may look shaded black bands may appear and toner may be scattered around the lines Therefore carefully perform the adjustment while checking the printouts e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 35 3 Printer specific Adjustments 3 11 To Obtain a Softer Image Before the adjustment After the adjustment Unadjusted settings A softer image is obtained Explanation Decrease the sharpness intensity under the menu on the printer driver in order to obtain a softer print image The sharpness adjustment will have an effect particularly on photo images such as BMP GIF JPEG and TIFF e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 36 3 Printer specific Adjustments LJ Procedures Both the service technician and the user can perform all adjustments NE 1 Change the Sharpness option on the printer driver For Windows This adjustment will have an
102. This adjustment will have an effect on the image scanned in the Full color mode including the Auto color mode or the Gray scale mode Q Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use this procedure However step 3 in the procedure must be performed only by the service technician i ME 71 1 When scanning the original press the COMMON SETTING button on the Control Panel Select LOW from among the compression rate options MID is selected from among the compression rate options by default After changing the compression rate scan the original and check the scanned in image quality If further image quality adjustments are still necessary use procedure 2 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 1 5 Scanning specific Adjustments gi pa 2 When scanning the original press the COMMON SETTING button on the Control Panel Select a higher resolution in the resolution option 200 dp1 is selected from among the resolution options by default If noise occurs in a reso
103. XT or PHOTO is initially selected from among the original mode options This adjustment will have an effect only on the image stored in the Full color mode including the Auto color mode After changing the original mode scan and store the original Then print and check the print image quality If further image quality adjustments are still necessary use other procedures e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 9 4 e Filing specific Adjustments M M 2 When scanning the original press the COMMON SETTING button on the Control Panel Select a lower resolution in the resolution option 200 dpi is selected from among the resolution options by default If moir occurs in a resolution of 200 dpi select a lower resolution 150 dpi is recommended After changing the resolution scan and store the original Then print and check the print image quality If you do not prefer to decrease a resolution or if moir still occurs even in a lower resolution use other procedures i HE 3 When scanning press the COMMON SETTING button on the Control Panel Adjust the sharpness intensity e Press the button on the indicator to increase the sharpness intensity or the button to decrease it The sharpness intensity is set to the center by default If moir occurs by default press the button to decrease the sharpness intensity After adj
104. Y LEVEL options by default In other words an administrator is authorized to operate the automatic calibration But the USER option can also be selected to allow the user to operate it Refer to the User Functions Guide for further information regarding how to select the CALIBRATION DISPLAY LEVEL option Use steps a through 1 to perform the automatic calibration a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the ADMIN tab c Enter an administrator password of 6 to 10 digits Press the ENTER button d Press the GENERAL button e Press the CALIBRATION button f Press the PRINT button g Press the button for the paper type to be corrected s USER FUNCTIONS BYPASS FEED Select Paper Type for Bypass Feed PLAIN RECYCLED 64 105g m PAPER THICK 1 THICK 2 THICK 3 THICK 4 After the paper type is selected image quality control is automatically performed h Load A4 LT sized paper selected at step g 1 Press the CALIBRATION button to print out the test chart j Place the printed test chart on the original glass k Press the START button to perform calibration When the calibration comes to an end the message Scanning and calibrating will disappear 1 The message Is a result made to reflect will appear Press the YES button e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION Alll rights reserved 3 4
105. according to the input and output methods of the data To scan black images more clearly in the Auto color Displaying on a mode computer monitor To scan an original while reducing its file size Dopage on i computer monitor To scan color photos while avoiding Moire Copy to Box D PAME on E computer monitor To scan and print originals while avoiding Moire Printing on paper To print images stored in e Filing boxes more Copy to Box clearly Print to Box To scan images optimal for image processing or to Displaying on a Scan to Box be displayed on a computer monitor computer monitor To pri lor i ith th i gt 4 O print color images stored with the scanning Sante Box Printing on paper function more clearly Printing on paper To match the color balance of the scanned image to Displaying on a Print to Box that of the original computer monitor 4 1 4 2 4 3 4 4 4 5 4 6 4 7 8 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 17 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 18 5 Scanning specific Adjustments 5 1 To Clearly Scan Text To reduce noise around text Before the adjustment Color has always been an important part of life and is Color can be used to emphasize and prioritize information iti be used to organize material adding a logical sequence and conti nuity to reports proposals or any multi
106. ack image at the most appropriate density level in the color modes e Use steps a to d to adjust the density a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER tab c Press the SCAN button d Press or D of the B W ADJUSTMENT IN ACS option to adjust the density level for scanning the original judged as a black image in the Auto color mode e If the density level is set to the original will be stored with the low density e If the density level is set to D the original will be stored with the high density After adjusting the density scan and store the original in the e Filing box Then check the image quality Only if the user s desired image quality is still not obtained after the density has been adjusted use the next procedure This adjustment will have an effect only on images stored in the Auto color mode VW 2 Select HIGH QUALITY from among the IMAGE QUALITY FOR BLACK options to store the black and white original in the Gray scale mode e Use steps a to d to select the IMAGE QUALITY FOR BLACK option a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER tab c Press the SCAN button d Press the HIGH QUALITY button in the IMAGE QUALITY FOR BLACK option Q Precautions after the completion of the adjustment All scanning functions are implemented with
107. adjustment 128 05 8380 Manual density adjustment center value 128 05 8381 Manual density adjustment light step value 0 to 255 2 05 8382 Manual density adjustment dark step value 05 8389 Backgraound processing offset adjustment Automatic density adjustment 05 8394 Background processing offset adjustment Manual density adjustment For further information regarding the codes refer to the Service Manual Service Handbook lt Note gt Select the code for the Custom mode option in order to adjust the value for 05 code in the Custom mode Never adjust any values for 05 code in existing original mode After adjusting the value in the Custom mode use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 20 5 Scanning specific Adjustments BY 3 When scanning the original press the COMMON SETTING button on the Control Panel Select Custom from among the original mode options Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 21 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 22 Imaging Manual Esruni02330c 2820c 2830c 3520c 3530c 4520c TOSHIBA TEC CORPORATION
108. aggies and variations in gradation As a result the photo image may look unnatural Therefore carefully perform the adjustment while checking the printouts e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 54 3 Printer specific Adjustments 3 14 2 To Adjust the Print Image Quality in the Black and White Mode Perform the adjustment in accordance with the procedures below Both the service technician and the user can use procedure 1 Only the service technician must use procedures 2 and 3 EH 1 Change the Halftone option on the printer driver For Windows This adjustment will have an effect only on Black and white mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Select Detail from among the Halftone options in the Basic tab Setting Basic Color Balance Image Attribute Custom Color Settings Resolution ES GC dpi Use Black for All Text Distinguish Thin Lines Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 55 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on Black and white mode printing Open the print dialog box Select Detail from among the Halftone options The menu to select varies according to the operating
109. al After adjusting the tint of colors copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 17 2 Copier specific Adjustments MP 4 Enter er original mode mode 05 Change the values for codes 1779 to 1798 to adjust the color density Ea to Original mode mode 05 code Subcode Recommended value EAE Ea value range sale ee Set a value larger than 128 to increase the density 0 to 255 128 Text Photo 05 1794 0 1 2 K 05 1795 0 1 2 Black Tex Photo 05 1789 0 12 Set a value smaller than 128 05 1790 0 1 2 to decrease the density Cyan Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The value for the code corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Low density area Medium density area High density area After setting the values copy and check the copy image quality Only if the vividness of R Red is still insufficient even after
110. ality If further image quality adjustment is necessary go to the next step E II P 3 Enter adjustment mode 05 Change the values for codes 604 to 606 922 1737 to 1741 1757 7795 and 7807 to 7809 to adjust the default value for the sharpness intensity Decreasing the sharpness intensity will minimize the edges of the image os Recommended OSC Color mode Original mode 05 code LS ble value range Set a value smaller Black than 128 0 to 255 28 to 127 Photo 05 1740 28 to 127 05 1741 Usercustom 05 7798 o oOo fF Text Photo 05 1757 Set a value smaller ACS Black 05 7807 than 128 0 to 255 05 7808 28 to 127 fF Text Photo 05 1737 05 1738 05 1739 Set a value smaller Full color rinte B than 128 0 to 255 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 43 2 Copier specific Adjustments The smaller the setting value is the weaker the sharpness intensity becomes The larger the setting value is the stronger the sharpness intensity becomes Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 25 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For ins
111. alue 103 100 100 75 50 25 0 25 50 75 Since 25 is assigned to the center the image quality remains the same even if the indicator is changed from 3 to 4 lt Note gt Minimizing moir and Sharpening the copy image are mutually contradictory When the adjustment is performed to minimize moir the resolution of the copy image may decrease Q Precautions after the completion of the adjustment Nothing in particular Q Remarks e Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 38 2 Copier specific Adjustments 2 9 To Copy Sharply To enhance sharpness Before the adjustment The image looks light and blurred on the copy The edges are enhanced and the copy image becomes sharper LJ Explanation Perform adjustment regarding image processing sharpness intensity in order to obtain a sharper copy image when a light or blurred original is copied QI Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used proce
112. alues for codes 7279 and 7280 to make the background lighter B Accepta ane Density ble original 05 code Recommended value mode range moske value 05 7279 Set a value larger than Set the value in increments of approximately 25 while checking the copy image until the optimum value is obtained Q Cautions after the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 75 2 Copier specific Adjustments 2 18 2 To Adjust Custom Mode Settings in Color Mode All the steps in the adjustment procedure shall be performed by the service technician i ME 71 1 Enter the setting mode 08 Change the value for the code 506 to enable the functions of the custom mode in the color mode vane 08 User mode for color mode O 0 Used Text Photo base The default adjustment value for the custom mode is preset at the one that reproduces image quality equivalent to that of the Text Photo mode in the color mode at the shipment After setting the value go to the next step i WW 2 Enter the adjustment mode 05 Adjust each setting value for the custom mode to satisfy the user s request e Select the necessary adjustments from the procedures below To make background lighter a Enter the adjustment mode 05 Increase the values for codes 7762 and 7763 to make the background lighter B Accepta aoe Density ble origina
113. annot be omitted the service technician must perform the procedure below e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 81 2 Copier specific Adjustments ED UP 2 Press the USER FUNCTIONS button on the Control Panel Then press or of OMIT BLANK PAGE ADJUSTMENT EI MI 1 G Enter the adjustment mode 05 Change the value for the code 7618 to adjust the threshold for judging the original as blank pages e The larger the setting value is the more the original tends to be judged as a blank page Acceptable 05 code Recommended value range value 05 7618 Set a value larger than 128 0 255 Set the value in increments of approximately 15 until the optimum value is obtained while checking if proper originals are judged as a blank page Q Caution after the adjustment When the threshold for judging blank pages is changed the same threshold for in the network scanning function is also changed e Originals with a small portion of small letters may be judged as a blank page Therefore adjust the value carefully while checking the copy image e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 82 2 Copier specific Adjustments 2 21 To Obtain Image in Even Density Level Original After the adjustment __ TOSHIBA COPIER DEMONSTRATION CHART B 1_ Function Automatic Control Exposure ANY DINOS 5
114. are still necessary use the next procedure i 1 4 Enter adjustment mode 05 Change the values for codes 1779 to 1798 and 7980 to 7983 to adjust the density level of each color OO Original mode iis code Subcode Recommended value ACER NII adjust value range Yellow C map 05 1783 012 Magent C map osis 012 Set a value larger than 128 to increase the density er os TextPhoto 05 1789 0 12 Set a value smaller than 128 05 1790 0 1 2 to decrease the density Cyan __ Usercustom 05 7982 0 1 2 Set the value in increments of approximately 10 while checking the copy image until the optimum value is Text Photo 05 1794 0 1 2 05 1795 0 1 2 ine obtained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 57 2 Copier specific Adjustments The value for the code corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Medium density area High density area Q Precautions after the completion of the adjustment Nothing in particular Q Remarks e Enter a value within the recommended value range mentioned in the procedures Otherwise it may cau
115. ary use the next procedure Wi Z 5 Enter adjustment mode 05 Change the values for codes 1779 to 1798 to adjust the color density aa to Originai mode Originai mode 05 code Subcode Recommended value AGEN LR value range on Eee en ee Set a value larger than 128 to increase the density 0 to 255 128 Text Photo 05 1794 0 1 2 K 05 1795 0 1 2 Black _Text Photo 05 1789 0 12 Set a value smaller than 128 05 1790 0 1 2 to decrease the density Cyan Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The value for the code corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Oo 0 Low density area Medium density area High density area e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 12 2 Copier specific Adjustments Q Precautions after the completion of the adjustment The adjustment may possibly cause offset failure particularly when the highly colored original is copied in the Photo mode Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter
116. ate on a job by job basis in order to store an image at a high compression rate for a particular job Refer to To utilize the template in order to select an appropriate compression rate corresponding to the type of original to store and the purpose of the image stored Refer to To change the default compression rate in order to have HIGH selected from among the compression rate options by default To select the compression rate on a job by job basis without utilizing the template When scanning the original press the COMMON SETTING button on the Control Panel Select HIGH from among the COMPRESS options To utilize the template Recall the template where HIGH is selected from among the compression rate options and scan the original The user may want to select a compression rate depending on the type of original or purpose of the image stored In this case 1t is recommended to utilize the template Initially select the desired compression rate in the template and recall it as necessary This facilitates changing the compression rate on a job by job basis For further information regarding the template and its use refer to the Operator s Manual for Scanning Guide and TopAccess Guide To change the default compression rate Use steps a to d to change the default compression rate a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER tab c Press the SCAN bu
117. ation As a result the photo image may look unnatural Therefore carefully perform the adjustment while checking the printouts e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 58 Before the adjustment National Use internet use will be boosted worldwide The availability of advanced lelecommanications is also expected to heal explosive growth in regions and E The launch of the Hih communications satelite will alse add a significant capability in terms of providing universal ACCES Internet Growth to 2090 3 Printer specific Adjustments 3 15 To Make the Light Colored Area Darker on the Printout After the adjustment National Use Internet use will be boosted worldwide The availability of advanced telecommunmcations ts also expected to fuel explosive growth in regions D and E The launch of the 88th communications satellite will also add significant capability in terms of providing universal access Internet Growth to 2090 tne Be Mee appa Bor ig es map op E D eel on poia er ad eee pede ee od i epee Br Ce te map mE D ang a8 well in Some norm and sou polar reponse and in SOURCE Bieber conma roar in countries fad imphrconted internet iraia darty on ell raai Eu char eg Groeth in courtes that implemerted roret irfrestucire carly on wil necessarily be slower sthoug wae derop iphidi sii widen fo sede applcedond D weer demographics atl wider to nade appicatoms tor pre
118. cdock Sire ssential prescripta danger scii your Arry jour boo bil and geadcbook Stine oscrtial proenptse rpa At cpe mauta d LS and over di coumes medias doing cs am proposte it Atere of a mwali dise ke ond ones drc coumiet molautnnes dung carefal cal with m Crerpeny deal whe es oretpoey k j rad moart Things to have for nt Things to have for an emergency Fablight hecs os by beds isan es an emergency You my be oe poer oon fir amp mhimu i WOK on L Por extn Denis Lo nor You may be oe voer own for minan Text looks black on the monitor But the hue The hue of the text 1s nearly matched with the will vary if it is printed out in the Full color black hue on the monitor mode LJ Explanation Text looks black on the monitor But if it is printed in the Full color mode with Auto selected from among the Color options all color toners C M Y and K will be used to print it depending on the application in use As a result the black hue on the printout looks different from what the user desires This problem is caused by the application specifications not by the printer Particularly the following factors may print black text using all color toners C M Y and K when a PDF file is printed out e The file of black text CMY 0 K 100 is printed on the PCL6 printer driver e Black text is treated as image data instead of text data on the file e Black text is not defined as 100 black RGB 0
119. ce Manual b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be performed and the image quality control value will be initialized After replacing any consumable remember to reset the counter corresponding to it to 0 Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables While replacing any consumable also check the slit glass in the laser optical unit and thoroughly clean it if it is soiled Q Precautions after the completion of the adjustment e The adjustment may possibly cause an increase in the amount of toner consumed scattering of the toner diminished photo images or gradations less accurate reproducibility of halftones extremely dark images decreased resolving power extremely light images faint thin lines and shorten the life of the consumables Therefore carefully perform the adjustment while checking the copy or print image e No effect of the adjustment may appear depending on the operating environment of the MFP Therefore carefully perform the adjustment while checking the copy or print image Q Remarks e The effect of the adjustment may vary depending on the usage pattern of the consumables such as the developer material and drum and the operating environment of the MFP e When replacing any consumable refer to the relevant information in the Servic
120. ce technician must use procedure 3 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 35 2 Copier specific Adjustments BE ME 7 1 Press the BASIC button on the Control Panel and select the original mode option as follows e To copy in the Full color or the Auto color mode Select the Printed image mode option e To copy in the Black mode Select the Photo mode option To have the above original mode options selected by default use the following procedures To change the default original mode on the Control Panel Use steps a to d to change default original mode a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER tab c Press the COPY button d In the ORIGINAL MODE FOR COLOR or BLACK option press the button corresponding to the desired original mode option To change the default original mode in setting mode 08 Enter setting mode 08 Change the value for code 550 or 585 to change the original mode option which is selected by default at power on e In the Black mode Value for 08 550 Default original mode at power on ss Text Photo default po Photo 3 Image smoothing Po Custom e In the Full color mode pO Text Photo default 7 Photo Photo Press the BASIC button on the Control Panel Select Custom from among the original mode options in the Black or the Ful
121. cial Paper After performing automatic calibration print and check the image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 2 1 General Adjustments Copying Printing and e Filing Output from Box EE NE G Enter adjustment mode 05 Change the values for codes 2934 to 2937 to adjust the transfer 2nd transfer roller bias output Adjust the offset voltage of transfer roller bias so as to increase the density of the image e The code to use varies according to the paper type Adjust the value for 05 code corresponding to the paper type for which you would like to improve the image quality Set the value within a range of 2 to 8 to obtain the highest density of the image Papertype type 05 code Subcode ACCEptaDIE value value range i i p 2 Tks 3 Front 05 2934 2 to 8 Sec l Sen 2 RER paper LE an i 2 Hi 3 Back 05 2935 2 to 8 Sec l Pee 2 Rested paper paper po Thks o s o e e 4 i l thick 2 iki 3 Front 05 2936 2 to 8 Seca l E 2 FR paper paper Black Thick 8 J o 4 kt i ike 2 Tks 3 Back 05 2937 2 to 8 Se l cil 2 Re paper Thick4 4 Front refers to the printed side in the simplex mode or the side that is delivered facing downwards in the duplex mode Back refers to the printed side that is delivered facing upwards
122. cing direction when the original is scanned In addition the scanning will be slowed down e Slim PDF is not suitable for the following originals It is recommended to scan them in JPEG or PDF e Originals blurred when scanned in JPEG or PDF If the original is scanned in Slim PDF the image quality may be further diminished Complicated originals such as tables or maps containing lines or small sized text e Originals where stable image quality is required such as critical documents M WE 1 When scanning the original press the SLIM PDF button on the Control Panel After adjusting the original in Slim PDF scan the original and check the scanned in image quality If the image quality adjustment in Slim PDF is necessary use the next procedure M IE 2 Adjust the image quality in Slim PDF at a user s request To reduce the blurred area of text and photos Use steps a to b to perform the adjustment a Turn the original and place it Or when scanning the original press the COMMON SETTING button on the Control Panel Change the Image Rotation option to turn the original After changing the Image Rotation option scan the original and check the scanned in image quality If further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 11 5 Scanning specific Adjustment
