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d-copia 12: service manual

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1. 13 Tighten the setscrew ofthe copy lamp unit No 2 3 mirror unit drive pulley 14 Check the image distortion in the same manner as step 10 Repeat procedures 11 to 14 until horizontal image distortion is eliminated Y101700 5 5 1 2 Vertical image distortion adjustment In this adjustment the left and right balance is adjusted by changing the left and right balance of the No 2 scanner unit frame on the front frame side 5 1 2 1 Note e Horizontal image distortion adjustment 5 1 2 2 Cases when the adjustment is required 1 When the copy lamp unit No 2 3 mirror unit drive section is disassembled or its part is replaced 2 When the copy image is distorted as follows 5 1 2 3 Necessary tools e Screwdriver Screwdriver Scale Testchartfor distortion adjustment Make yourself Draw a rectangle on A4 or 8 1 2 x 11 paper as shown below Be sure to make four right angles L L 10mm 5 1 2 4 Adjustment procedure 1 Setthe test chart for image distortion adjustment on the document glass and make a normal copy on a paper of A4 or 8 1 2 x 11 2 Checkimage distortion in the right and the left sides If the both vertical lines are in parallel with each other the rightleft distortion balance is proper However there may be some distortion If allthe four angles are right angles t
2. 4 4 Service Manual 4 2 Operation panel section 4 2 1 List of parts No Part name Ref 1 Operation panel unit 2 Operation PWB 4 2 2 Disassembly procedure 1 Remove the screws 4 pcs the harness and the operation panel unit 2 Remove the screws 3 pcs and the PWB holder 3 Remove the screws 3 pcs and the operation PWB Y101700 5 4 2 3 Assembly procedure For assembly reverse the disassembly procedure 4 3 Optical section 4 3 1 List of parts No Part name Ref Copy lamp unit Copy lamp Lens unit 4 3 2 Disassembly procedure 1 Remove the parts as shown below 1 Y101700 5 2 Remove the screws 2pcs and remove the copy lamp unit from the mirror base drive wire 3 Pullthe copy lamp unittoward you to remove the harness 2 0 Py Il e o o Na 2 SS N A Sy ZA o gt PAS A A LEZ A EY 77 AAA g Q Z Q s BA a 3 4 e N A a Z O ZA 4 N IESEIG A Qi AREA XE 1 ON A x ea Es N SSF o 51 A 3 all ana paume 4 Remove the screw 4 pc and remove the cover Service Manual 4 5 5
3. Q lt Lo eb Lo o oO 2 w O G oO E oO gt O ab w O Cc uN w O uN O 2 O gt O z O BE o u 9 Remove the harness guide Service Manual the gears securely CYCAUTION Attach O SA ao a Y101700 5 13 Remove two screws and remove the fusing connector 14 Remove five screws and the connector and lift the intermediate frame unit to remove 15 Remove the screw and the E ring and remove the PS semi circular earth plate and the PS roller unit 16 Remove the E ring and remove the spring clutch from the PS roller unit PS semi circuler earth plate 4 12 Service Manual 17 Remove three screws and remove the TC front paper guide 18 Remove the screw and the connector and remove the PPD1 sensor PWB Y101700 5 19 Remove two E rings and remove the paper feed roller 4 6 Manual paper feed section 20 Remove three E rings and remove the clutch unit 4 6 1 List of parts No Part name Ref Manual transport roller Cassette detection switch PPD1 sensor PWB Side door detection unit 4 6 2 Disassembly procedure 1 Remove the screw and remove the single upper cover 4 5 3 Assembly procedure For assembly reverse the disassembly procedure Y101700 5 Service Manual 4 13 2 Remove the screw and remo
4. 3 Print key and ready indicator G e Copying is possible when the indicator is on e Use to set a user program Service Manual 1 9 1 9 Motors and solenoids NO No Partname Control signal Function operation 1 TM Tonermotor Supplies toner Mirror motor MRMT Drives the optical mirror base Scanner unit Cooling fan motor VFM Cools the optical section Main motor MM Drives the copier Resist roller solenoid Resist roller rotation control solenoid Paper feed solenoid Cassette paper feed solenoid 1 1 10 Service Manual Y101700 5 1 10 Sensors and switches A 2 Mirrorhome Mirror scanner unit position sensor Transmission sensor home pos detection H at home pos POD sensor Transmission sensor Paper exit detection H at paper pass SPPD sensor Transmission sensor Paper transport detection L at paper pass PPD2 sensor Transmission sensor Paper transp detection 2 L at paper pass Cassette detect Cassette installation switch Microswitch installation H at cass insert PPD1 sensor Transmission sensor Paper transp detection 1 L at paper pass PPD3 sensor Transmission sensor Paper transp detection 3 L at paper pass Door switch Microswitch Door open close detect 1 or OV or 5V at safety switch for 5V door open Door switch Microswitch Door open close detect 1 or OV or 24Vat safety switch for 24V door open Y10170