123. cing the File Size ccccccseceeeeeeeeeeeees 5 7 5 4 1 To Reduce the File Size by Changing the Options when Scanning the Original 5 8 5 4 2 To Reduce the File Size in Slim PDF 5 11 5 5 To Sharply Scan the Original To increase the sharpness intensity 5 13 5 6 To Scan an Original while Enhancing Black ccccecceceseeeeeeeeeeeeeeeeeees 5 15 5 7 To Scan an Original with the Desired Gradation anonnennnnonnennnenrnrennn 5 17 5 8 To Register the Original Mode Optimal for a Particular Type of Original To have Custom selected 5 19 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 General Adjustments Copying Printing and e Filing Output from Box 1 1 To Obtain a Darker Image Before the adjustment After the adjustment The output image looks light and blurred The output image looks darker and sharper Explanation When an original containing photo images or gradational images 1s printed the output image sometimes looks light and blurred Perform image quality control or automatic calibration and adjust the transfer roller bias output in order to obtain a darker and sharper image Q Procedures Perform the adjustment in accordance with the procedures below Only the service techn
124. ckground Adjustment 4 i g Saturation 4 eee 4 0 fai Ei W Ose Sharpness Filter 2 p E Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 60 3 Printer specific Adjustments This adjustment will have an effect only on Auto or Color mode printing NE 2 Open the property page of the printer driver Press the Setting button in the Image Quality tab Mark the Detail checkbox in the Color Balance tab Press the Edit button Set the value for the Low Middle density of the color you would like to adjust within a range of 1 to 4 in the Color Balance Details option This adjustment will have an effect only on printing on a Windows PCL6 or PS3 or XPS emulation printer driver This adjustment cannot be performed on a Macintosh printer driver Initially set 4 and check the printout Color Balance Detail Middle High a 0 cod ef ai bf Mak 0 4 4 Restore Defaults aea After changing the option on the printer driver print and check the print image quality If further image quality adjustments are still necessary the service technician must use the next procedure according to the image type e To adjust the color image Go to procedure 3 e To adjust the black and white image Go to procedure 4 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserv
125. d Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment Q Precautions after the completion of the adjustment If White is selected in the Twin color mode all areas other than black will not be printed White toner will not be used to print these areas e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 99 3 Printer specific Adjustments 3 24 2 To Adjust the Sharpness NE 1 Select Twin Color from among the Color options on the printer driver For Windows Open the property page of the printer driver Select Twin Color from among the Color options in the Basic tab Press the Details button Select the color to use for the area other than black from among the Color options TOSHIBA e STUDIO4520CSeries PS3 Properties a K Finishing Paper Handling Image Quality Effect Others Print Job Normal Prit EX E Original Paper Size Letter 8 172 11 M Print Paper Size Manual Scale Same as Onginal Size 2 25 400 Paper Source Auto Paper Type o E Number of Copies i Z 1 999 Onentation Tom m Profile None Portrait Landscape Save Profile Timin Color Details Restore Defaults Twin Col
126. d Gray Black and Gray Auto 7 PDFv Preview Cancel e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 48 3 Printer specific Adjustments e Image Type Line Art To make the color darker and enhance thin lines Halftone Auto or Detail To make the halftone screen high frequency Printer TOSHIBA e STUDIO4520C 0 Presets Standard HH Color Settings 1 B Color Type Color HH Halftone Auto HA Distinguish Thin Lines Toner Save Black Over Print Text and Graphics HA Pure Black and Gray Black and Gray Auto HH 7 PDFw Preview After changing the options on the printer driver print and check the print image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 49 3 Printer specific Adjustments NE 2 In procedure 1 if LineArt is selected from among the Image Quality Type options in order to adjust raster data print image or graphic data line drawing change the Sharpness option on the printer driver For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Set the value for Use Sharpness Filter within a range of 1 to 4 in the Image
127. d be the one for the drawer However in the copying mode you can set the thick paper mode to more than one drawer and copy more paper continuously with the automatic drawer change function The density level of the halftone image may differ from that of the plain paper mode after the adjustment The PM counter value increases by 2 counts for 1 sheet of thick paper Q Remarks e Enter the value mentioned in the procedures or one within the recommended value range for the adjustment Otherwise it may cause a loss in MFP performance including slowdown in the copying or printing speed e When replacing any consumable refer to the relevant information in the Service Manual and Service Handbook e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 21 1 General Adjustments Copying Printing and e Filing Output from Box 1 5 To Correct Out of Registration Colors Before the adjustment After the adjustment Paper feeding direction gt Paper feeding direction gt The text and background are misaligned or out Text is aligned with the background and a clear of registration copy print image is obtained LJ Explanation Colors of text or a thin line are sometimes printed out of alignment Perform color registration control in order to print or copy without out of registration colors LJ Procedures The service technician must perform the adjustme
128. d that this manual be fully utilized by not only the service technician but also the sales representative who also has opportunities of obtaining customer feedback on the image quality This manual helps the sales representative to study and comprehend what kind of customer requirements for image quality can be satisfied to make proposals to customers to improve image quality and to communicate the customers specific requirements with ease to the service technician In addition this manual is expected to facilitate the marketing of Toshiba MFPs to prospective customers that have a specific demand for image quality and the expansion of sales The adjustments described in this manual are all based on the requests of actual customers Meeting their specific wishes will only add to their satisfaction Please remember to read Precautions after the completion of the adjustment to which you must pay close attention after finishing the adjustment Precautions in Servicing e For adjustments to be performed by the service technician the precautions given in the Service Manual must be stringently followed The adjustments must be performed by a qualified service technician who has completed the service training course e The default listed mentioned in this manual may be different from the actual ones due to the timing of shipping firmware version But note that the recommended values and acceptable value range stated in this manual r
129. d when 2 is set 2 Intended to improve the reproducibility of photos more than the one obtained when 3 is set Equivalent to the one obtained when the default 3 nu Intermediate value 0 is set 4 Intended to improve the reproducibility of text more J than the one obtained when 3 is set 5 Intended to improve the reproducibility of text more Sha than the one obtained when 4 is set P For the User custom mode refer to step 1 in 2 8 To Eliminate Moir e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 45 2 Copier specific Adjustments Q Precautions after the completion of the adjustment When an original containing text is copied the adjustment may possibly cause the text to become blurred on the copy Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 46 Before the adjustment Our Top Five Romantic Destinations Whether you re shopping for your perfect honeymoon destination or just looking for a special getaway our top destination picks for romance offer beauty relaxation and plenty of activities for just the two of you Our members chose these five ci
130. ded to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 and 2 Only the service technician must use procedures 3 to 5 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 42 LI o LED a 2 2 Copier specific Adjustments Press the BASIC button on the Control Panel and select the original mode option as follows e To copy in the Full color or the Auto color mode Select the Printed image mode option e To copy in the Black mode Select the Photo mode option When copying a photo image in the Full color mode select the Photo mode option from among the original mode options To have the above original mode options selected by default refer to procedure 1 in 2 8 To Eliminate Moire After changing the default original mode option copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure Press the IMAGE button on the Control Panel Press the SHARPNESS button Press the SOFT button to soften the copy image After softening the copy image copy and check the copy image qu
131. dure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 to 3 Only the service technician must use procedure 4 mP 1 mP 2 W 3 Press the BASIC button on the Control Panel Press the DB button to increase the copy density After increasing the copy density copy and check the copy image quality With the copy density set to the maximum if further image quality adjustments are still necessary use the next procedure Perform color balance adjustment or RGB adjustment to adjust the tint of the colors in general e Use steps a through d to perform the adjustment a Press the IMAGE button on the Control Panel b Press the COLOR BALANCE button to adjust the color balance by changing the amount of toner c Press the button to enhance the tint of the color or the button to decrease it After selecting the color balance by changing the amount of toner C M Y and K press the DETAIL button The tint of the color can be adjusted according to density area low medium or high density area d Press the ENTER button After adjusting the tint of the colors copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure Press the BASIC button on the Control Panel Select TEXT from among the original mode options To have TEXT selected from among the original mode opt
132. dure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 and 2 Only the service technician must use procedure 3 HE 1 Press the IMAGE button on the Control Panel Press the ONE TOUCH ADJUSTMENT button Press the CLEAR button After selecting the Clear option copy and check the copy image quality When the copy image quality with the Clear option selected 1s insufficient cancel the Clear option and use the next procedure The one touch adjustment can be canceled by pressing the ONE TOUCH ADJUSTMENT button again E ET M WZ 2 Press the IMAGE button on the Control Panel Press the SHARPNESS button Press the SHARP button to increase the sharpness intensity After increasing the sharpness intensity copy and check the copy image quality If further image quality adjustment is necessary go to the next step e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 39 2 Copier specific Adjustments LIN 3 Enter adjustment mode 05 Change the values for codes 604 to 606 922 1737 to 1741 1757 7795 and 7807 to 7809 to adjust the default value for the sharpness intensity Increasing the sharpness intensity will enhance the edges of the image Recommended ETN Color mode Original mode 05 code value ble value range Teat 05 605 605 Set a value larger Black than 128
133. e e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 66 2 Copier specific Adjustments 2 16 3 To Adjust the Boundary between Black and Colors other than Black Both the service technician and the user can use procedures 1 and 2 Only the service technician must use procedure 3 Note that the adjustment results of steps 1 and 2 will be applied only to the Red and Black mode The adjustment result of step 3 will be applied to both of the Red and Black mode and the Twin Color mode enabling selection of other colors HE 1 Press the IMAGE button on the Control Panel Press the TWIN COLOR COPY button Press the RED amp BLACK button to enter the Red and black mode Use procedure 2 ME 2 Press the ADJUST button Press the button or the gt button for Range Adjustment in order to adjust the boundary between red and black e E RED The black area decreases and the red area increases e gt BLACK The black area increases and the red area decreases After adjusting the boundary copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure i 3 Enter adjustment mode 05 Change the values for codes 7641 7642 to adjust the boundary between black and colors other than black As the set value is increased the area of CHANGE BLACK TO will become larg
134. e tint of red e Press the button to enhance yellow and the button to decrease magenta in order to decrease the tint of red e In the Twin color selectable mode Press the button to enhance the tint of the color or the button to decrease it Press the DETAIL button The tint of the color can be adjusted according to the density area low medium or high density area Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 65 2 Copier specific Adjustments 2 16 2 To Adjust the Reproducibility of Black in the Red and Black Mode The service technician must perform all adjustments HE 1 Enter adjustment mode 05 Set 1 for code 1761 to change the setting which is intended to improve the reproducibility of black areas If you are making a twin color copy in the red and black mode red may be blended into the black area In this case switching the value for this code reduces a blend of red in the black area on the copy Value for 05 1761 Reproducibility of black in the red and black mode for a twin color copy Intended to improve the reproducibility of black Q Precautions after the completion of the adjustment Setting 1 for code 05 1761 may not provide a clear boundary between red and black Therefore carefully perform the adjustment while checking the copy imag
135. e The adjustment result of step 3 will be applied to both of the Red and Black mode and the Twin Color mode enabling selection of other colors Only if further adjustment is still desired for the reproducibility of background should this adjustment be performed e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 68 2 Copier specific Adjustments QI Procedures The service technician must perform all adjustments EI MID 1 Enter adjustment mode 05 Change the value for the code 3009 or 362 to adjust the reproducibility of the background when using the RADF 05 code Recommended value ANGEL Default value range Full color 05 361 Set a value larger than 3 to increase the background density Set a value smaller than 2 to decrease the Black 05 362 background density Set the value in increments of approximately 1 while checking the copy image until the optimum value is obtained When changing the value from the default value for the first time it is recommended to set 2 The table below shows you the correlation between the value and image quality Reproductivity Advantage of image quality of background Default equivalent to the one obtained when an original placed on the original glass is scanned Lighter background 1s reproduced than the one obtained when 2 is set Lighter background 1s reproduced than the one obtained when the default value 1s
136. e Manual and Service Handbook e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 7 1 General Adjustments Copying Printing and e Filing Output from Box 1 2 2 To Adjust the Density on a Photo or Gradational Image If the density is decreased If the density is increased Let s Gardening Let s Gardening There s something about gardens and There s something about gardens and gardening that s good for the soul ee An original containing halftones such as a An original containing halftones such as a photo image becomes lighter photo image becomes darker Q Explanation A particular color can be intensely darker or lighter depending on the type of paper or original used Adjust the intensity of the laser in order to adjust the density on the photo or gradational image halftones and obtain the image quality the user desires Q Procedures The service technician must perform the adjustment in accordance with the procedures below e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 8 1 General Adjustments Copying Printing and e Filing Output from Box Ei 1 Enter setting mode 08 Change the value to adjust the image density of halftones during the copying printing operation e Use steps a to c to perform the adjustment a Enter setting mode 08 Change the values for codes 2525 to 2525 to correct the intensi
137. e PDF file For further information regarding the Output Preview refer to an appropriate manual or the Help menu of Acrobat 7 0 Professional e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 87 3 Printer specific Adjustments 1 Open a PDF file on Acrobat 7 0 Professional 2 Select Output Preview in the Advanced menu 3 Select a profile from among the Simulation Profile options Select the profile to use for the Monitor Simulation in order to print RGB data and the one to use for the Ink Simulation in order to print CMYK data from among the Simulation Profile options 4 Move the cursor over the data to check the color definition Then the color calibration will be displayed in percentage on Separations iS Adobe Acrobat Professional adel 2 Phone Book adh TA Fi Dic TE War Help ia ei CE L Fa ae E Search me Create POF ES Comment amp ae z 1 Send for Review a Secure A Sign Eo JR 100 men I 20 rcr Emergency Preparedness With minimal preparation you can lessen the course anu obtain a une mess ni danger to yourself your family your home ian and property in the case of a natural disaster ur Preview Ea or other emergency Study this page obtain i the items you
138. e printouts Especially text and lines on the background of a gradational image and text in the Format AutoShape dialog box with transparency selected on Microsoft Office may be blurred e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 38 3 Printer specific Adjustments 3 12 To Make Low resolution Data Look Finer To soften an image Print data CAWINDOWS Desktop tosstnd150 jpg Microsoft Internet Explorer Fie Edt View Favorites Took Help Back GD 9 Al GSeach Favotes Hay Ghe Gm Before the adjustment Unadjusted settings A smoother softer image is obtained Q Explanation When a low resolution image is printed the edges may be jagged Decrease the sharpness intensity in order to eliminate the jaggies from the print image The sharpness adjustment will have an effect particularly on photo images such as BMP GIF JPEG and TIFF e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 39 3 Printer specific Adjustments LJ Procedures Both the service technician and the user can perform all adjustments NE 1 Change the Sharpness option on the printer driver For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Uncheck the Use Sharpness Filter checkbox in t
139. e softest image while setting 255 provides the sharpest image Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 25 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 25 sharper the value of each step of the indicator will also be increased by 25 sharper After increasing the sharpness intensity copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 2 2 Copier specific Adjustments H 4 Press the BASIC button on the Control Panel Select TEXT from among the original mode options To have TEXT selected from among the original mode options by default refer to procedure 1 in 2 8 To Eliminate Moir After selecting the Text mode copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure 5 Enter adjustment mode 05 Decrease the values for codes 648 649 925 7102 and 7103 to make the text darker improving faint text or thin lines value value range Text Photo 05 648 05 649
140. e technician and the user can use procedures 1 and 4 Only the service technician must use procedures 2 and 3 M W 1 Press the AUTO button on the Control Panel to select the automatic density adjustment M YW 2 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the LIGHT button to decrease the background density After decreasing the background density copy and check the image quality With the background density set to the minimum if further image quality adjustments are still necessary the service technician must use the next procedure M W 3 Enter adjustment mode 05 Change the values for codes 1688 to 1692 and 1698 to 1702 to adjust the background density Adjustment Original mode 05 code Recommended value OR BENE Default value range Automatic offsetting adjustment for background processing Set a value smaller than 128 0 to 255 128 Manual offsetting adjustment for 05 1700 background processing 05 1701 05 1702 The value for automatic offsetting adjustment for background processing will be applied only if the automatic copy density mode is selected On the other hand the value for manual offsetting adjustment for background processing will be applied only if the manual copy density mode is selected Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The value for the code
141. e the table below only as a reference Position of Adjustment No of stamps No of red characters EE value Approx 10 judged as color Approx 100 TE Approx 5 judged as color Approx 60 2 150 E DRE RE aes Pp 4 40 Approx 1 judged ascolor_ Approx 10 5 Approx 1 2 judged as color Approx 6 o 6 1 20 Approx 1 2 judged as black 4ormore Position of indicator 0 in the table above denotes the left end of the indicator the original is judged as black most and 6 denotes the right end of the indicator the original is judged as color most Adjustment value This refers to the judgment threshold for the Auto Color mode The adjustment value of the code in step 2 below will be added to this value The diameter of the standard stamp is approx from 8 mm to 12 mm In this field the number of the stamps on the chart and its judgment result are described The size of the standard red character is approx 10 5 pt In this field the number of the red characters entered and its judgment result are described After specifying the original size and copy size copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 62 2 Copier specific Adjustments W 2 Enter adjustment mode 05
142. e the value to obtain the copy density that the user desires Papertype 05 code Recommended value Vaiuelrange Default value range Thick 05 1613 Thick2 05 1614 Thick3 05 1615 S O 0 to 255 Set the value in increments of approximately 4 while checking the copy image until the optimum value is SPECIALI 05 1617 SPECIAL2 05 1618 S Thick 4 05 1620 S obtained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 56 2 Copier specific Adjustments The table below shows you the acceptable paper weight for the paper type Paper type Acceptable paper weight Thick 1 106 to 163 g m Max 60 Ib Cover Thick 2 164 to 209 g m Max 110 Ib Index Thick 3 210 to 256 g m Max 140 Ib Index Thick 4 257 to 280 m Max 150 Ib Index Use the recommended OHP transparencies and special paper After adjusting the amount of toner used copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure GW 3 Perform color balance adjustment or RGB adjustment to adjust the tint of the colors in general For further information regarding the adjustment procedures refer to procedure 4 in 2 2 To Closely Match the Color Balance of the Original After adjusting the tint of colors copy and check the copy image quality If further image quality adjustments
143. eature Sets Color settings 4 gt Brightness or Saturation 10 3 x 10 4 x 10 5x Color Settings 2 gt Color Balance Brightness or Saturation Initially change the value by 4 steps while checking the printouts until the optimum value is obtained Printer TOSHIBA e STUDIO4520C HH Ex Presets Standard HH Color Settings 2 HH Color Balance Magenta Image Attribute Sharpness 7 PDF Y Preview Cancel After changing the option on the printer driver print and check the print image quality If further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 10 3 Printer specific Adjustments PCL6 Mac This adjustment will have an effect only on Auto or Color mode printing i 3 Enter adjustment mode 05 Change the values for codes 8042 to 8065 to adjust the color density e Adjust the value for 05 code corresponding to the print option to be applied PDL and Halftone Ex When printing on Windows is performed with the following options selected PCL6 Image Quality Type General Halftone Auto gt Text area Graphic and image area Change the values of Smooth for Y 05 8058 M 05 8059 C 05 0860 and K 05 8061 When printing on Macintosh is performed with the following option selected Image Type Photograph Halfto
144. ect code 396 Press the START button e Image quality control will be forcibly performed to correct the color balance and copy density After exercising image quality control copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure EE I D 2 Perform automatic calibration to correct variations in the copy density For further information regarding the adjustment procedures refer to procedure 2 in 2 2 To Closely Match the Color Balance of the Original ADMIN is selected from among the CALIBRATION DISPLAY LEVEL options by default In other words an administrator is authorized to operate automatic calibration But the USER option can also be selected to allow the user to operate it Refer to the User Functions Guide for further information regarding how to select the CALIBRATION DISPLAY LEVEL option After performing automatic calibration copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 14 2 Copier specific Adjustments HI I 3 Perform color balance adjustment or RGB adjustment to adjust the tint of colors in general For further information regarding the adjustment procedures refer to procedure 4 in 2 2 To Closely Match the Color Balance of the Original After adjusting the ti
145. ed 3 61 3 Printer specific Adjustments Mac This adjustment will have an effect only on Auto or Color mode printing Wf 3 Enter adjustment mode 05 Increase the values for codes 8042 to 8065 to increase the Low Middle density of the color e Adjust the value for 05 code corresponding to the print option to be applied PDL and Halftone Ex When printing on Windows is performed with the following options selected PCL6 Image Quality Type General Halftone Auto gt Text area graphic area and image area Change the values for Y 05 8058 M 05 8059 C 05 8060 and K 05 8061 e When printing on Macintosh is performed with the following option selected Image Type Photograph Halftone Smooth gt Change the values for Y 05 8050 M 05 8051 C 05 8052 and K 05 8053 Printing on Macintosh is performed in PostScript See the PS3 row in the table below Soir se PDL 05 code Subcode Recommended value AOSTA E adjust value range Y Yellow a M Magenta sees We Set a value larger than 128 C yam Tr RCE 2777 Detail 05 8065 01 pg Smooth 05 8053 0 1 Back Testes or Set the value in increments of approximately 20 while checking the printouts until the optimum value is obtained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 62 3 Printer specific Adjustments Halftone refers to how halftones are printed
146. ed text except the white text in black and make it more legible on the printout This adjustment will have an effect only on printing on a Windows PCL6 or PS3 or XPS emulation printer driver This adjustment cannot be performed on a Macintosh printer driver LJ Procedures Both the service technician and the user can perform all adjustments e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 74 3 Printer specific Adjustments E 1 Open the property page of the printer driver Press the Setting button in the Image Quality tab Mark the Use Black for All Text checkbox in the Basic tab This adjustment will be effective only if a file created on a general application such as Microsoft Office is printed in PostScript PS3 It may not be effective if a file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress is printed or a PDF file created on these applications is printed Setting Basic Color Balance Image Attribute Custom Color Settings Benea O d Halftone Resolution Auto 8 BOOdpi iw Use Black for All Text Distinguish Thin Lines W Pure Black Apply to Ww Pure Gray Auto Apply to W Black Over Print Text amp Graphic Restore Defaults Cancel Help Q Precautions after the completion of the adjustment Nothing in particular LJ Remarks Not all colored text may be p
147. effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Uncheck the Use Sharpness Filter checkbox in the Image Attribute tab To make a softer image check its checkbox and then set the value within a range of 1 to 4 e Setting 4 provides the smoothest softest image Setting Basic Color Balance Image Attribute Contrast t T p a m Brightness 4 El Background Adjustment 4 SE E e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 37 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Set the value for Sharpness within a range of 1 to 4 e Setting 4 provides the smoothest softest print image The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 4 gt Sharpness 10 3 x 10 4 x 10 5x Color Settings 2 gt Sharpness Printer TOSHIBA e STUDIO4520C HH o Presets Standard HH Color Settings 2 H Color Balance Cyan Magenta Preview i Cancel Q Precautions after the completion of the adjustment The adjustment provides a soft or blurred image in general Therefore carefully perform the adjustment while checking th
148. eing aware that the image quality of all future printouts will be changed when performing printing in the Color mode e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 86 3 Printer specific Adjustments Q Precautions after the completion of the adjustment The adjustment may possibly change the hue of the text and the image such as a photo image on the printout Therefore carefully perform the adjustment while checking the printouts Q Remarks To check the definition of black text When creating a PDF file 100 black may not be defined as follows depending on the application settings 100 black indicates the following values e RGB data RGB 0 e CMYK data CMY 0 K 100 As a result text which should be defined as 100 black on the application is not defined as 100 black on the saved PDF file A small percent of color data is defined Eventually all color toners C M Y and K will be used to print it If printing is performed on a PCL6 printer driver print data are captured as RGB data If black text is defined as 100 black CMY 0 K 100 for CMYK data on a PDF file it will not be converted into 100 black RGB 0 for RGB data on Acrobat and it will be printed in colors It is recommended to print CMYK data on a PS3 printer driver instead of a PCL6 printer driver Use Output Preview on Acrobat 7 0 Professional to examine the color definition on th
149. emain the same Icons Purpose of the Imaging Manual The following icons used in this manual denote the following T PCL6 Scan to Box Copy to Box e Copy An adjustment having an effect on copying in the Black mode excluding the Image smoothing mode e Printer An adjustment having an effect on Black and White mode printing The adjustment will be effective if Black and White 1s selected from among the Color options on the Windows printer driver or if Mono is selected from among the Color Type options on the Macintosh print dialog e Scan An adjustment having an effect on scanning in the Black mode e Copy An adjustment having an effect on copying in the Image smoothing mode in the Black mode e Scan An adjustment having an effect on scanning in the Gray scale mode e Copy An adjustment having an effect on copying in the Full color mode e Printer An adjustment having an effect on full color printing The adjustment will be effective if Auto or Color is selected from among the Color options on the Windows printer driver or if Auto or Color is selected from among the Color Type options on the Macintosh print dialog e Scan An adjustment having an effect on scanning in the Full color mode e Copy An adjustment having an effect on copying in the Auto color mode e Scan An adjustment having an effect on scanning in the Auto color mode An adjustment having an effect on printing with t
150. ent a Press the IMAGE button on the Control Panel b Press the COLOR BALANCE button c Press the button to enhance the tint of BLACK Press the DETAIL button The tint of the color can be adjusted according to the density area low medium or high density area d Press the ENTER button After adjusting the tint of black copy and check the copy image quality If further image quality adjustment is necessary even after the tint of black was set to the maximum the service technician must perform the next step e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 48 2 Copier specific Adjustments NI W 3 Enter adjustment mode 05 Change the values for codes 7811 7812 or 7816 to adjust the black logos Recommended Accepta Color mode Original mode 05 code lue ble value range Text Photo 05 7811 Full color 05 7812 Set a value larger Auto col than 4 _ 05 7816 _ Set the value in increments of approximately 1 while checking the copy image until the optimum value is obtained For the User custom mode refer to step 1 in 2 8 To Eliminate Moir After adjusting the level of black headline text copy and check the copy image quality If further image quality adjustment is necessary the service technician must perform the next step NW 4 Enter adjustment mode 05 Change the values for codes 1794 1795 or 7983 to adj
151. ent of B Blue Adjust M Magenta and C Cyan e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 9 1 General Adjustments Copying Printing and e Filing Output from Box b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be forcibly performed and the image density will be corrected lt Note gt The above corrections will be effective immediately after the values for codes 08 2525 to 2527 are changed After changing the values for codes 08 2525 to 2527 remember to perform image quality control for code 05 396 c After completing image quality control print and check the print image quality Repeatedly use steps a to c as necessary to select a proper value If further image quality adjustments are still necessary use the next procedure E i A 2 Check the life of the consumables particularly the drum developer material and transfer belt unit and replace them if necessary e When replacing any consumable use steps a to b a Enter the PM support mode Reset the counter corresponding to the replaced consumable to 0 For further information regarding the PM support mode refer to the Service Handbook b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be performed and the image quality control value will be initialized After replacing any cons
152. ently Used Copy Settings To Use Custom Mode 2 71 2 18 1 To Adjust Custom Mode Settings in Black Mode 2 71 2 18 2 To Adjust Custom Mode Settings in Color Mode 2 76 To Copy While Erasing Shadow Outside of Image 0 nnnnannannennennennnnnnnnn 2 80 To Avoid Copying Blank Page of Original Scanned with RADF 2 81 To Obtain Image in Even Density Level 2 83 3 Printer specific Adjustments 3 1 3 2 3 3 3 4 3 5 3 6 3 3 8 3 9 3 10 3 11 3 12 3 13 3 14 3 15 3 16 3 17 3 18 3 19 3 20 3 21 3 22 To Maintain a Steady Color Balance 3 1 To Maintain a Steady Color Balance on Thick Paper or Special Paper 3 3 To Obtain the Desired Color Balance ccccccccccceceeeeeeeeeeeeeeeeeeneeeeeeeeees 3 5 To Closely Match the Color Balance on the Monitor 3 13 To Maintain a Uniform Gray Hue To maintain Consistency in Gray among Text Photos and Graphics 3 16 To Use Only the Black Toner to Reproduce Gray Areas To use only the black toner to reproduce black and white photos or gradational images 3 19 To Easily Adjust the Overall Brightness cccccceecceeeceeeeeeeaeeeeeeeeeeseeees 3 23 To Adjust the Overall Saturation cccccccccccseceeeceeeceeeseeeseeeseeseeeseeesaeees 3 26 To Easily Adjust the Overall Contrast ccccccccceecceeeceeeeeeeeeeeeeeseeeeeeees 3 30 To Obtain a Sharper Print
153. er On the other hand if the value is decreased the area of SECOND COLOR will become larger Mode to adjust 05 code eon Default Red and black mode 05 7641 Twin color Red and black mode 0 1 2 0 to 255 128 RED selected in Twin color selectable 05 7642 mode The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted High density area Medium density area Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 67 2 Copier specific Adjustments 2 17 To Adjust the Image Quality Scanned from the RADF Before the adjustment The reproducibility of background may vary The gap in the reproducibility of background depending on how to scan an original is reduced Q Explanation The reproducibility of the background may vary depending on the type of original or whether the scanning is of an original placed on the original glass or one fed from the RADF MR 3018 Adjust the reproducibility of background while scanning an original fed from the RADF in order to minimize the gap in the reproducibility of the background using either method of how to scan an original Note that the adjustment results of steps 1 and 2 will be applied only to the Red and Black mod
154. er ground depends on climatic trends Relocation to higher ground depends on climatic trends Light colored thin lines and text are dotted on The light colored thin lines and text are clearly the printout printed out Q Explanation When light colored thin lines and text are printed they may be dotted on the printout Change the options on the printer driver adjust the color balance or gamma curve balance in order to print them out clearly QI Procedures The procedure to use varies depending on whether to adjust the print image quality in the Color mode or in the Black and White mode Refer to the procedure corresponding to the user s particular request The item to set varies depending on the type of data to adjust Select the effective option according to the data format to adjust such as a print image raster data text font and line drawing graphic data e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 46 3 Printer specific Adjustments 3 14 1 To Adjust the Print Image Quality in the Color Mode Perform the adjustment in accordance with the procedures below Both the service technician and the user can use procedures 1 2 and 3 Only the service technician must use procedures 4 and 5 ME 1 Change the Image Quality Type and Halftone options For Windows PCL6 This adjustment will have an effect only on Auto or Color mode printing
155. er specific Adjustments 2 16 To Adjust the Twin Color Copy Image Quality Before the adjustment Ursa Major Operations Conglomerate Corp Substance number 1 Zinc water soluble compounds 69 Chromium VI compounds 227 230 Lead and its compounds 243 Barium and its water soluble compounds 283 _ ji Hydrogen fluoride and its water soluble salts 304 Boron and its compounds 346 Molybdenum and its compounds Substance name When a twin color copy is made in the red and black mode red may be blended in a part of black area LJ Explanation After the adjustment Ursa Major Operations Conglomerate Corp Substance number 1 Zinc water soluble compounds 69 Chromium VI compounds 227 230 Lead and its compounds 243 _ Barium and its water soluble compounds 283 Hydrogen fluoride and its water soluble sais 304 Boron and its compounds 346 Molybdenum and its compounds Substance name The blend of undesired colors in the black area is reduced When a twin color copy is made red may be blended into the black area or colors other than black on the twin color copy may look different from what the user desires Adjust the tint of the colors the reproducibility of black in the Red and black mode or the boundary between black and colors other than black in order to reduce a blend of undesired colors into the black area or adjust the tint of colors other than black
156. ercitation ullam compor nderits im volupate velite illum dolore feu fugiat null parariatur Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupat Ut enim ad minim veniam quis nostrud exercitation ullam corpor nderits im volupate velite illum dolore feu fugiat null parartatur pel labore et dolore magna aliquam erat volupat Ut enim ad minim veniam quis nostrud exercitation passin a namia im volupate velita illumi we feu lugai null parariatur Monnumy ad anger inciunt ut labore et dolore magna aliquam eral volupat Ut enim ad minim veniam nostrud exercitation ullam 93 94 95 96 97 98 99 After the adjustment E Hanc ego cum tene sententiam Adipiscing consecterur sed diam Auam multa vitiose and non distriv t indical on ingenion Sumde enim bon et malute puew utra Monnumy jusmod tempor inciunt ut labore et dolore i magna aliquam erat volupat Ut enim ad niim veniam quis nostrud exercitation ullam corpor nderits im volupate velite illum dolore feu fugiat null parariatur Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupat Ut enim ad minim veniam quis nostrud exercilation ullam corpor mderits im volupate velite illum dolore feu fugiat null parariatur j labore et dolore magna aliquam erat volupat Ut enim ad minim veniam quis nostrud exercitation ulam compor nderits im volupate velite illum parariatur Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam era
157. erities on its surface On the other hand the set value should be decreased when you print on thin paper After setting the value print and check the image quality If further image quality adjustment is necessary go to step b e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 13 1 General Adjustments Copying Printing and e Filing Output from Box b Enter the setting mode 08 Change the value of the codes 5293 to 5296 to adjust fusing temperature in the recycled paper mode In this step fusing temperature is adjusted to print the high density area of the image most clearly Paper 08 Subco type code de Noel aD e STUDIO4520c 3 to 8 0 to 16 4530c 5 Normal temp Others 4 rs Color Recycled 08 5293 eater paper e STUDIO4520c Black 3 to 8 0 to 16 4530c 7 Low temp P Gor TT tess Others 6 Others 6 NT JO Nom oo Ff esrunosxe e STUDI04520c ac 0 to 16 4530c 5 Normal temp En Others 4 un Color Recycled 08 5294 eater Po paper e STUDI04520c 0to16 4530c 7 Low temp Normaltemp sid ti S S temp Black 0 to 16 Normal temp E Color Recycled 08 5295 Black Low temp nos Color Normaltemp P aa S S temp Black Normal temp Er Le Pressure Color Recycled 08 5296 roller Low temp paper gt a 0 to 16 Low temp Color e After adjusting the fusing temperature perform automatic calibration Refer
158. et the range correction operation in the manual density mode fixed e The code to be set differs depending on the original mode Text Photo or Text Select the 05 code for the target original mode and change the value to 0 Original mode 05 code Recommended Acceptable De value value range Text Photo 05 7286 05 7287 Explanation for setting values Setting Range correction value operation Fixed EEE a Q Precautions after the completion of the adjustment The adjustment may possibly cause text handwritten with a pencil or light text to become illegible on the copy Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 25 2 Copier specific Adjustments 2 6 2 To Adjust the Copy Image Quality in the Full Color Mode You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the servic
159. form the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 63 3 Printer specific Adjustments PCL6 Mac This adjustment will have an effect only on Black and white mode printing E 4 Increase the values for codes 7315 to 7320 to adjust the gamma curve balance and increase the Low Medium density on Black and White mode printing e Adjust the value for 05 code corresponding to the print option to be applied PDL and Halftone Printing on Macintosh is performed in PostScript See the PS3 row in the table below value range _ 05 7315 0 1 2 05 7316 0 1 2 PCL6 i EE ec tu 2010055 128 05 7318 0 1 2 XPS 05 7319 0 1 2 05 7320 0 1 2 Set the value in increments of approximately 10 while checking the printouts until the optimum value is obtained The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted 0 Low density area Medium density area High density area lt Note gt This adjustment changes the values set in the MFP Therefore it will affect every user who uses the printer by connecting it to the MFP After the adjustment the values changed will be a
160. form the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment Q Precautions after the completion of the adjustment Nothing in particular LJ Remarks The saturation adjustment does not affect black or gray areas on the printout e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 29 3 Printer specific Adjustments 3 9 To Easily Adjust the Overall Contrast Before the adjustment The image is printed with a natural contrast Default printing After the adjustment After the adjustment The contrast is decreased The contrast is increased Explanation The contrast of the print image can be easily adjusted by changing the Contrast option on the printer driver e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 30 3 Printer specific Adjustments QI Procedures Both the service technician and the user can perform all adjustments NE 1 Change the Contrast option on the printer driver e Select the desired value for contrast on a scale of 4 Lowest to 4 Highest For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Change the Contrast option in the Image Att
161. ftones are printed Two options are available Smooth which is intended to improve the reproducibility of gradation and Detail which is intended to print halftones in detail with the high frequency The halftone option to be applied in printing can be selected from among the Halftone options on the printer driver Windows or in the print dialog box Macintosh Auto is selected from among the Apply to options by default It is intended to automatically select Smooth or Detail in accordance with Apply to of the halftone option the selected Color and Image Quality Type options as described by the table below Color and Image Quality Type options Apply to Auto Color Black and Twin General Photograph White Color Graphic line etc Image etc The subcode varies depending on the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Low density area Medium density area High density area lt Note gt This adjustment changes the values set in the MFP Therefore it will affect every user who uses the printer by connecting it to the MFP After the adjustment the values changed will be applied to all printouts for the Image Quality Type and Halftone options For instance if the value for 05 code for Smooth is changed it will be applied to printing performed with Halftone Smooth or Auto selecte
162. further information regarding the procedures refer to procedure 2 in 1 1 To Obtain a Darker Image After replacing any consumable remember to reset the counter by making it correspond to 0 Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables While replacing any consumable also check the slit glass in the laser optical unit and thoroughly clean it if it is soiled Q Precautions after the completion of the adjustment After the fusing temperature was adjusted in step 2 above printing interruption may occur due to improper fusing temperature Therefore adjust the value carefully If you want to change the conditions for printing interruption change the value of the 08 code 5409 abnormality process starting temperature setting recycled paper For the setting values refer to the Service Manual Q Remarks e Enter the value mentioned in the procedures or one within the recommended value range for the adjustment Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e The desired image quality may not be obtained depending on the type of paper used In this case use the recommended paper and then print or adjust the image quality e If an image problem occurs when you use the other paper type temporarily set the values of the 08 codes 29
163. ge the values for codes 1779 to 1798 to adjust the color density SUING Original mode 05 code Subcode Recommended value ORAE adjust value range me a ME a mH H Set a value larger than 128 to increase the density 0 to 255 128 Text Photo 05 1794 o1 K 05 1795 Black TextPhoto 05 1789 o1 Set a value smaller than 128 05 1790 to decrease the density Cyan Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The value for the code corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted The background highlight density will vary if the low or medium density area is mainly adjusted Setting 2 for the subcode allows you to adjust the high density area But it will not affect the background density Therefore never change the value for the high density area Area where the density is adjusted Low density area Medium density area After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved
164. ground color is also scanned Therefore no clear contrast is made between the background and image Perform background adjustment in order to clearly scan such originals This adjustment will have an effect on the image scanned in all color modes However the adjustment procedure 3 in adjustment mode 05 cannot be performed in the Gray scale mode and the Black mode QI Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedure 1 and 2 Only the service technician must use procedure 3 1 Set the density adjustment method to the automatic adjustment by pressing the AUTO button of the EXPOSURE option E UE A 2 When scanning the original press the COMMON SETTING button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the q button to decrease the background density After decreasing the background density scan the original and check the scanned in image quality With the background density set to the minimum if further image quality adjustments are still necessary the service technician must use
165. h any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Only the service technician must use procedures 1 and 5 Both the service technician and the user can use procedures 2 to 4 Procedure 3 Hue adjustment cannot be selected concurrently with procedure 4 Color balance RGB adjustments Performing either of the adjustments and then another adjustment clears what has been previously adjusted For example using procedure 3 and then procedure 4 clears the adjusted hue using procedure 3 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 10 2 Copier specific Adjustments E m GY Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be forcibly performed to correct the color balance and copy density After exercising image quality control use procedure 2 E 0 WY 2 Perform automatic calibration to correct variations in the copy density ADMIN is selected from among the CALIBRATION DISPLAY LEVEL options by default In other words an administrator is authorized to operate automatic calibration But the USER op
166. have an effect only on Auto or Color mode printing IE 5 Enter adjustment mode 05 Increase the values for codes 8110 to 8113 to perform fine adjustment and increase the sharpness intensity e Adjust the value for 05 code corresponding to the print option to be applied Color mode and Image quality type Color Image Recommend Aeceptan 05 code Subcode e value mode quality type ed value range General 05 8110 0 1 2 Auto Photograph 05 8111 0 1 2 Set a value Color 05 8112 0 1 2 larger than 128 05 8113 0 1 2 o t Set the value in increments of approximately 5 while checking the printouts until the optimum value is obtained lt Hint gt This adjustment affects on the following areas according to Image Quality Type e General Photograph and Presentation Only raster data print image e Line Art Only thin lines small text and raster data lt Note gt This adjustment changes the values set in the MFP Therefore it will affect every user who uses the printer by connecting it to the MFP After the adjustment the values changed will be applied to all printouts for the Sharpness option Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment Q Precautions after the completion of the adjustment The adjustment may possibly cause outlined edges incorrect color of thin lines j