5. Copy image dimensions Le 100 Original dimension Reference 6 Check that the actual copy magnification ratio is within the specified range 100 1 0 If itis not within the specified range perform the following procedures 7 Execute SIM 48 1 to select the sub scanning direction copy magnification ratio adjustment mode To select the adjustment mode use the copy mode select key Photo exposure lamp ON 8 Enter the new set value of sub scanning direction copy magnification ratio with the copy quantity set key and press the COPY button Repeat procedures 1 8 until the sub scanning direction actual copy magnification ratio in 100 copying is within the specified range When the set value is changed by 1 the magnification ratio is changed by 0 1 5 2 3 Lens unit attachment reference Attach the lens unit so that the lens unit number on the lens adjustment plate is aligned with the scribe line on the base plate Lens unit number direction Reference line 0 direction Example Lens unitnumber 2 8 Attach the lens unit at 2 scales in the paper exit direction from the reference line Note Nevertouch the other screws than the unit attachment screw The lens unit is supplied only in a whole unit 5 6 Service Manual Comparison point Original Scale
6. Do not expose the drum cartridge to direct sunlight Doing so will damage the surface green portion of the drum cartridge causing poor print quality Store spare supplies such as drum cartridges and TD cartridges in a dark place without removing from the package before use If they are exposed to direct sunlight poor print quality may result Do not touch the surface green portion of the drum cartridge Doing so will damage the surface of the cartridge cau sing poor print quality Service Manual 2 1 2 3 Checking packed components and 2 Use a coin or suitable object to remove the screw accessories Store the screw in the paper tray because it will be used if the copier has to be moved Open the carton and check if the following components and accessories are included Power cord T L lt Interface LA cable q gt 2 6 Developer unit installation 1 2 3 Open the side and front cabinets of the copier AA 4 Removethe locking tape of the developer unit Copier A 5 Remove the screw whichis fixing the copier and Developer unit Drum cartridge 6 Remove Developer unit slowly from the copier installed in copier 2 4 Unpacking Be sure to hold the handles on both sides of the copier to unpack the copier and carry it to the installation location 2 5 Removing protective packing 7 Remove the screw 1 pc materials 8 Remove Upper developer unit 1 Remove pieces of tape an
7. 24 When 40 is set to Gat3 Text Exp1 40 50 24 34 Then set the GAMMA ADJUST register set value to 34 Perform the same procedure for each mode and each Exp The above table may subject to change For the gradient there is a similar table though not specified here The value set with SIM 46 however is not reflected The AE mode Exp selection is not specified but corresponds to the grades for AE exposure selection in the former models Y101700 5 Service Manual 6 11 Gamma table setup When this simulation is executed the currently set gamma table code number is displayed Enter the code number corresponding to your desired gamma table and press the PRINT switch and the setup will be changed Code number Gamma table Japan EX Japan Front rear scan direction Outline 1 Front rear scanning direction magnification ratio auto correction Performed by changing the set value of ZOOM DATA register for asic The width of the reference line marked on the shading correction plate is scanned to perform the front rear direction magnification ratio adjustment automatically Performed by changing the set value of ZOOM DATA register for ASIC 2 Front rear scanning direction magnification ratio manual correction Used to set the front rear main scanning direction magnification ratio by key operations Performed by changing the set value of ZOOM DATA register for ASIC 3 Scanning direction magnification
8. 2 With RSPF Second cassette setup Operation Procedure 1 When this simulation is executed the currently set code number of the second cassette is displayed 2 Enterthe code number and press the Start key The setting is changed Second cassette 0 Without second cassette 1 With second cassette 6 6 Service Manual Y101700 5 26 04 Machine duplex setup Operation Procedure 1 When this simulation is executed the currently set duplex code number is displayed 2 Enter the code number corresponding to the duplex and press the ENTER key and the setup will be changed Code number Without duplex With duplex Destination setup Operation Procedure 1 When this emulation is executed the currently set destination code number is displayed 2 Enter the code number corresponding to the destination and press the START key and the setting will be changed Code number Destination Inch series EX AB series Japan AB series 07 Machine conditions check Operation Procedure When this simulation is executed the current machine setting is displayed Copy quantity display 10 The machine type is shown with the lamp display e No setup None e BTA A AE mode lamp ON e BTA B TEXT mode lamp ON e BTA C Photo mode lamp ON Y101700 5 Service Manual 6 7 20 Rear edge void setup Operation Procedure 1 When this simulation is executed the currently set code number of rear edge void setting is displayed 2 Enter the code number of rea