167. he adjustment while checking the copy image e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 51 2 Copier specific Adjustments 2 12 To Sharply Contrast the Hues of Highlighters on the Copy Before the adjustment E Hanc ego cum tene sententiam Adipiscing consecterur sed diam Auam multa vitiose and non distriv t indical on ingenion Sumde anim bon et malute puew ura Monnumy jusmod tempor inciunt ut labore et dolore magna aliquam erat volupat Ut enim ad veniam quis nostrud exercitation ullam corpor nderits im volupate velite illum dolore feu fugiat null parariatur Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupat Ut enim ad minim veniam quis nostrud exercitation ullam corpor nderits im volupate velite illum dolore feu fugiat null parariabur f Le gor inciunt ut labore et dolore magna aaa erat volupat ut enim ad minim veniam quis nostrud exercitation ulam corpor ndents im volupate velila lum parariaturMonnuny ejusmod tempor inciunt ut labore et dolore magna aliquam eral volupat Ut enim ad minim veniam quis nostrud exercitation ullan 93 94 95 96 97 98 99 E Hanc ego cum tene sententiam Adipiscing consecterur sed diam Auam multa vitiose and non distriw t indical on ingenion Sumde enim bon et malute puew uira Moennumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupat Ut enim ad minim veniam quis nostrud ex
168. he Image Attribute tab To make a smoother image check its checkbox and then set the value within a range of 1 to 4 e Setting 4 provides the smoothest softest print image Setting Basic Color Balance Image Attribute Contrast Brightness 1 4 El Background Adjustment 4 SE e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 40 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Set the value for Sharpness within a range of 1 to 4 e Setting 4 provides the smoothest softest print image The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 4 gt Sharpness 10 3 x 10 4 x 10 5x Color Settings 2 gt Sharpness Printer TOSHIBA e STUDIO4520C HH B Presets Standard HH Color Settings 2 B Color Balance Cyan Magenta 7 PDF Preview C Cancel Q Precautions after the completion of the adjustment The adjustment provides a soft or blurred image in general Therefore carefully perform the adjustment while checking the printouts Especially text and lines on the background of a gradational image and text in the Format AutoShape dialog box with transparency selected on Microsoft Office may be blurred
169. he Windows PCL6 emulation printer driver An adjustment having an effect on printing with the Windows PS3 emulation printer driver An adjustment having an effect on printing with the Windows PSX emulation printer driver An adjustment having effect on printing with the Macintosh printer driver An adjustment having an effect on an image stored in the e Filing box by the scanning functions including Scan to Box Scan to File and Scan to E mail An adjustment having an effect on an image stored in the e Filing box by the copying functions Copy to Box An adjustment having an effect on an image stored in the e Filing box by the printing functions Print to Box An adjustment having an effect on an image stored in the e Filing box by the Fax and Internet Fax functions including Received Fax to Box and Received Internet Fax to Box Table of Contents 1 General Adjustments Copying Printing and e Filing Output from Box 1 1 1 2 1 3 1 4 1 5 TO ODAN a Darker Mage 2 2 nn ane donnera cr had dress 1 1 To Adjust the Density of an Entire Copy cccccccceccseeeeeeeeeeeeeeenseteeeneeees 1 5 1 2 1 To Adjust the Density on a Solid Colored Image oonnnnnanonnonnennennennnnnennsnnnne 1 5 1 2 2 To Adjust the Density on a Photo or Gradational Image 1 8 To Achieve the Image Quality Most Suitable for the Paper Used To eliminate blur and graininess from an image 1 11
170. he hue as shown below For instance press the button at R Red Then the tint of R Red is closely matched with that of Y Yellow Press the button at R Red Then the tint of R Red will be closely matched with that of M Magenta R 2 L d Enter the ENTER button After adjusting the hue copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 11 2 Copier specific Adjustments II WZ 4 Perform color balance adjustment or RGB adjustment to adjust the tint of colors in general e Use steps a through d to perform the adjustment a Press the IMAGE button on the Control Panel b Press the COLOR BALANCE button to adjust the color balance by changing the amount of toner C M Y and K or the RGB ADJUSTMENT button to adjust the color balance by changing the intensity of R G and B c Press the button to enhance the tint of the color or the button to decrease it After selecting the color balance by changing the amount of toner C M Y and K press the DETAIL button The tint of the color can be adjusted according to density area low medium or high density area d Press the ENTER button After adjusting the tint of the colors copy and check the copy image quality If further image quality adjustments are still necess
171. he value to adjust the density of a solid area during the copying printing operation e Use steps a to c to perform the adjustment a Enter setting mode 08 Change the values for codes 2513 to 2515 to adjust the developer bias output value e Decreasing the value will make the solid colored area become lighter decrease the amount of toner on the solid colored area On the other hand increasing the value will make the solid colored area become darker increase the amount of toner on the area The value to use varies according to the paper type and color to adjust Check the code to use in accordance with the following Code list and refer to the Value list to select a proper value Code Paper type Color to Golor to adjust _ 08 code Y yellow M ET Plain paper C M 08 2513 K a b Full col and _ yellow Thick r meonta _ 08 2514 C eleven _ K black 08 2515 o Value Value Correction value for developer bias Density of the solid colored output area 0 Value automatically set 100 Light Value automatically set 80 O 2 Value automatically set 60 S 3 Value automatically set 40 o C o S O 4 Value automatically set 20 O S 5 Value automaticallyset J O S 6 Value automatically set 20 Default 7 Value automatically set 40 J bo oo 8 Value automatically set 60 9 Value automatically set 80 10 Value automatically set 100
172. here the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Low density area Medium density area High density area lt Note gt This adjustment changes the values set in the MFP Therefore it will affect every user who uses the printer by connecting it to the MFP After the adjustment the values changed will be applied to all printouts for the Image Quality Type and Halftone options For instance if the value for 05 code for PCL6 and Smooth is changed it will be applied to printing performed with PCL6 and Halftone Smooth or Auto selected Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 12 3 Printer specific Adjustments 3 4 To Closely Match the Color Balance on the Monitor As viewed on the monitor me BY Before the adjustment 7 oe The color balance as viewed on the monitor The color balance of the printout is closely looks different from the printout matched with the one on the monitor Explanation The color balance on the printouts is initially programmed to provide the maximum color saturatio
173. ice technician must use procedure 4 Only if the vividness of R Red is still insufficient even after procedures 1 to 4 have been used the service technician must use procedure 5 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 16 M 1 mB 2 mZ 3 2 Copier specific Adjustments Press the IMAGE button on the Control Panel Press the ONE TOUCH ADJUSTMENT button Press the VIVID button After selecting the Vivid option copy and check the copy image quality When the copy image quality with the Vivid option is insufficient cancel the Vivid option and use the next procedure The one touch adjustment can be canceled by pressing the ONE TOUCH ADJUSTMENT button again Perform saturation adjustment to adjust the overall saturation e Use steps a through d to perform the adjustment a Press the IMAGE button on the Control Panel b Press the SATURATION button c Press the button to increase the saturation of the copy image d Press the ENTER button After adjusting the saturation copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure Perform color balance adjustment or RGB adjustment to adjust the tint of colors in general For further information regarding the adjustment procedures refer to procedure 4 in 2 2 To Closely Match the Color Balance of the Origin
174. ician must use procedures 1 3 and 4 Both the service technician and the user can use procedure 2 BW 1 Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be forcibly performed to correct variations in density After exercising image quality control use the next procedure EE M 1 2 Perform automatic calibration to correct variations in image density ADMIN is selected from among the CALIBRATION DISPLAY LEVEL options by default In other words an administrator is authorized to operate automatic calibration But USER can also be selected to allow the user to operate it Refer to the User Functions Guide for further information regarding how to select the CALIBRATION DISPLAY LEVEL option e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 1 1 General Adjustments Copying Printing and e Filing Output from Box To adjust the copy image quality Use steps a through 1 to perform automatic calibration a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the ADMIN tab c Enter the 6 to 10 digit administrator password Press the ENTER button d Press the GENERAL button ce Press the CALIBRATION button f Press the COPY button g Press the CALIBRATION button to print out the test chart h Place the printed test chart on the original glass
175. if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 and 3 Only the service technician must use procedures 2 and 4 MM P 1 Press the IMAGE button on the Control Panel Press the BACKGROUND ADJUSTMENT button Press the DARK button to darken the background After increasing the background density copy and check the copy image quality With the background density set to the maximum if further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 20 2 Copier specific Adjustments HI I 2 Enter adjustment mode 05 Change the values for codes 1688 to 1692 1698 to 1702 and 7759 to 7761 to adjust the density level of the background The highlighted area will become highly visible if the background density is increased Adjustment Original mode 05 code Recommended value Acceptable Default value rable Default Text Photo 05 1688 Automatic offsetting 05 1689 adjustment for 05 1690 background processing 05 1691 05 1692 Text Photo 05 1698 Manual offsetting pool ee Gia oes l to increase the density adjustment for 05 1700 background
176. image until the optimum value is obtained The value for the code corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode The value adjusted for the background density is shared in the Full color mode with the Printed image mode selected and in the Black mode with the Photo mode selected Therefore adjusting the copy image quality in either of the modes affects that in the other mode Perform copy image quality adjustment in the mode that is used for the adjustment while checking that in the other mode e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 33 2 Copier specific Adjustments lt Note gt Making the highlighted area more visible or increasing the background density and eliminating the background color or decreasing the background density are mutually contradictory If the density of the background color is decreased the highlighted area may become less visible After adjusting the background density copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure i W 3 Press the BASIC button on the Control Panel Select TEXT from among the original mode options To have TEXT selected from among the original mode options by default refer to procedure 1 in 2 8 To Eliminate Moir Q Precautio
177. in order to minimize the difference in the color balance and closely match the color balance of the image stored with that of the original Please remember that the e Filing functions are available only on the Windows platform and not on the Macintosh or UNIX platform LJ Procedures Both the service technician and the user can perform all adjustments Print to Box PCL5c This adjustment will have an effect only on the image stored in the Auto mode or the Color mode ME 1 Open the property page of the printer driver Select General from among the Image Quality Type options in the Image Quality tab General allows the image to be stored in colors which are closely matched with the original compared to the other Image Quality Type options TOSHIBA e STUDIO4520CSeries PS3 Properties Basic Finishing Paper Handling Image Quality Effect Others Print Job Normal Bi El 2 Image Quality Type Profile Mame General ener ad MSIE es Line Art 7 1 gt Advanced Graphics Text Profile None r Le Save Profile Setting Restore Defaults Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION Alll rights reserved 4 8 4 e Filing specific Adjustments 4 5 To Scan and Print while Minimizing Moir Before the adjustment After the adjustment Yj When
178. inter driver Select Text Graphic amp Image from among the Apply to options lt Hint gt Text on the Web page may be raster data image created in GIF or JPEG format Black and white data created in PDF format by scanning the original are also raster data If the Pure Black checkbox is marked on the printer driver Auto is selected from among the Apply to options by default Raster data are handled as an image which 1s intended to improve the texture and the 4 color toners C M Y and K will be used to print black If Text Graphic amp Image is selected from among the Apply to options only the K toner will be used to print black on raster data For Windows This adjustment will have an effect only on Black and white mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Mark the Pure Black checkbox in the Basic tab Select Text Graphic amp Image from among the Apply to options Setting Basic Color Balance Image Attribute Custom Color Settings Halftone Resolution Use Black for All Text Distinguish Thin Lines M Pure Black Apply to Ww Pure Gray Apply to W Black Over Print Text amp Graphic Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 80 3 Printer specific Adjustments For Macintosh Mac This adjustment
179. ion on a scale of 4 Palest to 4 Brightest For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Change the Saturation option in the Image Attribute tab Setting Basic Color Balance Image Attribute Contrast m C len Brightness 4 RE Background Adjustment 4 m E Saturation 4 te 4 el W Use Sharpness Filter i Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 27 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Change the Saturation option The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 4 gt Saturation 10 3 x 10 4 x 10 5x Color Settings 2 gt Saturation Printer TOSHIBA e STUDIO4520C Presets Standard B Color Settings 2 HH Color Balance Cyan Magenta Image Attribute Sharpness Brightness After changing the option on the printer driver print and check the print image quality Only if the saturation of R Red is still insufficient even after all the above procedures have been used must the ser
180. ion to be applied Paper type and Halftone Printing on Macintosh is performed in PostScript See the PS3 row in the table below e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 89 3 Printer specific Adjustments Acceptable 05 code Subcode Recommended value value range 05 8071 dB 4 6 80 Set aval e Ismaller than 0 to 255 05 8070 0 1 2 3 4 5 6 7 8 9 the default Plain paper 7 Set the value in increments of approximately 30 while checking the printouts until the optimum value is obtained Q Precautions after the completion of the adjustment The adjustment may possibly cause dark areas such as shades on photo images to look unnaturally faint Therefore carefully perform the adjustment while checking the printouts e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 90 3 Printer specific Adjustments 3 23 To Register the Image Quality Adjusted Corresponding to a Preference To use the Custom Color Settings LJ Explanation The option to obtain the desired print image quality can be registered as Custom Color Settings This adjustment will have an effect only on printing on a Windows PCL6 or PS3 or XPS emulation printer driver This adjustment cannot be performed on a Macintosh printer driver QI Procedures Both the service technician and the user can perform all adjustments As an examp
181. ions by default refer to procedure 1 in 2 8 To Eliminate Moir After selecting the Text or Map mode copy and check the copy image quality If further image quality adjustments are still necessary the service technician must use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 50 2 Copier specific Adjustments NI 4 Enter adjustment mode 05 Change the values for codes 1779 1780 1784 1785 1789 1790 1794 1795 or 7980 to 7983 to adjust the density level of each color See Original mode 05 code Subcode ABT MUM Ne adjust value y Text Photo 05 1779 0 1 2 ae 05 1780 012 05 7980 0 1 2 RE 05 1784 0 1 2 a Text Set a value larger than 128 Text osmo Text o 05 1795 05 7983 0 1 2 Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Medium density area High density area Q Precautions after the completion of the adjustment The adjustment may possibly cause a dark colored area such as in a photo to become blurred on the copy Also it may also cause offset failure grained images and degradation in gradation Therefore carefully perform t
182. ise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 6 2 Copier specific Adjustments 2 1 3 To Adjust the Copy Image Quality in the Auto Color Mode You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 and 2 Only the service technician must use procedure 3 and 4 F C P 2 3 Press the BASIC button on the Control Panel Press the D button to increase the copy density After increasing the copy density copy and check the copy image quality With the copy density set to the maximum if further image quality adjustments are still necessary use the next procedure Press the IMAGE button on the Control Panel Press the SHARPNESS button Press the SHARP button to increase the sharpness intensity After increasing the sharpness intensity copy and check the copy image quality With the sharpness intensity set to the maximum if furthe
183. isplaying on the computer monitor Depending on the type of original this CMYK to RGB conversion may cause out of registration colors or graininess on the printout If the image 1s displayed on the monitor and further edited on the PC the image quality may be diminished To store a full color original and display it on the computer monitor while minimizing image degradation scan and store it in the e Filing box Scan to Box This allows it to be stored as RGB data Please remember that the e Filing functions are available only on the Windows platform and not on the Macintosh or UNIX platform LJ Procedures Both the service technician and the user can perform all adjustments This adjustment will have an effect only on the image stored in the Full color mode including the Auto color mode NE 1 Scan the full color image and store it in the e Filing box For further information regarding how to scan and store images refer to the Operator s Manual for e Filing Guide and Scanning Guide Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 14 4 e Filing specific Adjustments 4 8 To Finely Print Color Images Scanned and Stored To print images stored through Scan to Box Before the adjustment After the adjustment Scan to Box Scan to Box RGB data RGB data e Filing box e Filing box
184. istinguish Thin Lines W Pure Black Apply to i Pure Gray Text Graphic amp Image Apply to Text amp Graphic Text Graphic amp Image Black K toner Black K toner Black K toner Black K toner Black K toner Color CMYK toner Black K toner Black K toner Color CMYK toner Color CMYK toner Color CMYK toner Black K toner The above table shows the sample combinations of when the Image Quality Type is General When Auto is selected the areas to be applied are automatically selected according to the Image Quality Type e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 20 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Select Black amp Gray Text Graphic amp Image from among the Pure Black and Gray options The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 2 gt Pure Black and Gray 10 3 x 10 4 x 10 5x Color Settings 1 gt Pure Black and Gray Printer TOSHIBA e STUDIO4S20C Presets Standard Color Settings 1 Color Type Halftone Distinguish Thin Lines Toner Save Image Type General Black Over Print Text and Graphics Q Precautions after the completion of the adjustment The adj
185. ity area But it will not affect the light text or graphic images Therefore never change the value for the low density area Area where the density is adjusted a l Medium density area High density area Q Precautions after the completion of the adjustment The adjustment may possibly cause an increase in the amount of toner used moir blurred text small dark text blurred diminished photo images or gradational images less accurate reproducibility of halftones Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 4 2 Copier specific Adjustments 2 1 2 To Adjust the Copy Image Quality in the Full Color Mode The setting value for the Full color mode shall be applied also when the original is judged as the full color image in the Auto color mode You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure
186. ive Document or Backup feature cannot be directly opened on the PC or printed out For further information regarding Archive Document and Backup refer to the e Filing Guide and Backup Restore Utility e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 12 4 e Filing specific Adjustments 4 7 To Store an Image Suitable for Displaying on the Monitor or Image Editing After the adjustment Copy to Box Scan to Box Print data RGB data e Filing box e Filing box Downloaded Downloaded Converted into RGB RGB data Client PC Client PC Stored and Stored and edited Le edited Displayed on the Displayed on the computer monitor computer monitor RGB data RGB data When the original is stored by Copy to Box it The original is stored as RGB data by Scan to will be converted into RGB data while being Box This can avoid unnecessary data downloaded to a PC This may diminish the conversion As a result the image quality can image quality be maintained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 13 4 e Filing specific Adjustments Q Explanation Initially a full color original is copied and stored in the e Filing box Copy to Box as CMYK data or optimized for printing on paper But while it is being downloaded to a client PC using the File Downloader or the TWAIN driver it is converted into RGB data or optimized for d
187. l 05 code Recommended value mode range Megs value 05 7762 Set a value larger than Set the value in increments of approximately 25 while checking the copy image until the optimum value is obtained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 76 2 Copier specific Adjustments To copy while eliminating the background color to adjust the reference value for the background density adjustment This adjustment is effective when you do not copy the dark color of the background of an original a Enter the adjustment mode 05 Change the values for codes 7777 and 7778 to make the range correction operation fixed e The code to be set differs depending on the density mode Select the 05 code for the target original mode and change the value to 0 Original Recommend Acceptable Density mode 05 code range mode ed value baii 05 7777 Explanation for setting values value operation 0 Fixed 7 To increase the sharpness intensity This adjustment is effective when you want to copy light text thin lines or illustrations more clearly a Enter the adjustment mode 05 Change the value for the code 7795 to adjust the default value for the sharpness intensity Accepta Color mode Original mode 05 code Recommended ble value range value Set a value larger Full color User custom 05 7795 than 128 0 to 255 128 129 to 228
188. l color mode If the CUSTOM button is not displayed in the original mode option change the values for the following codes to enable the Custom mode option In the Black mode Enter setting mode 08 Set 1 for code 508 In the Full color mode Enter setting mode 08 Set 1 for code 506 After changing the default original mode option copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 36 2 Copier specific Adjustments EE MD 2 Press the IMAGE button on the Control Panel Press the SHARPNESS button Press the SOFT button to soften the copy image After softening the copy image copy and check the copy image quality If further image quality adjustments is necessary go to the next step 3 Enter adjustment mode 05 Change the values for codes 604 to 606 922 1737 to 1741 1757 7795 and 7807 to 7809 to adjust the default value for the sharpness intensity Decreasing the sharpness intensity will minimize moire Recommended AUCUNE Color mode Original mode 05 code le ble value range Set a value smaller Black than 128 0 to 255 128 28 to 127 PT Text Photo 05 1737 LL Photo 05 1737 05 1738 05 1739 Set a value smaller Full color rinted image than 128 0 to 255 05 1740 ip 137 05 1741 Usercustom 05 7798