9. HARDDENCD STAINLESS Paper feed direction HARDDENCD STAINLESS 5 2 4 Image position adjustment There are following five kinds of image position adjustments which are made by laser control except for the image scan start position adjustment For the adjustments SIM 50 01 and SIM 50 10 are used Print start position Image lead edge void amount Image scan start position Image rear edge void amount Center offset Toselectthe adjustment mode with SIM 50 01 use the copy density select key Therelationship between the adjustment modes and the lighting lamps are as shown in the table below Adjustment mode Lighting lamp Print start position Auto AE lamp Image lead edge void amount Manual TEXT lamp Image scan start position Photo lamp Image rear edge void amount Auto Manual Photo lamps To select the adjustment mode with SIM 50 10 use the copy mode select key Y101700 5 The relationship between the adjustment modes and the lighting lamps are as shown in the table below Machine with the multi manual paper feed unit Lighting lamp Auto Cassette Adjustment mode Print center offset cassette Print center offset manual feed Auto Manual Document center offset Auto Manual Machine with the single manual paper feed unit Print center offset cassette Auto Cassette Print center offset manual feed Auto Auto Manual Document center offset 5 2 4 1 L
10. Se TOWd AJHNId YOLON NODATOd HOLOALAG LIXA dad d dlONITOS H gt ATION LSISSH cMSd SOLDI ari SNO vOLOL rsa NOILLO3130 En HLOIM HAdVA 1539 ai CIONS 10S ZNS LILLISSYO SOLO 0373 HdidWd IND HOLO3143g Alda AVAL SNO ECT LINN AMd NOW Y101700 5 Service Manual 8 2 9 USER PROGRAM The conditions of factory settings can be changed according to the use conditions 9 1 Functions that can be set with the user program Contents Factory Setting Auto clear time When acertain time is passed after the completion of copying this 60 sec function returns to the initial state automatically The time to reach the initial state can be set in the range of 30 sec to 120 sec by the unit of 30 sec This function can be disabled Preheat When the copier is left unused with the power ON the power consumption is automatically reduced to about 40Wh H Note The time to start this function can be set in the range of 30 sec to 90 sec by the unit of 30 sec This function cannot be disabled When this function is operated the pre heat lamp on the operation panel lights up To return to the initial state press any key on the operation panel When the COPY button is pressed a copy is made after returning to the initial state Auto shut off When the copier is left unused with the power ON the power consumption timer is automatically reduced to about 18Wh H Note The time to start this fun
11. however the paper feed latch is in contact with the projection of the clutch sleeve rotation of the drive gear is not transmitted to the pick up roller which does not rotate After about 0 1 sec from when the main motor starts rotating the tray paper feed solenoid PFS turns on momentarily This disengages the paper feed latch from the projection of the clutch sleeve transmitting rotation of the pick up drive gear to the paper feed roller shaft rotating the pick up roller to feed the paper 4 After more than half rotation of the pick up roller the 3 6 paper feed latch is brought in contact with the projection of the clutch sleeve stopping rotation of the pick up roller Service Manual 5 Atthis time the paper is fed pastthe paper entry detection 6 switch PPD1 and detected by it After about 0 15 sec from detection of paper by PPD1 the tray paper feed solenoid PFS turns onso thatthe clutch sleeve projection comes into contact with the paper feed latch to stop the pick up roller Then the pick up roller rotates for about 0 15 sec so that the lead edge of the paper is evenly pressed on the resist roller preventing against skew feeding To release the resist roller the tray paper feed solenoid and the resist solenoid are turned on by the paper start signal to disengage the resist start latch from the
12. 46 01 Copy density adjustment Outline Used to adjust the copy density in each copy mode The copy density can be set by changing the set value of ASIC GAMMA ADJUST register Setting in each copy mode is performed at exposure level 3 When the copy density exposure is adjusted arbitrarily the max and min exposure levels are automatically calculated and set The change amounts gradient change amount at level 1 5 are predetermined Operation Procedure 1 When this simulation is executed warming up and shading are performed and the current set value is displayed in two digits 2 Press the copy mode select key to select each setting mode and setting display The copy mode setting is indicated with the following lamps as shown below 3 Change the setting with the value up down key and press the START key anda copy will be made with the entered set value 4 Press the clear key to store the set value and exit the simulation AE mode AE mode lamp TEXT mode TEXT mode lamp PHOTO mode PHOTO mode lamp TS mode TEXT TEXT mode lamp amp PHOTO mode lamp TS mode AE AE mode lamp amp PHOTO mode lamp Relationship between the displayed values and the GAMMA ADJUST register Tee ese ee ee se The value displayed after execution of this simulation can be set in the range of 0 99 with 50 as the center value When the text mode set value is Gat3 for example the GAMMA ADJUST register value set at Exp 1 is Text Exp1 Gat3 50
13. 9 11 Attach the drum fixing plate and the photoconductor drum Apply grease to the inside ofthe photoconductor drum Attach the drum Prevention against the sub blade edge breakage Attach the drum so that its position with the sub blade is as shown 12 Attach the drum cover Y101700 5 4 1 3 Disassembly procedure 1 Pressthe side cover open close button and open the side cover Y101700 5 2 Push up the lock pawls 2 positions of the side cover and remove the transfer charger Lock pawl rear Transfer charger Lock pawl front 4 1 4 Assembly procedure For assembly reverse the disassembly procedure 4 1 5 Charger wire cleaning 1 Remove the charger cleaner from the manual paper feed unit Service Manual 4 3 2 Set the charger cleaner to the transfer unit and move it reciprocally a few times in the arrow direction shown in the figure below 4 1 6 Charger wire replacement 1 Remove the TC cover and remove the screw 2 Remove the spring and remove the charger wire 3 Install a new charger wire by reversing the procedures 1 and 2 At that time be careful of the following items e The rest of the charger wire must be within 1 5mm e The spring hook section charger wire winding section must be in the range of the projection section Be careful not to twist the charger wire Protrusion
14. CCD circuit is processed under the revised conditions and sent to the LSU laser unit as print data Electric signal Photo signal laser beam conversion 5 TheLSU emits laser beams according to the print data Electrical signals are converted into photo signals 6 The laser beams are radiated through the polygon mirror and various lenses to the OPC drum Printing 7 Electrostatic latent images are formed onthe OPC drum according to the laser beams and the latent images are developed to be visible images toner images 8 Meanwhile the paper is fed to the image transfer section in synchronization with the image lead edge 9 After the transfer of toner images onto the paper the toner images are fused to the paper by the fusing section The copied paper is discharged onto the exit tray Y101700 5 Service Manual 3 1 3 2 Scanner section 3 2 1 How to scan documents Sub scanning direction Sensor scanning area The scanner has sensors that are arranged in a line These sensors scan a certain area of a document at a time Main and deliver outputs sequentially When the line is finished the ale next line is scanned and this procedure is repeated The figure on the side shows the case where the latter two sections of an image which are scanned are shown with solid lines and the former two sections which are being transmitted are shown with dotted lines The direction of this line is called main scanning direc tion a
15. N UNSICHTBARE LASERSTRAMLUNG WENN ABDECKUNG GE FENET UND OSYNLIG LASEASTRALNING NAR DENNA DEL A Be OCH SP RRAR AA Laserstrahl VORSICHT SIGHERHENSVEARIEGELUNG UBERERUCKT NICHT DEM STRAHL AUSSETZER VARNING URKOPPLADE STR LEN AF FARLIG BETRAKTA Ed ST N USYNLIG LASEASTRA ING VED ABNING NAR SIKKERHEDSAFBRYDERE ER AVATTAESSA JA SUOJALUKITUS ONITETIAESSA OLET ALTTINA N amp KYMETONTS ADVARSEL NG VARO WOE AF FUNK FIOM UNOGA WOSAETTELSE FOR S The foregoing is applicable only to the 220V modal 230V model and 240Y model vi LASEBSATERYLLE ALA KATSO S TEESEEN VAROITUS LAITTEEN K YTT MINEN MUULLA KUIN T SS KAYTTOOHJEESSA MAINITULLA TAVALLA SAATTAA ALTISTAA K YTT J N TURVALLISUUSLUOKAN 1 YLITT V LLE NAKYMATTOMALLE LASERSATEILYLLE VARNING OM APPARATEN ANVANDS PA ANNAT SATT AN DENNA BRUKSANVISNING SPECIFICERATS KAN ANVANDAREN UTSATTAS FOR OSYNLIG LASERSTRALNING SOM OVERSKRIDER GRANSEN FOR LASERKLASS 1 CLASS 1 LASER PRODUCT J LASER KLASSE 1 LUOKAN 1 LASERLAITE KLASS 1 LASER APPARAT Service Manual Y101700 5 1 GENERAL 1 1 Main features The d Copia 12 copier has the following major characteristics Y101700 5 High speed laser copying Since warm up time is zero copying can be started immediately after the power switch is turned on First copy time is only 9 6 seconds normal mode Copying speed is 12 copies min which adapts to busi ness use allowing improvement of worki