189. l should be performed according to use of the MFP The MFP is installed in a place where the temperature and humidity vary widely Set 1 value x 5 R H for code 08 570 to increase the frequency of image quality control in response to a change in humidity mage quality control will be performed when the relative humidity changes in accordance with the specified difference from the previous image quality control If the difference in the relative humidity exceeds the specified value image quality control is performed first Then a copy or print job will be performed Value for 08 570 Difference in relative humidity l 5 R H 10 R H default e After setting the value for code 08 570 forcibly perform image quality control as follows Enter adjustment mode 05 Select code 396 Press the START button e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 17 1 General Adjustments Copying Printing and e Filing Output from Box To Have Uniform Variations in the Image Quality after Return from the Auto Power Save Mode Change the value of the 08 code 571 to change the conditions for starting image quality control shorten the period of time the MFP is left unused after the MFP was recovered from the auto power save mode so that the image quality control will be easily performed This adjustment will improve the image quality but only if the sleep mode
190. l volupat Ut enim ad minim veniam Quis nostrud exercitation wlan o3 94 95 96 97 98 99 E Hanc ego cum tene sententiam Adipiscing consecterur sed diam Auam multa vitiose and non distriw t indical on ingenion Sumde enim bon et malute puew uira Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupat Ut nim ad minim veniam quis nostrud exercitation ullam compor nderits im volupate velite illum dolore feu fugiat null parariatur Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam erat volupal Ut enim ad minim veniam quis nostrud exercilation ullam corpor nderits im volupate velite illum dolore tou du sa parariatur nod 18 incum ut labore et dolore magna aa erat volupat Ut enim ad minim veniam quis nostrud exercitation ulam compor nderits im volupate velite illum parariatur Monnumy ejusmod tempor inciunt ut labore et dolore magna aliquam eral volupat Ut enim ad minim veniam quis nestud exercitation ullam 93 94 95 96 97 98 99 The hues of highlighters are not accurately The areas marked with 2 different colored reproduced The areas marked with 2 different highlighters are accurately reproduced colored highlighters are reproduced in the and distinguishable on the copy same hue They are indistinguishable Explanation When an original containing text or areas marked with highlighters is copied their hues may sometimes not be accurately reproduced on the copy The inks
191. le of using Customer Color Settings if Presentation is selected as the base type from among the Image Quality Type options the procedure below is to set a larger value for the Middle density of the color in the Color Balance Details option and register the name of Draft agenda IE 1 Open the property page of the printer driver in the Printers and Faxes folder Press the Setting button in the Image Quality tab Change the options in the Basic Color Balance and Image Attribute tabs in order to obtain the desired print image quality Ex Mark the Detail checkbox in the Color Balance tab Press the Edit button Set the value for the Middle density of the color in the Color Balance Details option Setting Basic Color Balance Image Attribute All Colors Color Balance Detail Each Color Middle Cyan m 4 4 Magenta a 4 4 ea Yellow bo 4 4 E Black H 4 4 Restore Defaults Restore Defaults Cancel OK Cancel Help After setting the values use the procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 91 3 Printer specific Adjustments M 2 Register the name for what has been specified in procedure 1 in the Basic tab in the Setting option e Use steps a to c to register the name a Mark the Save Current setting as checkbox in the Custom Color Settings option b Enter an o
192. lity adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 57 3 Printer specific Adjustments Mac This adjustment will have an effect only on Black and white mode printing E 3 Enter adjustment mode 05 Increase the value for code 8118 to perform fine adjustment and increase the sharpness intensity e Adjust the value for 05 code corresponding to the print option to be applied PDL and Color mode Printing on Macintosh is performed in PostScript See the PS3 row in the table below PDL Color mode 05 code Sub code Recommended aOR Default value value range Black and Set a value lager than Subcode Original _ 0 Text Set the value in increments of approximately 5 while checking the printouts until the optimum value is obtained lt Note gt This adjustment changes the values set in the MFP Therefore it will affect every user who uses the printer by connecting it to the MFP After the adjustment the values changed will be applied to all printouts for the Sharpness option Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment Q Precautions after the completion of the adjustment The adjustment may possibly cause outlined edges jaggies and variations in grad
193. lity more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedure 1 Only the service technician must use procedure 2 EE ET G When scanning the original press the COMMON SETTING button on the Control Panel Press the button to increase the sharpness intensity After increasing the sharpness intensity scan the original and check the scanned in image quality With the sharpness intensity set to the maximum if further image quality adjustments are still necessary the service technician must use the next procedure BL M I 2 Enter adjustment mode 05 Change the values for codes 1086 to 1088 and 840 to 843 to adjust the sharpness intensity Color mode Color mode Original mode 05 code Recommended value meceptanle Default value range Black Pp Text 05 1086 Set a value larger than 128 0 to 255 128 Grayscale 05 843 Setting 0 provides the softest image while setting 255 provides the sharpest image Q Precautions after the completion of the adjustment The adjustment may possibly cause moir In addition when text and thin lines in a light colored background are scanned the background around the text or line may be eliminated Therefore carefully perform the adjustment while checking the scanned in image
194. lity such as the printout Therefore perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment Q Precautions after the completion of the adjustment The adjustment may possibly cause offset failure particularly when the highly colored original is copied in the Photo mode Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 19 2 Copier specific Adjustments 2 5 To Make the Pale Area of the Original Look Darker and Sharper To improve the highlight reproducibility Before the adjustment After the adjustment The splashing area highlight 1s blurred A clear copy image of the splashing area is obtained Q Explanation Perform the copy density adjustment and background adjustment in order to make the pale area highlight of the original look darker and sharper on the copy Q Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But
195. lored image Therefore carefully perform the adjustment while checking the scanned in image Q Remarks When scanning the original use the following steps to change the default indicator position in the background adjustment option which is displayed on the Control Panel a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER tab c Press the SCAN button d Press the Next button twice to display the screen to change the default values in the Full color mode and the Auto color mode e Select the default background density in the BACKGROUND ADJUSTMENT option e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 4 5 Scanning specific Adjustments 5 3 To Clearly Scan and Print an Original in Black and White To improve gradation and reduce graininess Before the adjustment After the adjustment If the original is scanned in the Black mode The halftones of the scanned in image are the halftones may become blurred in black clearly printed out LJ Explanation If an original is scanned in the Black mode a difference in the density level of the halftones cannot be accurately scanned As a result it may become blurred in black or grained Scan a black and white original in the Gray scale mode in order to scan and print it out in black and white more clearly LJ Procedures Both the service technician and the u
196. lution of 200 dpi select a higher resolution 300 dpi 400 dpi or 600 dpi After changing the resolution scan the original and check the scanned in image quality If further image quality adjustments are still necessary use procedure 1 3 Enter the setting mode 08 Change the value for the code 8304 to change the JPEG compression ratio 08 code Subcode Recommended Acceptable ratio value range value Set a value smaller poo than 128 for higher compression ratio Set a value larger than 128 for lower compression ratio Q Precautions after the completion of the adjustment e The adjustment of the compression rate or resolution may possibly increase the size of the file to be stored Therefore carefully perform the adjustment while checking the scanned in image quality The table below shows you the correlation between a resolution and file size The ratio of the file size may vary depending on the type of original Therefore use the table below just for your reference The file size in a resolution of 200 dpi is 1 200 dpi 300 dpi Approx x 2 400 dpi Approx x 3 600 dpi Approx x 8 e If the resolution selected in procedure 2 is too high moir may possibly occur in the scanned in image Therefore carefully adjust the resolution while checking the scanned in image Q Remarks Use the following steps to change the default compression rate and resolution options a Press the USER FUNCTIONS button
197. ment After the adjustment A clear image quality most suitable for a type of paper used is obtained The image looks grained depending on the type of paper LJ Explanation The image sometimes looks slightly blurred or grained on the copy or printout depending on the type of paper used Adjust the transfer roller bias output and the fuser temperature in order to achieve the image quality most suitable for the paper used QI Procedures All the steps in the adjustment must be performed by the service technician The procedure to be followed differs depending on the purpose as follows e To adjust halftone image Go to step 1 e To adjust images on the high density area only when recycled paper is used Go to step BE 1 MI 1 1 Enter adjustment mode 05 Change the values for codes 2934 to 3937 to adjust the transfer 2nd transfer roller bias output Adjust the offset voltage of transfer roller bias so as to optimize the halftones e The code to use varies according to the paper type Adjust the value for 05 code corresponding to the paper type for which you would like to improve the image quality Set the value within a range of 2 to 8 to optimize the halftones e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 11 1 General Adjustments Copying Printing and e Filing Output from Box Papertype type 05 code Subcode Recommended Acceptable value val
198. ments of approximately 10 while checking the printouts until the optimum value is obtained The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted 0 Low density area Medium density area High density area lt Note gt This adjustment changes the values set in the MFP Therefore it will affect every user who uses the printer by connecting it to the MFP After the adjustment the values changed will be applied to all printouts for the Halftone option For instance 1f the value for 05 code for PCL and Detail is changed it will be applied to printing performed with PCL6 and Halftone Detail or Auto selected Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment e When Mono is selected from among the Color options and Auto default is selected from among the Halftone options Detail of the Halftone options is applied to text and graphics illustrations and Smooth is applied to raster data images Therefore particular attention 1s required since the adjustment may have a different impact according to the patterns of the image to be printed After increasing the density print and check the print image quality If further image qua
199. mmended value pO Default value range 05 1075 Full color 05 1076 0 to 4 05 1077 Setting 0 provides the lightest black while setting 4 the darkest Q Precautions after the completion of the adjustment The adjustment may possibly provide the extremely dark background Therefore carefully perform the adjustment while checking the scanned in image e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 16 5 Scanning specific Adjustments 5 7 To Scan an Original with the Desired Gradation Before the adjustment DEMONSTRATION ue Photo Mode The image 1s scanned with natural gradation Default scanning After the adjustment After the adjustment DEMONSTRATION Photo Mode Gradation is decreased Gradation is increased LJ Explanation When an original is scanned in the Black mode or the Gray scale mode changing the scan density according to density area low medium or high density area allows a user to adjust the reproducibility of halftones gradation Adjust the gamma curve balance in order to change the gradation depending on the type of original or at a user s request This adjustment will have an effect only on the image scanned in the Black mode or the Gray scale mode e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 17 5 Scanning specific Adjustments QI Proced
200. mprove the resolving power will be applied to text from among the Halftone options Presentation is intended to improve to the reproducibility of vivid colors It is suitable for printing presentation materials and graphics which require sharp contrast images The color balance this option provides does not match the one on the monitor because priority is given to printing in highly vivid colors If Presentation is selected Smooth which is intended to improve the reproducibility of gradations will be applied to graphics and images while Detail which is intended to improve the resolving power will be applied to text from among the Halftone options Line Art is intended to reproduce thin lines clearly without jaggies visible on the printout It is suitable for printing out line drawings The color reproduction this option provides is the same as the one the Presentation option provides But if LineArt is selected a special operation is provided to reproduce thin lines more clearly If Line Art is selected Detail which 1s intended to print halftones in detail with the high frequency will be applied to graphics images and text from among the Halftone options After changing the option on the printer driver print and check the print image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION
201. n within the range of colors reproducible in printing In general colors which can be reproduced vary depending on whether they are reproduced on the printout or on the monitor or depending on whether they are reproduced in ink or with the light Consequently the color balance on the printout cannot be perfectly matched with the one on the monitor Change the Image Quality Type option in order to closely match the color balance on the printout with the one on the monitor at a user s request This adjustment will be effective in closely matching the color balance on the printout with the one on the monitor if the sRGB is selected as a color space Therefore remember that it may not be matched with the color balance on the monitor which does not support sRGB or if a color space other than sRGB is selected On commercially available monitors sRGB 1s not selected as a color space by default e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 13 3 Printer specific Adjustments Q Procedures Both the service technician and the user can perform all adjustments ME 1 Select Photograph from among the Image Quality Type options This adjustment will be effective only if a file created on a general application such as Microsoft Office is printed in PostScript PS3 XPS and Macintosh It may not be effective if a file created on a graphic application e g Illustrator o
202. nal mode Text Photo Text Photo Printed image Photo or Gray scale in order to clearly scan a particular type of original other types of original may not be clearly scanned In this case add the original mode option adjusted for a particular type of original as Custom User custom mode To have Custom selected add the value adjusted for 05 code in Custom mode to the one in reference original mode Select reference original mode for Custom from among the original mode options To have Custom in the Black mode select the existing original mode option as reference original mode To have Custom in the Full color mode including the Auto color mode selected select the existing original mode or e document mode option where the value has been adjusted to identify whiteout areas as reference original mode This adjustment will have an effect only on the image scanned in the Black mode or the Full color mode including the Auto color mode QI Procedures Perform the adjustment in accordance with the procedures below Only the service technician must use procedures 1 and 2 Both the service technician and the user can use procedure 3 BY 1 Enter setting mode 08 Change the value for code 580 or 590 to select reference original mode for Custom mode from among the original mode options e Select the original mode option which is most likely to be matched with the image quality the user desires F
203. ne Smooth gt Change the values for Y 05 8050 M 05 8051 C 05 8052 and K 05 8053 Printing on Macintosh is performed in PostScript See the PS3 row in the table below or ie PDL 05 code Subcode Recommended value PEOTI adjust value range Y Yellow M Magenta Woe neue Set a value larger than 128 C Cyan as K Black Set the value in increments of approximately 20 while checking the printouts until the optimum value is obtained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 11 3 Printer specific Adjustments Halftone refers to how halftones are printed Two options are available Smooth which is intended to improve the reproducibility of gradation and Detail which is intended to print halftones in details with the high frequency The halftone option to be applied in printing can be selected from among the Halftone options on the printer driver Windows or in the print dialog box Macintosh Auto is selected from among the Apply to options by default It 1s intended to automatically select Smooth or Detail in accordance with Apply to of the halftone option the selected Color and Image Quality Type options as described in the table below Color and Image Quality Type options Apply to Auto Color Black and Twin General Photograph White Color Photograph etc The subcode varies according to the area w
204. ned with RADF Before the adjustment After the adjustment Excursions Excursions When the original is scanned with the RADF The blank pages are omitted blank pages included in the original are also copied LJ Explanation When the original is scanned with the RADF blank pages included in the original are also copied To copy while omitting the blank pages automatically the Blank Omit Pages function must be set and its threshold for judging if the page is blank or not must be adjusted However colored originals with no text or images are not omitted even this adjustment was performed because they cannot be detected as blank pages with this function Target originals e The back side of an original with dark images on its front side the dark images can be seen through the back side or an original with light color e An original with only 3 letters in 10 5 pt an original that is omitted as a blank page with the default setting QI Procedures You can start with any of the steps However it is recommended to perform the steps in order as listed below Both the service technician and the user can use step 1 and 2 Only the service technician can use step 3 E On I C Press the EDIT tab on the touch panel and then press the OMIT BLANK PAGE button Then press the OK button to enable the Omit Blank Page function After the setting copy and check the image If there is any page other than colored pages that c
205. ng system Refer to the table below and select the menu Printer Features gt Printing Modes gt Toner Save 10 3 x 10 4 x 10 5x Color Settings 1 gt Toner Save Printer TOSHIBA e STUDIO4520C HH o Presets Standard H Color Settings 1 Color Type Halftone Vi Distinguish Thin Lines Image Type General HH Black Over Print Text and Graphics HH Pure Black and Gray Black and Gray Auto HH PDF Preview Cancel Q Precautions after the completion of the adjustment The adjustment may possibly provide the image density lower than the user desires when printing is performed in the toner save mode Therefore carefully perform the adjustment while checking the printouts Q Remarks The print density in the toner save mode can also be adjusted For further information regarding the adjustment procedures refer to 3 18 To Adjust the Image Density in the Toner Save Mode e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 70 3 Printer specific Adjustments 3 18 To Adjust the Image Density in the Toner Save Mode Before the adjustment After the adjustment Sales Contest Sales Contest bw and powdery sand Wy A rystal d waters wl by le 1 Grand prize trip for two to the Cayman Islands Grand prize trip for two to the Cayman Islands The image density is too dark even when The image density in the toner save m
206. nging the Options when Scanning the Original in order to reduce the file size without changing the file format Refer to To Reduce the File Size in Slim PDF in order to give a higher priority to the file size reduction than the image quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 7 5 Scanning specific Adjustments 5 4 1 To Reduce the File Size by Changing the Options when Scanning the Original You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use this procedure However step 5 in the procedure must be performed only by the service technician EA 1 L 2 iU G When scanning the original press the COMMON SETTING button on the Control Panel Select a lower resolution in the resolution option 200 dpi is selected from among the resolution options by default Select a lower resolution option 100 dpi or 150 dpi to reduce the file size This adjustment will have an effect on an image scanned in all color modes Full color Gray scale Black and Auto color After changing
207. ns after the completion of the adjustment The adjustment may possibly cause the highlighted area to become less visible on the copy Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 34 2 Copier specific Adjustments 2 8 To Eliminate Moir Before the adjustment After the adjustment sms Moir occurs on the photo image Moir is eliminated and a clear copy image is obtained Q Explanation When an original containing photo images or gradational images halftones 1s copied moir sometimes occurs on the copy Perform adjustment regarding image processing sharpness intensity in order to obtain a clear copy image while eliminating moire Q Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 and 2 Only the servi
208. nt in accordance with the procedure below 1 Make sure that no out of registration colors are visible on an original 2 Check the direction in which colors are misaligned This adjustment is intended to correct misaligned colors due to differences between the paper feeding speed and rotating speed of the transfer belt Therefore it will be effective only if colors are misaligned in the paper feeding direction or the secondary scanning direction This adjustment cannot improve misaligned colors in the direction perpendicular to paper feeding or primary scanning or in the secondary scanning direction periodically partially at regular intervals Refer to Troubleshooting for the Image 1 Color deviation in the Service Manual 3 Enter adjustment mode 05 and print out the test print pattern to correct out of registration colors a Enter adjustment mode 05 Select code 4719 Press the START button e Registration control will be forcibly performed b Enter code 104 corresponding to a desired test print pattern Press the FAX button e Paper is fed from the drawer to print out a test print pattern Test print pattern 104 Test print pattern for identifying A3 LD 7 out of registration colors Jot down the paper feeding direction on the printed test print pattern beforehand This facilitates identifying out of registration colors in the subsequent adjustment Use only the second page of the test print pattern
209. nt mode 05 Change the values for codes 1630 to 1633 to adjust the maximum color density of text Color to adjust 05 code Recommended value AGED NEO Default value range Y M Set a value larger than 5 to increase the density C 0 to 10 5 Set a value smaller than 5 to K decrease the density Set the value in increment of 1 while checking the copy image until the optimum value is obtained After adjusting the maximum color density of the text copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure I W 5 Enter adjustment mode 05 Change the values for codes 1725 and 7841 to adjust the level of reproducibility in the Text Photo mode or the User custom mode value Eee Text Photo 05 1725 Set a value smaller than Sins 05 7841 7 Set the value in increment of 1 while checking the copy image until the optimum value is obtained First set 3 for this code and check the copy image If further image quality improvements are still necessary set 2 If even further improvements are still necessary set 1 for this code Remember that if a value larger than 3 is set the edges of the image are enhanced attaching importance to the reproducibility of text The table below shows you the correlation between the value and image quality Default Intermediate l Intended to improve the reproducibility of photos Soft more than the one obtaine
210. nt of colors copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure NW 4 Enter adjustment mode 05 Change the values for codes 1779 to 1798 to adjust the color density Senne Original mode 05 code Subcode Recommended value ATES MELEE adjust value range Rein iene agin eee Set a value larger than 128 to increase the density 0 to 255 128 Text Photo 05 1794 0 1 2 7 05 1795 0 1 2 Black __Text Photo 05 1789 0 12 Set a value smaller than 128 05 1790 0 1 2 to decrease the density Cyan Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The value for the code corresponding to the original mode Text Photo Text or Printed image will affect the copy image quality in the Full color mode and the Auto color mode The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Low density area Medium density area High density area Q Precautions after the completion of the adjustment The adjustment may possibly cause offset failure particularly when a highly colored original is copied in the Photo mode Also it may cause degradation in the color reproducibility Excessively enhancing the tint of black makes other colors such as skin
211. ode printing is performed in the toner save is adjustable as desired mode LJ Explanation The e E STUDIO2330C 2820C 2830C 3520C 3530C 4520C offers a toner save mode It is intended to automatically decrease the image density and reduce the amount of toner used Adjust the upper limit of the image density in the toner save mode in order to obtain the desired image density requested by a particular user QI Procedures The service technician must perform all adjustments e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 71 3 Printer specific Adjustments L PCL6 PS3 XPS EED HR IE 1 Enter adjustment mode 05 Change the value to adjust the image density in the toner save mode The 05 code to use varies depending on whether to adjust the image quality on Full Color or Twin Color printing or on Black and White printing Use either of the procedures below corresponding to the type of original to print To adjust the image quality in Full Color or Twin Color printing Auto Color or Twin Color is selected from among the Color options on the PCL6 or PS3 or XPS printer driver Auto Color or Twin Color is selected from among the Color Type options on Macintosh The Color options are available in the Basic tab on the PCL6 PS3 and XPS printer drivers The Color Type options are available in the Color Settings 1 menu in the print dialog box on
212. of highlighters are special Therefore their hues cannot be accurately reproduced To reproduce the hues of similar highlighters such as yellow and green while producing sharp contrasts on the copy perform color adjustment color balance adjustment or RGB adjustment and color density adjustment e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 52 2 Copier specific Adjustments QI Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 and 3 Only the service technician must use procedures 2 and 4 M 1 Press the IMAGE button on the Control Panel Press the ONE TOUCH ADJUSTMENT button Press the MARKER button After selecting the Marker option copy and check the copy image quality When the copy image quality with the Marker option is insufficient cancel the Marker option and use the next procedure The one touch adjustment can be canceled by pressing the ONE TOUCH ADJUSTMENT button again NE 2 Enter adjustment mode 05 Change the value for code 1769 to
213. on to be applied PDL and Halftone Ex When printing on Windows is performed with the following options selected PCL6 Color Twin color Details RED Halftone Auto gt Text area Change the values for Y 05 8062 M 05 8063 and K 05 8065 gt Graphic and image area Change the values for Y 05 8058 M 05 8059 and K 05 8061 When printing on Macintosh 1s performed with the following option selected Color Type Black amp Green Halftone Smooth gt Change the values for Y 05 8050 C 05 8052 and K 05 8053 Printing on Macintosh is performed in PostScript See the PS3 row in the table below Acceptable PDL 05 Subcode Recommended value code value range PCLS N Dee a a M Set a value larger Ne es Pr on ona EX Ne aaron c density Cyan K rs es Set the value in increments of approximately 20 while checking the printouts until the optimum value is obtained e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 98 3 Printer specific Adjustments The color to be adjusted varies according to the color color to be used for the area other than black selected in the Twin color mode Refer to the table below and select the color to be adjusted Selected color Color to be adjusted Y Yellow M Magenta C Cyan a Sa a ee ee Green F o 4 Oo Bwe gt o F e EE o Onw o S y A Magenta PO o Yow S S A S Halftone refers to how hal
214. on will be applied to all types of originals scanned with the default setting of the Full color mode Therefore perform the adjustment carefully while checking the copied images other than the one used as a reference of the adjustment e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION Alll rights reserved 4 6 4 e Filing specific Adjustments 4 4 To Match the Color Balance on the Original To adjust the color balance in Print to Box Before the adjustment After the adjustment Print to Box Print to Box e Filing box Image Quality Type e Filing box Image Quality Type Photograph General Stored Stored Downloaded Downloaded Client PC Client PC Displayed on the Displayed on the computer monitor computer monitor The image stored in the e Filing box looks The color balance of the image stored 1s closely different in the color balance from the original matched with that of the original e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 7 4 e Filing specific Adjustments Q Explanation If a full color image is printed on a client PC and stored in the e Filing box Print to Box it will be optimized for printing on paper This is the reason why the image stored in the e Filing box looks slightly different in the color balance from the original displayed on the computer monitor Change the Image Quality Type setting on the printer driver
215. or Cancel e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 100 3 Printer specific Adjustments ME 2 Change the Sharpness option on the printer driver For Windows XPS Open the property page of the printer driver Press the Setting button in the Image Quality tab Set the value for Sharpness within a range of 4 to 4 or to OFF in the Image Attribute tab Setting Basic Color Balance Image Attribute Contrast ere ree Brightness 7 oe 4 El Background Adjustment 4 e E Restore Defaults Cancel Help The value OFF of sharpness intensity adjustment is positioned as shown below e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 101 3 Printer specific Adjustments 3 24 3 To Print a Full Color Original in Two Colors To adjust the boundary between black and colors other than black NE 1 Enter adjustment mode 05 Change the values for codes 8213 to 8215 to adjust the boundary between black and colors other than black As the set value 1s increased the area of CHANGE BLACK TO will become larger On the other hand if the value is decreased the area of SECOND COLOR will become larger Apply to 05 code Recommended value ATTIC ce value range Increase the set value to oa enlarge the black area 8215 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C
216. or CMY 0 K 100 on the file Change the option on the printer driver or adjust the color balance in order to nearly match the hue of the black text on the file in which these factors may be included with the black hue As a point to remember determine whether the text to adjust is entered as an actual text font or as a graphic or image data Q Procedures Perform the adjustment in accordance with the procedures below Both the service technician and the user can use procedures 1 to 3 and 5 Only the service technician must use procedures 4 and 6 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 79 3 Printer specific Adjustments M 1 Ifprinting is performed on a PCL6 printer driver select a PS3 printer driver lt Hint gt If printing is performed on a PCL6 printer driver or if a file or a graphic application created on a DTP application such as Illustrator QuarkXPress FreeHand or CorelDraw is printed using the CMYK toners or a high definition PDF file created on these applications is printed black text may not be converted into 100 black But if printing is performed on a PS3 printer driver black text can be printed in black as shown on the file After printing on the PS3 driver print and check the print image quality If further image quality adjustments are still necessary use the next procedure Uy 2 Mark the Pure Black checkbox on the pr
217. or mode printing M 4 Enter adjustment mode 05 Adjust the color balance e Use steps a to b to adjust the color balance a Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be forcibly performed to correct variations in image contrast b Enter adjustment mode 05 Change the values for codes 8054 to 8057 or 8062 to 8065 or 8046 to 8049 to adjust the color balance and increase the color density e Adjust the value for 05 code corresponding to the print option to be applied PDL and Halftone e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 52 3 Printer specific Adjustments Ex When printing on Windows is performed with the following options selected PCL6 Image Quality Type Presentation Halftone Detail gt Change the values for Y 05 8062 M 05 8063 C 05 8064 and K 05 8065 e When printing on Macintosh is with the following option selected Image Type Line Art Halftone Auto gt Change the values for Y 05 8054 M 05 8055 C 05 8056 and K 05 8057 Printing on Macintosh is performed in PostScript See the PS3 row in the table below Color to PDL 05 Subcode Recommended Acceptable adjust code value value range m hated hee Sota value larger 5625 9g c than 128 Can K Black Set the value in increments of approximately 20 while checking the printouts until the optimum
218. or the Black mode Value for 08 580 Reference original mode O0 Reserved Default Text Photo For the Full color mode Value for 08 590 Reference original mode 0 Reserved Default 2 Printed image Po O Po 4 edocument O S O After selecting the reference original mode option use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 19 5 Scanning specific Adjustments HE IE I 2 Enter adjustment mode 05 to adjust the values in the Custom mode in order to obtain the image quality the user desires e Select the necessary value for 05 code in the table below value range 05 7425 Range correction Automatic density adjustment Range correction Manual density Ease adjustment 05 7470 Sharpness adjustment 05 7475 Manual density adjustment center value 05 7478 Automatic density adjustment 05 7480 Gannma curve balance adjustment 05 8371 Fine adjustment of black density 0 to 4 Background processing offset adjustment Automatic density adjustment Background processing offset adjustment Manual density justment Range correction adjustment Automatic density adjustment Range correction adjustment Manual density adjustment 05 8404 0 to 255 05 8409 05 8334 05 8365 05 8370 Background adjustment 05 8371 Fine adjustment of black density ows 0 05 8372 RGB conversion method selection Full color 05 8375 Sharpness
219. ore carefully perform the adjustment while checking the printouts e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 18 3 Printer specific Adjustments 3 6 To Use Only the Black Toner to Reproduce Gray Areas To use only the black toner to reproduce black and white photos or gradational images Before the adjustment After the adjustment Photo area Photo area Text area z Text area Using all color toners to reproduce black and Using only the black toner to reproduce black white photo images bitmap data blends and white photo images can diminish undesired undesired colors in the image colors Q Explanation For printing only the K toner is usually used to reproduce gray areas of drawing data lines and text On the other hand all color toners C M Y and K are used to reproduce gray areas of image data such as BMP GIF JPEG and TIFF This provides a deeper gray on the printouts The following are examples when image data are reproduced using C M Y and K e A gray scale or black and white photo is pasted in photo editing software such as Imaging and Paint Shop Pro in Internet Explorer word processing or spreadsheet software e A semi transparent gray color or gradient of gray is used in the Format AutoShape dialog box on Microsoft Office The gray area printed out as raster data in the same manner as a photo image is reproduced using C M and Y toners or C M
220. ound lighter To copy while eliminating the background color to adjust the reference value for the background density adjustment This adjustment is effective when you do not copy the dark color of the background of an original a Enter the adjustment mode 05 Change the values for codes 7236 and 7237 to make the range correction operation fixed e The code to be set differs depending on the density mode Select the 05 code for the target original mode and change the value to 0 Original Density mode 05 code Recommended Acceptable mode value range value 05 7236 Le 05 7237 po Explanation for setting values Setting Range correction value operation 0 Fixed e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 72 2 Copier specific Adjustments To increase the sharpness intensity This adjustment is effective when you want to copy light text thin lines or illustrations more clearly a Enter the adjustment mode 05 Change the value of the code 922 to adjust the default value for the sharpness intensity Accepta Color mode Original mode 05 code HUE EE ble value range value Set a value larger Black User custom 05 922 than 128 0 to 255 129 to 228 lt Note gt Ifthe setting value is too large Moir may appear To copy text or lines more clearly a Enter the adjustment mode 05 Increase the value for the code 925
221. page business document A poster Myer form graph or chart will demand more attention if color is incorporated into its design Color can establish a recur ring theme increasing brand recognition and can help arrange facts im a clear and logical fashion Focus attention Enlighten Explain Persuade Use color After the adjustment Color has always been an important part of life and is becoming more and more important in business documents Color can be used to emphasize and prioritize information ithean be nsed to organize material adding a logical sequence and conti nuity to reperts proposals or any multi page business document A poster Myer form graph or chart will demand more attention if color is incorporated into its design Color can establish a reeur ving theme increasing beand recognition and can help arrange facts in a clear and logical fashion Focus attention Enlighten Explain Persuade Use color If the original is scanned in the Full color The image quality is maintained while noise mode or the Gray scale mode noise may occur is being reduced in text or edges of a solid filled area LJ Explanation When an original is scanned in the Full color or the Gray scale mode the data compression may cause noise toner scattering around text or the edges of a solid filled area Adjust the compression rate or change the scan resolution in order to obtain a better scanned in image while reducing noise
222. pplied to all printouts for the Halftone option For instance 1f the value for 05 code for PCL and Detail is changed it will be applied to printing performed with PCL6 and Halftone Detail or Auto selected Carefully perform the adjustment being aware that the image quality of all future printouts will be changed when printing out originals other than the one that is used for the adjustment e When Mono is selected from among the Color options and Auto default is selected from among the Halftone options Detail of the Halftone options is applied to text and graphics illustrations and Smooth is applied to raster data images Therefore particular attention 1s required since the adjustment may have a different impact according to the patterns of the image to be printed Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 64 3 Printer specific Adjustments 3 16 To Clearly Print Thin Lines Double Lines Before the adjustment After the adjustment Conglomerate Group s PRTR datal Ursa Major Operations Conglomerate Corp Ursa Major Operations Conglomerate Corp 41 Zinc water soluble compounds p Zinc water soluble compounds 16 2 aminoethanol 2 aminoethanol 43 Ethylene glycol Xylene 69 Chromium VI compounds 69 227 230 _ Lead and its compounds Barium and
223. ptional name in the Name option c Select the type you would like to use as the base one from among the Image Quality Type options in Original Image Quality Type Setting Basic Color Balance Image Attribute Custom Color Settings W Save Curent Settings as a Hame Draft agenda Urngnal Image Hualty ppe Presentation Li c Halftone Resolution itil Auto B00dpi Use Black for All Test Distinguish Thin Lines W Pure Black Apply to W Pure Gray Auto x Apply to W Black Ower Print Test amp Graphic Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 92 3 Printer specific Adjustments After registering the name open the property page of the printer driver Make sure that the name created for the Image Quality Type option in the Image Quality tab has been registered The icon of the base Image Quality Type will be displayed in the background of the icons for the registered Custom Color Settings The icon of Presentation is displayed in the background as illustrated below gt TOSHIBA e STUDIO4520CSeries PS3 Printing Preferences Basic Finishing Paper Handling Image Quality Effect Others Print Job Normal Etat El Image Quality Type Beene ee 1 Profile Name E General Photograph Er Presentation Line A
224. quality control value will be initialized c Perform automatic calibration For further information regarding the procedures refer to procedure 2 in 1 1 To Obtain a Darker Image After replacing any consumable remember to reset the counter corresponding to it to 0 Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables While replacing any consumable also check the slit glass in the laser optical unit and thoroughly clean it if it is soiled e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 20 1 General Adjustments Copying Printing and e Filing Output from Box Q Precautions after the completion of the adjustment e The adjustment may possibly slow down the copying or printing speed extend the warm up time when the MFP is returned from the auto power save mode and shorten the life of the consumables because of an increase in the number of times image quality control is performed Therefore carefully perform the adjustment while checking the copy or print image e Note the following when you print in thick paper mode in step 3 Printing speed decelerates to 17 5 sheets per minute A4 LT after the adjustment The thick paper mode cannot be set for the LCF Large Capacity Feeder optional Therefore the maximum number of sheets acceptable for continuous printing shoul
225. r Settings Resolution 600dpi Letter E E M Use Black for All Text F Distinguish Thin Lines Graphics Text MN Pure Black Apply to Profile None z V Pure Gray Auto Ei Pee eee Save Profile s Setin ee eee anne amp EEE Apply to Restore Defaults M Black Over Print Text amp Graphic v Restore Defaults e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 47 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Change the Image Type and Halftone options The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 2 gt Image Type Printer Features gt Feature Sets Color settings 1 gt Halftone 10 3 x 10 4 x 10 5x Color Settings 1 gt Image Type Halftone e Set either of the following options in accordance with the type of original to print e Image Type Presentation To make color darker Halftone Detail To make the halftone screen high frequency Printer TOSHIBA e STUDIO4520C W o Presets Standard HH Color Settings 1 HH Color Type Color Halftone Detail Ww Distinguish Thin Lines Toner Save Image Type Presentation Black Over Print Text and Graphics Pure Black an
226. r a DTP application e g QuarkXPress is printed or a PDF file created on these applications is printed using the C M Y and K toners Unmark the Use PostScript Passthrough checkbox in the PostScript Setting options in the Others tab The Image Quality Type option will be effective if printing on Windows PS3 is performed but not on Macintosh or if a file created on the above applications is printed However the color balance may be changed and also the image quality may be diminished depending on the type of file For Windows PCL6 This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Select Photograph from among the Image Quality Type options TOSHIBA e STUDIO4 5 20CSeries PS3 Properties Basic Finishing Paper Handling Image Quality Effect Others Print Job Normal Print zl El Image Quality Type Pieces se 7 Profile Name Line Art E E Advanced Graphics Text Profile More ls ing 2 a Restore Defaults e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 14 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C For Macintosh Mac This adjustment will have an effect only on full color printing Printer TOSHIBA e STUDIO45S20C Presets Standard Color Settings 1 Color Type Halftone rd Distinguish Thin Lines Toner Save Black Over Print
227. r image quality adjustments are still necessary the service technician must use the following procedure Enter adjustment mode 05 Increase the values for codes 1737 1738 1757 and 7807 to make the copied text darker the sharpness level increases e In the adjustment mode 05 original modes that allow the adjustment of the sharpness level for the Auto Color mode is only the TEXT PHOTO mode and the TEXT mode Set a value larger than 128 for each code Original mode 05 code Recommended Acceptable Default value value range Text Photo 05 1737 05 1738 ACS Black Set a value larger than Text Photo 05 1757 128 0 to 255 128 ACS Black 05 7807 Text Setting 0 provides the softest image while setting 255 provides the sharpest image Changing the values for these codes will change the sharpness intensity when the Sharpness indicator in the IMAGE menu is set to the center Remember that 1 step of the indicator will increase or decrease the sharpness intensity by 25 If the sharpness intensity of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is increased by 25 sharper the value of each step of the indicator will also be increased by 25 sharper The adjustment value for color mode will be adopted if the original is judged as color with the ACS function After setting the value copy and check the image quality
228. rast or increasing Saturation moving to the side may improve the image quality After changing the option on the printer driver print and check the print image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 51 3 Printer specific Adjustments This adjustment will have an effect only on Auto or Color mode printing NE 3 Open the property page of the printer driver Press the Setting button in the Image Quality tab Mark the Detail checkbox in the Color Balance tab Press the Edit button Set the value for the Low Middle density of the color you would like to adjust within a range of 1 to 4 in the Color Balance Details option This adjustment will have an effect only on printing on the Windows PCL6 or PS3 emulation printer driver This adjustment cannot be performed on a Macintosh printer driver Initially set 4 and check the printout Color Balance Detail Middle High eel Can jo 4 4 M Magenta jo 4 4 Yelow h 4 4 E Black z m 4 4 Restore Defaults Cancel After changing the option on the printer driver print and check the print image quality If further image quality adjustments are still necessary use the next procedure CED This adjustment will have an effect only on Auto or Col
229. ribute tab Setting Basic Color Balance Image Attribute Contrast Brightness A M Background Adjustment 4 SE E Saturation i 4 0 1 W Use Sharpness Filter i 1 Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 31 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Change the Contrast option The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 4 gt Contrast 10 3 x 10 4 x 10 5x Color Settings 2 gt Contrast Printer TOSHIBA e STUDIO4520C jo Color Settings 2 Color Balance Cyan Magenta Image Attribute Sharpness Brightness Cancel Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 32 3 Printer specific Adjustments 3 10 To Obtain a Sharper Print Image Print data F ee tn TR ng The edge of the print image is so enhanced that it looks sharper Unadjusted settings Q Explanation Increase the sharpness intensity under the menu on the printer driver in order to obtain a sharper print image