16. circuit ASIC trouble Feeding is not completed When the mirror base is returned for the specified time within the specified 6 sec in mirror initializing after turning on the power the time after starting feeding mirror home position sensor MHPS does not turn OFF Or when the mirror base is fed for the specified time about 6 sec after start of copy return the mirror home position sensor MHPS does not turn OFF Return is not completed When the mirror base is returned for the specified time within the specified time 6 sec in mirror initializing after turning on the power the mirror home position sensor MHPS does not turn ON Or when the mirror base is returned for the specified time about 6 sec after start of copy return the mirror home position sensor MHPS does not turn ON Main motor lock When the main motor encoder pulse is not detected for 100 msec Polygon motor lock The lock signal specified rom signal does not return within a certain time about 20 sec from starting the polygon motor rotation Thermistor open The fusing thermistor is open detection Heat roller abnormally The fusing temperature rises above 240 C high temperature Heat roller abnormally The fusing temperature does not reach 185 C within 27 sec low temperature of turning on the power or the fusing temperature keeps at 140 C 6 16 Service Manual Y101700 5 Trouble content Detail of trouble Counter sum check error When the c
17. from item 5 and later e fthere is no damage execute the procedure of item 12 4 Remove the main charger Cleaning the screen grid and the sawteeth Service Manual 4 1 5 Remove the cleaning blade Note Dispose the cleaning blade which was removed 6 Clean the cleaning section and the waste toner pipe to remove waste toner completely with a vacuum cleaner 7 Remove the felt and duplex tape completely Note Be careful not to scratch or bend the sub blade 8 Attach the cleaning blade Securely insert the plate section of the cleaning blade into the unit and fix it with a screw Do not touch the cleaning blade rubber with your hand When attaching the cleaning blade press the cleaning blade in the arrow direction and attach 9 Attach the felt 0 3mm Omm 4 2 Service Manual Attach the mocket with slightly pressing the cleaning blade Do not touch the tip of the cleaning blade Do not put the mocket under the cleaning blade Do not put the mocket on the sub blade Do not press the sub blade with the mocket 10 Attach the main charger Securely set the MC holder on the projection of the process frame Securely insert two projections of the MC holder into the groove in the process frame When attaching the MC holder ass y be careful not to make contact with the cleaning blade
18. setting will be changed For any number different from the following ones the default time is automatically set Code number 0 1 2 3 4 5 6 7 8 9 Side void setup Operation Procedure Setting Default 330 msec 40 msec 30 msec 20 msec 10 msec Default 330 msec 10 msec 20 msec 30 msec 40 msec 1 When this simulation is executed the currently set code number of the side void amount is displayed 2 Enter the code number and press the start key The setting is changed OON O O WN O Service Manual 0 mm 0 5 mm 1 0 mm 1 5 mm 2 0 mm Default 2 5 mm 3 0 mm 3 5 mm 4 0 mm 4 5 mm 5 0 mm 6 9 Paper sensor status display The paper sensor status is displayed with the lamps on the operation panel Display Toner cartridge replacement lamp JAM lamp Developer cartridge replacement lamp AE lamp Exposure level 1 Light lamp Paper detection before resist PPD1 Fusing section paper detection PPD2 Paper exit paper detection POD Single manual feed paper detection MFD Cassette A4 width detection PSW1 2 Enter the code number and press the START key and the setting will be changed 6 10 Service Manual 43 01 Fusing temperature setup Normal copy Operation Procedure 1 When this simulation is executed the currently set code number is displayed Code number Set temperature C 175 180 185 190 195 Default 200 Y101700 5