230. rint and check the print image quality If further image quality adjustments are still necessary the service technician must use the next procedure according to the image quality problem the user has e To obtain a shaper or softer print image Go to procedure 2 e To make only the light colored area darker Go to procedure 3 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 96 3 Printer specific Adjustments M 2 Change the Color balance option on the printer driver For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in the Image Quality tab Change the option in the Color Balance tab Set the value while checking the printouts until the optimum value is obtained Color Balance tab Change the All Colors or Each Color option To make detailed setting you can set it by marking Detail checkbox Same as Auto color or Full color mode Setting Basic Color Balance Image Attribute All Colors Each Color Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 97 3 Printer specific Adjustments 3 Enter adjustment mode 05 Change the values for codes 8042 to 8065 to adjust the color density Adjust the value for 05 code corresponding to the print opti
231. rinted in black depending on the type of text e g text larger than 72 points e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 75 3 Printer specific Adjustments 3 20 To Ignore Blank Pages for Printing Before the adjustment After the adjustment A blank page is also delivered A blank page is ignored for printing Q Explanation Some applications may be designed to automatically insert blank pages for laying out the pages of a document Change the option on the printer driver in order to ignore all blank pages for printing QI Procedures Both the service technician and the user can perform all adjustments e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 76 3 Printer specific Adjustments E 1 Enable the Do not Print Blank Pages option on the printer driver For Windows Others Print Job Default Menu Setting Normal Print ba El Baie asic al Toner Save Letterhead Print Mode Custom Paper Size PostScript Settings gt Topdccess i Department Graphics eparimen Protile Custom Settings File Import Export None r I I I IIIN Save Profile Delete Version Information Restore Defaults Restore All Defaults e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 77 3 Printer specific Adjustments
232. rinter specific Adjustments NE 1 Change the Use Sharpness Filter option on the printer driver For Windows XPS Open the property page of the printer driver Press the Setting button in the Image Quality tab This adjustment will have an effect only on Auto or Color mode printing Uncheck the Use Sharpness Filter checkbox in the Image Attribute tab Always set Uncheck Setting 1 or a smaller value may provide blurred print images Setting Basic Color Balance Image Attribute Contrast Brightness 4 M P Background Adjustment 4 i al Saturation K S a e 4 m o 4 W Use Sharpness Filter i 1 Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 43 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Enter the adjustment code 05 Change the values for codes 8110 to 8113 and 8118 to O to change the sharpness setting OFF Image Acceptable Sealer quality 05 code Subcode RSTO TIMET value mode value type range 05 8110 0 1 2 05 8111 0 1 2 Auto Color 05 8112 0 1 2 0 to 255 128 05 8113 0 1 2 05 8118 0 1 2 Subcode Original _ _ po Tet lt Note gt When the value of this code is changed the sharpness setting of Windows 1s also changed to OFF e STUDIO2330C 2820C 2830C 3520C 3530C 4520C
233. rk the Detail checkbox in the Color Balance tab and then press the Edit button e Set the value for the Low Medium density of the color you would like to adjust within a range of 1 to 4 in the Color Balance Details option This adjustment will have an effect only on printing on the Windows PCL6 PS3 or XPS emulation printer driver This adjustment cannot be performed on a Macintosh printer driver Initially set 4 and check the printout Setting Basic Color Balance Image Attribute All Colors Each Color M Detail Restore Defaults Cancel Help After changing the option on the printer driver print and check the print image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 84 3 Printer specific Adjustments PS3 X xPs GTS This adjustment will have an effect only on Black and white mode printing My 6 Enter adjustment mode 05 Change the values for codes 8042 to 8065 to adjust the color density Color balance e Adjust the value for 05 code corresponding to the print option to be applied PDL and Halftone Ex When printing on Windows is performed with the following options selected PCL6 Image Quality Type General Halftone Auto gt Text area graphic area and image area Change the values for Y 05 8058 M 05 8059 C 05 8060 and K
234. rt Profile None Setting 2 Restore Defaults QI Precautions after the completion of the adjustment The Custom Color Settings indicate a condition where the default setting has been changed Adjusting the values in detail in the Setting option allows the user to register the desired print image quality LJ Remarks The checkbox in the Custom Color Settings option will be effective only if you login using a user name belonging to Administrator or Power Users only on Windows NT4 0 2000 XP Vista Server 2003 and open the property page of the printer driver in the Printers and Faxes folder e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 93 3 Printer specific Adjustments Before the adjustment Population transition by County 1920 2000 Coonty A poguistion han been non rapichy every por That taped popular gite wel Pareto gie B on Gry irop doth az the ares pri 3 24 To Print a Full Color Original in Two Colors After the Adjustment Population transition by County 1920 2000 Coonty A gepulston has been nomaang rapidly ewery pear That taped popular cran wel Pare de Grin eA on Oty caenlopswie doch sa the Taner epee DA Eu other had DOS C howe no populrhon incenaes Oe Eu tee Pira rare no pappa ahri neces Thai dairy and router eels nager teama to hin Tiai dairy and agree al ele nage son beana to hinu Ciudad Pa POLO gia ba h Court Ciudad Td
235. rved 2 70 2 Copier specific Adjustments 2 18 To Program Frequently Used Copy Settings To Use Custom Mode LJ Explanation Five original modes Text Photo Text Printed image Photo and Map are available for the color modes and four original modes Text Photo Text Photo and Image smoothing are available for the black mode by default However a new original mode adjusted to be able to satisfy the user s particular requests about image quality can be added as a custom mode One custom mode can be added for each of the color and black modes For users who frequently use the special type of originals or who are not satisfied with the image quality of the existing original modes it is recommended to register a set of copy settings that satisfy the user s particular requests as the custom mode The custom mode is made by adjusting image quality based on the Text Photo mode according to originals to be used It is also available to use the custom mode as an independent original mode This means that the change of the setting values in the custom mode does not affect each default original modes QI Procedures The adjustment procedure differs depending on whether in the black mode or the full color mode the settings in the custom mode are adjusted Ask the user which mode he or she uses and then refer to the procedure that is more suitable for his or her request 2 18 1 To Adjust Custom Mode Settings in Black Mode All the
236. s b Enter adjustment mode 05 Change the values for code 9104 and 9107 to adjust the image quality and resolution of a background Recommended 05 code value Acceptable value range 05 9104 05 9107 Changing the value provides the effects below Enter the value within the recommended value range Otherwise it may cause a loss in MFP performance including degradation in the image quality Set a smaller value High compression small file size low image quality and high scanning speed Set a later value Low compression large file size high image quality and low scanning speed To leave the color of text as it is Use steps a to b to perform the adjustment a Turn the original and place it Or when scanning the original press the COMMON SETTING button on the Control Panel Change the Image Rotation option to turn the original After changing the Image Rotation option scan the original and check the scanned in image quality If further image quality adjustments are still necessary use the next procedure b When scanning the original press the COMMON SETTING button on the Control Panel Press the button to decrease the sharpness intensity Decrease the sharpness intensity by step from the current value To eliminate the background density Use steps a to b to perform the adjustment a When scanning the original press the COMMON SETTING button on the Control Panel Pre
237. s of the user e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 61 2 Copier specific Adjustments QI Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedure 1 Only the service technician must use procedure 2 W 1 Change the threshold for the Auto Color mode e Follow steps a through d to perform the adjustment a Press the USER FUNCTIONS tab on the Control Panel to enter the User Functions menu b Press the USER button c Press the COPY button d Change the threshold with the ACS ADJUSTMENT indicator If you move the indicator to the left the original tends to be judged as a black original If you move it to the right the original tends to be judged as a color original lt Hint gt The relation between the position of the ACS ADJUSTMENT indicator and the judgment result is shown below In the actual adjustment the threshold varies depending on the shape and size of the original or the density level of the original image Therefore us
238. school coden The NOTE s epad D apnee ONA QUI of at DONS CAPE TOL NeCateD N inn Esp nr Theana One Tree OT Treat and of SORT mi Newer eevee Menton Teen leew Or 12 24 32 27 17 33 60 17 8 National Use Internet use will be boosted worldwide The availability of advanced telecommunmcations ts also expected to fuel explosive growth in regions D and E The launch of the 8th communications satellite will also add a significant capability in terms of providing universal access Internet Growth to 2090 Internet Growth to 2090 Trah RT oS PTET BL eR a OP PS ES CL Lie CP The CRONE s pce 10 GxPeNence COMmCerante QE A af DORE CRpedatly Tote ADAD Hm es map op ED niii de wed in Gotha ner aod gah polar vege ard in apace wieder OUTAT arii me map as ED ang L a8 well in Botte nor ang south polar reponse and in space SON COMMATER road in countries hai importe eme infrasinzciura darty on ell raccord ba sic eg Groeth n coumes that implemerted roret wfrestuctre carly on wil necessarily be slower sthoug wae daerop ipii alll wider fo cece Op ra for chakra weer demographics wil wider to mie appicatons tor preschool chddran BEEBE EEE DQ BERBER BBB RRB BRB BRB RRP RRP Re ee eee es we peated BEBE EER RB RBBB eeee Esp nr Teor cr nee Tree Sr SE Deena Tente ewer Teman aren 12 15 7 10 10 ete peers 5a 13 23 Sour ro 2 Fh 19 45 EEE 1 1 28 35 35 78 Gena hae oe hace eens eee ee et d PO oPeUee ee ee d b
239. se a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e If the adjustment causes a toner fixing problem decrease the values for codes 05 1613 to 1618 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 58 2 Copier specific Adjustments 2 14 To Obtain Smooth Gray Scale Photo Images After the adjustment F Wek ip Halftones are not accurately reproduced Halftones are reproduced better Explanation When a photo image or gradational image is copied in the Black mode with the Text Photo mode selected halftones are not accurately reproduced Select the Photo mode or the Image smoothing mode from among the original mode options in order to reproduce halftones better in the Black mode e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 59 2 Copier specific Adjustments QI Procedures Both the service technician and the user can perform all adjustments E 1 Press the BASIC button on the Control Panel Select PHOTO from among the original mode options To have PHOTO selected from among the original mode options by default refer to procedure 1 in 2 8 To Eliminate Moir After selecting the Photo mode copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure i 2 Press the BAS
240. ser can perform all adjustments 1 When scanning the original press the COMMON SETTING button on the Control Panel Select IMAGE SMOOTHING from among the color mode options e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 5 5 Scanning specific Adjustments Q Precautions after the completion of the adjustment The adjustment may possibly increase the size of the file to be stored Therefore carefully perform the adjustment while checking the scanned in image quality The correlation between color mode and file size is as described below The ratio of the file size may vary depending on the type of original Therefore use the description below just for your reference Ratio of the file size in the Black mode to the Gray scale mode e If the file size in the Black mode with the Text mode selected is 1 it will be increased to approximately 7 times in the Gray scale mode e If the file size in the Black mode with the Photo mode selected is 1 it will be approximately doubled in the Gray scale mode e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 6 5 Scanning specific Adjustments 5 4 To Scan the Original while Reducing the File Size Before the adjustment After the adjustment Approx 600 KB RS Hs Approx 100 KB Approx 200 KB i Approx 30 KB Approx 900 KB sas Approx 150 KB The above file sizes are just
241. set Darker background 1s reproduced than the one obtained when the default value 1s set on background is reproduced than the one obtained when 3 is After setting the value copy and check the image quality If further image quality adjustment is necessary go to the next step e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 69 2 Copier specific Adjustments BW 2 Enter the adjustment mode 05 Change the values for codes 7025 7064 to 7065 or 7675 to adjust the reproducibility of the background when using the RADF Acceptabl Color mode 05 code Recommended value e value range 05 7025 Set a value smaller than 128 ACS Black 05 7675 to increase the density level Full Color 05 7764 of the background 05 7765 0 to 255 Set a value larger than 128 to Twin Color 05 7766 decrease the density level of the background Set the value in increments of approximately 20 while checking the copy image until the optimum value is obtained Q Precautions after the completion of the adjustment Correctly adjusting the installation heights of the MFP and the RADF is a prerequisite to perform this adjustment Therefore perform all the necessary adjustments Only if further adjustment is still desired for the reproducibility of background should this adjustment be performed e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights rese
242. ss the button to decrease the background density After decreasing the background density scan the original and check the scanned in image quality Only if the user s desired image quality is still not obtained after the above procedure has been performed scan the original in JPEG or PDF Q Precautions after the completion of the adjustment The adjustment may possibly cause blurred text noise or vary the hues of areas Therefore carefully perform the adjustment while checking the scanned in image quality e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 12 5 Scanning specific Adjustments 5 5 To Sharply Scan the Original To increase the sharpness intensity Before the adjustment After the adjustment The image looks too soft and blurred The edges are enhanced The image looks sharp Q Explanation Adjust the sharpness intensity in order to sharply scan the soft and blurred original This adjustment will have an effect on the image scanned in all color modes Full color Gray scale Black and Auto color e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 13 5 Scanning specific Adjustments QI Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image qua
243. stored in the e Filing box on the Control Panel or using the e Filing Web utility For further information regarding how to print it out refer to the Operator s Manual for e Filing Guide lt Note gt Fax to Box If the image is scanned or faxed and stored in the e Filing box Scan to Box or Fax to Box download it to the client PC once select the desired Image Quality Type option on the printer driver and print it out rather than printing it out directly from the e Filing box Then the image may be finely printed For further information regarding how to print full color images scanned and stored refer to 4 8 To Finely Print Color Images Scanned and Stored Q Precautions after the completion of the adjustment Nothing in particular Q Remarks When Archive Document of the e Filing Web utility or Backup of the e Filing Backup Restore Utility 1s used image data stored in the e Filing box can be converted to a file maintaining the image quality optimized for printing For example you may want to temporarily move stored data to make some space in the box and save them again in the box When data are converted to a PDF or TIFF file and then moved using the File Downloader the image quality may be diminished However you can use Archive Document or Backup to move the data while maintaining the image quality The Backup feature can also collectively backs up all the data in the e Filing box Note that files created through the Arch
244. t is copied on paper But it will be more enhanced if it is stored as image data Select the Printed image mode from among the original mode options in order to store full color photo images while minimizing moir Please remember that the e Filing functions are available only on the Windows platform and not on the Macintosh or UNIX platform Q Procedures Both the service technician and the user can perform all adjustments e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 5 4 e Filing specific Adjustments Copy to Box This adjustment will have an effect only on images stored in the Full color mode NE 1 Press the BASIC tab on the Touch Panel and then select PRINTED IMAGE from the original modes The procedure to be used varies depending on cases when the original mode is set for each job set without templates when a template is used or when the default original mode is changed If you want to scan only a particular job in the Printed image mode refer to To Set Original Mode for Each Job without Templates If you change the original mode according to the type or the purpose of the original refer to To Scan Originals Using Template If you change the default original mode in order to scan the original in the Printed image mode automatically refer to To Change Default Original Mode To Set Original Mode for Each Job without Templates Press
245. tance if the center value is decreased by 25 softer the value of each step of the indicator will also be decreased by 25 softer However the range of adjustment values that is valid for sharpness level change is from 100 to 100 of the total of the setting value of the adjustment code and that of the indicator For instance if the setting value of the adjustment code is 103 25 from the default value the limit of the steps in the soft side of the indicator is 3 If the step is set at 4 the image quality will not be changed 3 2 Soft I I Default 100 50 50 Setting value 103 _100 100 75 4 I Sharp 100 25 50 75 100 1 0 25 0 Assigned adjustment value of sharpness 50 25 O 25 50 75 Since 25 is assigned to the center the image quality remains the same even if the indicator is changed from ee to 4 lt Note gt Minimizing the edges of the copy image and Sharpening the copy image are mutually contradictory When the adjustment is performed to minimize the edges the resolution of the copy image may decrease After decreasing the sharpness intensity copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 44 2 Copier specific Adjustments NW 4 Enter adjustme
246. the BASIC tab on the Touch Panel and select PRINTED IMAGE as an original mode To Scan Originals Using Template Recall a template whose original mode is set at PRINTED IMAGE to make a copy Tt is recommended to use a template if you want to change the original mode setting according to the type or the purpose of the original to be scanned First you must register the original mode settings as a template then use it as required so that you will be able to switch the original mode easily For how to use templates or details about templates refer to the Copying Guide and the TopAccess Guide To Change Default Original Mode on Touch Panel Use steps a to d to change the default original mode a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the USER tab c Press the COPY button d Press the PRINTED IMAGE button of the ORIGINAL MODE FOR COLOR option To Change Default Original Mode in Setting Mode 08 Enter the setting mode 08 Change the value for the code 585 to 2 to change the default original mode a mode automatically selected when the power of the equipment is turned ON to PRINTED IMAGE Setting value of Bp 08 585 Original mode at power ON 0 Text Photo Default Text 2 Printed image i O Photo Map 5 Custom Q Precautions after the completion of the adjustment The new default original mode in the copying functi
247. the CALIBRATION DISPLAY LEVEL option Use steps a through J to perform the automatic calibration a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the ADMIN tab c Enter an administrator password of 6 to 10 digits Press the OK button d Press the GENERAL button e Press the CALIBRATION button f Press the PRINT button g Press the CALIBRATION button to print out the test chart h Place the printed test chart on the original glass 1 Press the START button to perform calibration When the calibration comes to an end the message Scanning and calibrating will disappear j The message Is a result made to reflect will appear Press the YES button Q Precautions after the completion of the adjustment When image quality control is repeatedly performed the color balance may slightly vary due to an error even in the same environment e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 2 3 Printer specific Adjustments 3 2 To Maintain a Steady Color Balance on Thick Paper or Special Paper Before the adjustment The color balance varies according to the The color balance is constantly maintained on paper type any type of paper Explanation The color balance varies according to a change in the environment replacement of the consumables and so forth The amount of the change varies significantly
248. the Image Quality tab Unmark the Pure Gray checkbox in the Basic tab Setting Basic Color Balance Image Attribute Custom Color Settings Photograph o d Halftone Resolution Use Black for All Test Distinguish Thin Lines W Pure Black Apply to Auto Apply to W Black Over Print Text amp Graphic Restore Defaults Cancel Help e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 17 3 Printer specific Adjustments For Macintosh Mac This adjustment will have an effect only on full color printing Open the print dialog box Select Black Auto from among the Pure Black and Gray options The menu to select varies according to the operating system Refer to the table below and select the menu Printer Features gt Feature Sets Color settings 2 gt Pure Black and Gray 10 3 x 10 4 x 10 5x Color Settings 1 gt Pure Black and Gray Printer TOSHIBA e STUDIO4520C Presets Standard Color Settings 1 Color Type Halftone rd Distinguish Thin Lines Toner Save Image Type General Black Over Print Text and Graphics D C PDF x Preview Cancel Q Precautions after the completion of the adjustment The adjustment allows gray areas always to be reproduced using all color toners C M Y and K As a result undesired colors may look blended depending on the print image Theref
249. the adjustment print and check the image quality If further image quality adjustment is necessary go to step 3 EE MT 2 If the image on the high density area looks grained on plain paper other than the TOSHIBA recommended one is used select recycled paper as a paper type To select the paper type refer to the Operator s Manual for Copying Guide e If fine adjustment of image quality in the recycled paper mode is required in accordance with the paper type follow the steps from a to b below a Enter the adjustment mode 05 Change the value of the codes 2934 to 2937 to adjust 2nd transfer bias output In this step the transfer roller bias offset voltage is adjusted to print the high density area or the halftone area of the image most clearly SubeG Accepta Paper type 05 code de mended ble value range paper Full color R led paper I e Black paper Front refers to the printed side in the simplex mode or the side that is delivered facing downwards in the duplex mode Back refers to the printed side that is delivered facing upwards in the duplex mode e After adjusting the transfer roller bias output perform automatic calibration Refer to step 2 in 1 1 To Obtain a Darker Image lt Hint gt The larger the setting value is the more the transfer voltage increases It is usually recommended that the set value be increased when you print on thick paper or paper with asp
250. the codes 7980 to 7983 to adjust the gamma balance of each color Oriainal mode 05 Subco Recommend 3 code de ed value mae 05 7980 Set a value sa User custom 05 7981 en 0 1 2 larger than DE 05 7982 7982 a eae 05 7983 7983 Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained Subcodes to be entered differ depending on the target density area Refer to the table below to enter the subcode for the area to be adjusted Subcode Area where the density is adjusted ee Low density area Medium density area High density area Q Cautions after the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 79 2 Copier specific Adjustments 2 19 To Copy While Erasing Shadow Outside of Image Before the adjustment After the adjustment When originals such as books are copied an The shadow is erased area outside of the image is copied like a shadow because the original cover is not fully closed LJ Explanation When originals such as books are copied an area outside of the image is copied like a shadow because the original cover is not fully closed Use the Outside Erase function to avoid copying areas outside of the image LJ Procedures Both the service technician and the user can use all the steps of this adjustment ED pa 1 Press the EDIT tab on
251. the image stored in the e Filing box is The image stored in the e Filing box can be printed moir is likely to occur printed while moir is minimized Explanation An original is scanned and stored in the e Filing box Scan to Box When the image stored is printed directly from the e Filing box moir may occur depending on the type of original Also it is likely to occur particularly when the original is scanned in the Full color mode or the Auto color mode in a high resolution 600 dpi or even in the Gray scale mode Select an appropriate scan resolution or adjust the sharpness intensity in the scanning functions in order to store the original and print it from the e Filing box while minimizing moir Q Procedures You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 to 3 Only the service technician must use procedure 4 Scan to Box fy 1 When scanning the original press the COMMON SETTING button on the Control Panel Select PRTD IMAGE from among the original mode options This adjustment will be effective only 1f TE
252. the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 3 5 Scanning specific Adjustments II WZ 3 Enter adjustment mode 05 Change the values for codes 1070 to 1072 to decrease the background density e The code to use varies according to color mode and original mode Adjust the value for 05 code corresponding to the color mode for which you would like to improve the image quality Color mode Original mode 05 code Recommended value Acceptable Default value range 05 1070 Full color 05 1071 Set a value smaller than 50 0 to 50 05 1072 Set the value in increments of approximately 10 while checking the scanned in image until the optimum value is obtained The background density in the Full color mode code 05 1070 1071 or 1072 will become the lowest if 0 is set On the other hand it will become the highest if 50 is set Changing the value will also change the background density in the Full color mode when the Background Adjustment indicator is set to the center Then if the background density of the center value is changed each step of the indicator will be changed accordingly For instance if the center value is decreased by 5 lighter the value of each step of the indicator will also be decreased by 5 lighter Q Precautions after the completion of the adjustment The adjustment may possibly diminish the quality of the light co
253. ties as the best Results based on survey of Tailwind Premier members TOSHIBA 2 Copier specific Adjustments 2 11 To Make Solid Filled Bold Text Logo Highly Colored After the adjustment Our Top Five Romantic Destinations Whether you re shopping for your perfect honeymoon destination or just looking for a special getaway our top destination picks for romance offer beauty relaxation and plenty of activities for just the two of you Our members chose these five cities as the best San Jose Del Cabo Jamaica St Lucia 18 B B Results based on survey of Vailwind Premier members TOSHIBA The solid filled graph 1s not highly colored The solid filled graph becomes highly colored enough and sharper LJ Explanation Solid filled bold text such as a logo is sometimes not highly colored on the copy Change the original mode option perform copy density adjustment and level adjustment for black headline text in order to make the solid filled image more highly colored This adjustment will have an effect only on copying in the Full color mode Q Procedures The procedure to use varies depending on whether to adjust the copy image quality of a black or colored logo Refer to the procedure corresponding to the user s particular request e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 47 2 Copier specific Adjustments 2 11 1 To Adjust the Copy Image Quality
254. ting to Always USE Pre running for the first printing means the idling rotation of the Fuser Unit prior to printing lt Notes gt e Confirm if the firmware version is the latest one before the setting If not update it to the latest one e After these settings the machine may go into the wait status since the fusing temperature can not follow depending on the usage conditions such as low temperature thick paper just recovering after warming up etc e After these settings the fusing performance may degrade depending on the usage conditions such as low temperature thick paper just recovering after warming up etc In such a case return the setting to default e These settings extend the First Print Out Time by the period of time required for pre running of the first printing e These settings always perform the pre running for the first printing of each job by the time required for pre running of the first print This results in reducing the life of consumables e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 19 1 General Adjustments Copying Printing and e Filing Output from Box EE MD G Use the thick paper mode when you print on plain paper e If the thick paper mode is used printing decelerates but image quality becomes more stable because differences in color or temperatures during continuous printing will be reduced e Set the thick paper mode following
255. tion can also be selected to allow the user to operate it Refer to the User Functions Guide for further information regarding how to select the CALIBRATION DISPLAY LEVEL option e Use steps a through 1 to perform automatic calibration a Press the USER FUNCTIONS button on the Control Panel to enter the User Functions menu b Press the ADMIN tab c Enter an administrator password of 6 to 10 digits Press the ENTER button d Press the GENERAL button e Press the CALIBRATION button f Press the COPY button g Press the CALIBRATION button to print out the test chart h Place the printed test chart on the original glass 1 Press the START button to perform calibration When the calibration comes to an end the message Scanning and calibrating will disappear As a result of the above steps the copy image quality will be corrected in the Full color mode and the Black and White mode simultaneously After performing automatic calibration copy and check the copy image quality If further image quality adjustments are still necessary use the next procedure a W G Perform hue adjustment to adjust the tint of the color in the color area to change e Use steps a through d to perform the adjustment a Press the IMAGE button on the Control Panel b Press HUE button c Press the or button on the indicator of the color to adjust Pressing the or button on the indicator changes t
256. to step 2 in 1 1 To Obtain a Darker Image lt Hint gt The smaller the setting value is the lower the fusing temperature becomes It is usually recommended that the set value be decreased in order to suppress roughness on the high density area of the image Adjust the value while checking the image carefully because if the value is too small insufficient fusing may occur Since temperatures on the long side of the paper cannot be kept in a proper balance the same value must be set for the 08 codes 5293 and 5294 unless otherwise required so After setting the value print and check the image quality If further image quality adjustment is necessary go to step 3 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 14 1 General Adjustments Copying Printing and e Filing Output from Box E I MI WW G Check the life of the consumables particularly the drum developer material and fuser unit and replace them if necessary e When replacing any consumable use steps a to c a Enter the PM support mode Reset the counter corresponding to the replaced consumable part to 0 For further information regarding the PM support mode refer to the Service Manual b Enter adjustment mode 05 Select code 396 Press the START button e Image quality control will be performed and the image quality control value will be initialized c Perform automatic calibration For
257. to the table below and select the menu Printer Features gt Feature Sets Color settings 4 gt Brightness 10 3 x 10 4 x 10 5x Color Settings 2 gt Brightness Printer TOSHIBA e STUDIO4520C H o Presets Standard HH Color Settings 2 H Color Balance Cyan Magenta Image Attribute Sharpness Preview Q Precautions after the completion of the adjustment Nothing in particular Q Remarks The brightness adjustment does not affect black text CMY 100 K 100 or RGB 0 e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 25 3 Printer specific Adjustments 3 8 To Adjust the Overall Saturation The image is printed with a natural saturation Default printing After the adjustment T The saturation is decreased The saturation is increased Q Explanation The saturation of the print image can be easily adjusted by changing the Saturation option on the printer driver e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 26 3 Printer specific Adjustments Q Procedures Both the service technician and the user can use procedure 1 Only if the saturation of R Red is still insufficient even after procedure 1 has been used must the service technician use procedure 2 EE 1 Change the Saturation option on the printer driver e Select the desired value for saturat
258. tones look dull Therefore carefully perform the adjustment while checking the copy image Q Remarks Enter a value within the recommended value range mentioned in the procedures Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 15 2 Copier specific Adjustments 2 4 To Copy in Vivid Colors Before the adjustment After the adjustment When a copy is made without any adjustments The copy image is obtained in vivid colors the vividness is insufficient on the copy image Explanation When a copy is made without any adjustments the vividness may be insufficient on the copy image Perform saturation adjustment color adjustment color balance adjustment or RGB adjustment and color density adjustment in order to obtain a copy image in vivid colors QI Procedures You can start with any of the procedures other than 5 But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 to 3 Only the serv
259. tton d Press the HIGH button in the COMPRESS option Q Precautions after the completion of the adjustment Changing the default compression rate of the scanning functions will affect the quality of originals which will be stored in the Full color including the Auto color or the Gray scale mode Carefully perform the adjustment being aware that the image quality of all future images will be changed when storing originals other than the one that is used for the adjustment Q Remarks If the full color or gray scale image 1s copied or printed and stored in the e Filing box Copy to Box or Print to Box the user can select a desired compression rate when downloading the image using File Downloader on a client PC e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 4 4 e Filing specific Adjustments 4 3 To Store a Color Photo Image while Minimizing Moir Before the adjustment After the adjustment F es TA i FF j F2 4 a Le When the magazine article containing full Storing it in the Printed image mode will color photo images is stored in the Photo reduce moire mode moir is likely to occur Explanation When an original such as a magazine article containing full color photo images is copied in the Full color mode with the Photo mode selected and stored in the e Filing box Copy to Box moir is likely to occur on the photo images It may also occur when i
260. tton to decrease the background density After decreasing the background density copy and check the image quality With the background density set to the minimum if further image quality adjustments are still necessary the service technician must use the next procedure HE 2 Press the BASIC button on the Control Panel Press the button to decrease the copy density Move the copy density indicator to the side for 1 or 2 steps The images seen through the back of the page will no longer be copied But remember that text will also be lightly copied depending on the type of original After decreasing the copy density copy and check the copy image quality With the copy density set to the minimum if the images seen through the back of the page are still copied or if you would like to prevent this problem without changing the copy density of text use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 30 2 Copier specific Adjustments E 3 Enter adjustment mode 05 Change the values for codes 7033 7034 7041 to 7044 7048 and 7049 to adjust the density level of the background value M NE 7041 Manual density Text 05 7042 adjustment Set a value smaller than 128 ee ER Set the value in increments of approximately 25 while checking the copy image until the optimum value 1s obtained After adjusting the background
261. ty of the laser e Decreasing the value will make a photo or gradational image become lighter easily blurring the image but it will increase the gradation On the other hand increasing the value will make the photo or gradational image become darker and clearer but it will decrease the gradation The value to use varies according to the paper type and color to adjust Check the code to use in accordance with the following Code list and refer to the Value list to select a proper value Code Paper type Color to adjust 08 code Paper type Y yellow M magenta Plain paper on 08 2525 K black Full col no de Y yellow Thick M magenta 08 2526 C cyan K black 3 08 2527 Value Value Correction value for intensity of the laser SINS on Ine photo gradational image 0 Value automatically set 100 Light gradation more _ 1 Value automatically set 80 2 Value automatically set 60 3 Value automatically set 40 0 4 Value automatically set 20 O Value automatically set 20 bo oo 4 l Value automatically set 40 Value automatically set 60 Value automatically set 80 10 Value automatically set 100 Dark gradation less lt Hint gt Adjust the values for the following codes in order to adjust colors with RGB Adjustment of R Red Adjust Y Yellow and M Magenta Adjustment of G Green Adjust Y Yellow and C Cyan Adjustm
262. ue range DS 1 DS 2 D 3 Front 05 2934 sec l ETE 2 FRERE paper Full color ETES Tie i Hie 2 i 3 Back 05 2935 l EE 2 RER paper Thick 4 4 E Eee i a Ge thick i E 2 Thick 3 3 Front 05 2936 2 to8 Seca l RL 2 Rested paper paper Black Thick4 8 4 ick 1 ik 2 ik 3 Back 05 2937 2 to 8 Sec l ee 2 LEE paper Thick4 4 Front refers to the printed side in the simplex mode or the side that is delivered facing downwards in the duplex mode Back refers to the printed side that is delivered facing upwards in the duplex mode The table below shows you the acceptable paper weight for the paper type Paper type Acceptable paper weight Plain paper 64 to 105 g m 16 to 20 Ib Bond Thick 1 106 to 163 g m Max 60 lb Cover Thick 2 164 to 209 g m Max 110 Ib Index Thick 3 210 to 256 g m Max 140 Ib Index Thick 4 257 to 280 g m Max 150 Ib Index e After adjusting the transfer roller bias output perform automatic calibration For further information regarding the procedures refer to procedure 2 in 1 1 To Obtain a Darker Image e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 12 1 General Adjustments Copying Printing and e Filing Output from Box lt Hint gt The transfer voltage increases as the set value is increased It is usually desirable that the set value be decreased to obtain a clearly highlighted area After performing
263. umable remember to reset the counter corresponding to it to 0 Otherwise it may cause a loss in MFP performance including degradation in the image quality and a reduction in the life of the consumables While replacing any consumable also check the slit glass in the laser optical unit and thoroughly clean it if it is soiled Q Precautions after the completion of the adjustment e The adjustment may possibly provide extremely dark images decreased resolving power inadequate reproducibility of gradations and extremely light images blurred images faint thin lines Therefore carefully perform the adjustment while checking the copy or print image e No effect of the adjustment may appear depending on the operating environment of the MFP Therefore carefully perform the adjustment while checking the copy or print image Q Remarks e The effect of the adjustment may vary depending on the usage pattern of the consumables such as the developer material and drum and the operating environment of the MFP e When replacing any consumable refer to the relevant information in the Service Manual and Service Handbook e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 1 10 1 General Adjustments Copying Printing and e Filing Output from Box 1 3 To Achieve the Image Quality Most Suitable for the Paper Used To eliminate blur and graininess from an image Before the adjust
264. ur Kids Rate their Favorites Activities for the Family Your Kids Rate their Favorites waler beach Activities Camhal hreade Games Educational Activities Results based o survey of laitwind Premier Kids When a light print image is copied the text The graphic image and text look darker and looks blurred sharper Explanation Perform image processing in order to obtain a sharp and dark copy image when copying an original containing light text and graphic images or a light copy image when copying an original containing a highly colored text and copy image Q Procedures The procedure to use varies depending on whether to adjust the copy image quality in the Black mode Full color mode or Auto color mode Refer to the procedure corresponding to the particular user s request e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 1 2 Copier specific Adjustments 2 1 1 To Adjust the Copy Image Quality in the Black Mode You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used procedure to the original ones Then use other procedures Both the service technician and the user can use procedures 1 2 and 4
265. ures The service technician must perform all adjustments HE EI 1 Enter adjustment mode 05 Change the values for codes 880 to 883 to adjust the gamma curve balance of the low medium and high density areas Original mode 05 code Recommended value Acceptable Default value range Text Photo 05 880 o2 1 2 Set a value smaller than 128 Black 05 881 0 1 2 to decrease the density 0 to 255 05 882 0 1 2 Set a value larger than 128 to increase the density Set the value in increments of approximately 20 while checking the scanned in image until the optimum value is obtained The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted pO Low density area Medium density area High density area Gradation in the Black mode will vary if the medium density area is mainly adjusted But remember that adjusting the low or high density area will rarely affect the gradation in the Black mode Q Precautions after the completion of the adjustment Nothing in particular e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 5 18 5 Scanning specific Adjustments 5 8 To Register the Original Mode Optimal for a Particular Type of Original To have Custom selected LJ Explanation If the value for 05 code is adjusted in existing origi
266. ust the density level of the black logos Color to Recommended Acceptabl i Original mode 05 code Subcode e value adjust value ande K CE ae Set a value larger than Black 05 1795 0 1 2 ee 8 0 to 255 128 05 7983 Set the value in increments of approximately 10 while checking the copy image until the optimum value is obtained The subcode varies according to the area where the density is adjusted Refer to the table below and set the subcode for the area to be adjusted Area where the density is adjusted Low density area Medium density area High density area Q Precautions after the completion of the adjustment The adjustment may possibly cause the highly or deeply colored area such as in a photo to become blurred on the copy Also it may also cause offset failure grained images and degradation in gradation Therefore carefully perform the adjustment while checking the copy image e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 2 49 2 Copier specific Adjustments 2 11 2 To Adjust the Copy Image Quality of a Colored Logo You can start with any of the procedures But it is recommended to perform the procedures in order as listed below You can use one procedure in conjunction with another But if this changes the image quality more than required or loses the effectiveness of the adjustment restore the settings made in the previously used proce
267. usting the sharpness intensity scan and store the original Then print and check the print image quality With the sharpness intensity set to the minimum if moir still occurs use other procedures Hi NE 4 Enter adjustment mode 05 Change the values for codes 1086 to 1088 and 843 to adjust the sharpness intensity in the scanning functions This adjustment will have an effect only on an image stored in the Full color mode or the Gray scale mode Original mode 05 code Recommended value AGED NEO Default value range Full color Gay scale Pe 05843 Set a value smaller than 128 0 to 255 128 Text Photo Black Text Photo Setting 0 provides the softest image while setting 255 provides the sharpest image Q Precautions after the completion of the adjustment When the original containing text and lines is scanned and printed the adjustment may possibly cause the blurred text and lines or a blend of undesired colors Therefore carefully perform the adjustment while checking the scanned in image or printout e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 4 10 4 e Filing specific Adjustments 4 6 To Finely Print the Image Stored in the e Filing box To print images stored through Copy to Box or Print to Box Before the adjustment ey Ge ld LT pam i Copy to Box Print to Box j Copy to Box Print dat Print data Print to Box Print data
268. ustment allows gray areas to always be reproduced using only the K toner As a result color photos may look more grained Therefore carefully perform the adjustment while checking the printouts e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 21 3 Printer specific Adjustments 2 Enter the adjustment mode 05 Change the values for codes 8210 to 8212 and 8249 to 8254 to adjust the judgmental threshold for the Pure Black and Gray setting o SE ine soe SS Oo ps PCL XPS 8250 0 1 2 3 4 1 to 255 1 1 1 8 1 8251 0 1 2 3 4 1 to 255 1 1 1 8 1 General If the default value is 1 change the Pure Black and Gray setting to Off on the Color Settings menu Image Quality Type of printer driver since no value smaller than 1 is provided When Text Graphic amp Image is selected for the Apply to setting on the printer driver setting menu photo areas whose colors are close to black may be treated as black because the larger the value is the wider the area to be printed only with K toner becomes Therefore adjust the value carefully while checking the copied image e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 22 3 Printer specific Adjustments 3 7 To Easily Adjust the Overall Brightness Before the adjustment The image is printed with a natural brightness Default printing
269. vice technician use the next procedure e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 28 3 Printer specific Adjustments NI I 5 Enter adjustment mode 05 Change the value for code 2905 to adjust the transfer 1st transfer roller bias output Adjust the offset voltage of the transfer roller bias for C Cyan and K Black so as to increase the density of R Red e The code to use varies according to the paper type and color to adjust Adjust the value for the subcode corresponding to the color for which you would like to improve the image quality Set the value within a range of 2 to 5 to obtain the highest density of R Red Paper type Color to 05 code Subcode Recommended Acceptable adjust value value range on oe Cyan 2 K Black 05 2905 2 to 5 0 to 10 C E S Thick K Black Never change the values for subcodes other than the above it may cause a loss in MFP performance including degradation in the image quality lt Note gt The adjustment may possibly decrease the density of G Green B Blue and K Black extremely Therefore carefully perform the adjustment while checking the printout e Unless this adjustment changes the density of R Red return the values to the default set value 5 e This adjustment may affect not only the printouts but also every type of image quality such as the copy image Therefore per
270. y the type of original As a result there are As a result consistency is maintained in the variations in gray gray hue LJ Explanation For printing only the K toner is usually used to reproduce gray areas of drawing data lines and text On the other hand all color toners C M Y and K are used to reproduce gray areas of image data such as BMP GIF JPEG and TIFF This provides a deeper gray on the printouts Change the option on the printer driver in order to maintain consistency in the gray hue between the drawing data and the image data e STUDIO2330C 2820C 2830C 3520C 3530C 4520C 2008 TOSHIBA TEC CORPORATION All rights reserved 3 16 3 Printer specific Adjustments QI Procedures Both the service technician and the user can perform all adjustments EE 1 Change the Pure Gray option on the printer driver Pure Gray allows gray areas to always be reproduced using all color toners C M Y and K without changing the hue of color areas This adjustment will be effective only if a file created on a general application such as Microsoft Office is printed It may not be effective if a file created on a graphic application e g Illustrator or a DTP application e g QuarkXPress is printed or a PDF file created on these applications 1s printed For Windows This adjustment will have an effect only on Auto or Color mode printing Open the property page of the printer driver Press the Setting button in

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