19. table adjustment Copy mode Magnification Front rear scan ditrection ratio correction Lead edge Lead edge image position adjustment adjustment Paper lead edge rear edge void adjustment Paper center offset OC Document center offset Timing Resist quantity adjustment adjustment Laser system Pligon motor check HSYNC output check operation Shading Shading check Self print Self print only with the engine 1 by 2 mode 6 2 Service Manual Y101700 5 Main code Mirror scan operation Operation Procedure O O1 h O O O O O O O O N N 6 N 1 When this simulation is executed the mirror home position is detected Sensor name Display lamp Mirror home position sensor OPC drum cartridge replacement lamp When the _START key is pressed scanning is executed at the speed corresponding to the currently set copy magnification ratio The copy magnification ratio can be arbitrarily set with the magnification ratio select key zoom key Operation panel display check When the PRINT switch is pressed the LED on the operation panel is lighted for 5 sec Fusing lamp ON cooling fan HIGH LOW speed Operation Procedure When the START key is pressed the fusing lamp repeats ON 500ms and OFF 500msec 5 times During this period the cooling fan rotates in the high speed mode After completion of the operation the cooling fan rotates in the low speed mode Copy lamp ON Operation Procedure When the
20. with No 2 3 mirror unit bring the copy lamp unit into contact with the right frame and fix the copy lamp unit to the drive wire Procedures 1 to 8 are for adjustment of mechanical horizontal parallelism The copy lamp unit and No 2 3 mirror are fixed to the specified positions and the mechanical horizontal parallelism of No 2 3 mirror is adjusted Then the optical horizontal parallelism must be adjusted in the following procedures Copy lamp unit projection 9 Set the image distortion check chart on the document table and make a reduction copy 75 on an A4 or 11 x 8 1 2 paper with the document cover open Image distortion check chart Y101700 5 10 Check the horizontal image distortion If LL LR there is no horizontal distortion LL and LR Distance between the copy image horizontal line and the edge of the black LL LR background Black background 11 If LL is not equal to LR perform the following procedure Loosen the setscrew of the copy lamp unit No 2 3 mirror unit drive pulley in the front or the rear frame ye Set screw EOS Scanner unit drive pulley 12 Without moving the copy lamp unit No 2 3 mirror unit drive pulley shaft manually turn the copy lamp unit No 2 3 mirror unit drive pulley whose setscrew was loosened and adjust the parallelism of copy lamp unit No 2 3 mirror unit
21. 0 5 Service Manual 1 11 PWB unit Exposure lamp invertor PWB GDI PWB Main PWB MCU Memory PWB 4MB LSU PWB LSU motor PWB TCS PWB Operation PWB CCD sensor PWB Power PWB Exposure lamp Xenon lamp control For GDI interface Copier control Formemorizing data For laser control For polygon motor drive For toner sensor control Operation input display For image scanning AC power input DC voltage control High voltage control Service Manual Y101700 5 1 12 Cross sectional view Paper exit roller Roller for paper exit Lens unit Scans the original image with the lens and the CCD LSU Laser unit Converts the original image signal into laser beams and writes onto the drum Main charger Provides negative charges evenly to the drum surface Scanner unit Illuminates the original with the copy lamp and passes the reflected light to the ens unit CCD Exposure lamp Exposure lamp Xenon lamp Illuminates original Heat roller Fuses toner on the paper Teflon roller Pressure roller Fuses toner on the paper Silicon rubber roller Drum Forms images Transfer unit Transfers images onto the drum Manual paper feed roller Transport the paper from the manual paper feed port PS roller unit Takes synchronization b
22. Copier d Copia 12 SERVICE MANUAL Code Y101700 5 PUBBLICATION ISSUED BY Olivetti TECNOST S p A Documentazione 77 Via Jervis 10015 Ivrea Italy Copyright 2002 Olivetti All rigths reserved This productis a class 1 laser product that complies with 21 CFR 1040 10 and 1040 11 of the CDRH standard and IEC825 This means that this machine does not produce hazardous laser radiation The use of controls adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure This laser radiation is nota danger to the skin but when an exact focusing of the laser beam is achieved on the eye s retina there is the danger of spot damage to the retina The following cautions must be observed to avoid exposure of the laser beam to your eyes at the time of servicing 1 When a problem in the laser optical unit has occurred the whole optical unit must be exchanged as a unit not as individual parts 2 Do not look into the machine with the main switch turned on after removing the developer unit toner cartridge and drum cartridge 3 Do not look into the laser beam exposure slit of the laser optical unit with the connector connected when removing and installing the optical system 4 The middle frame contains the safety interlock switch Do not defeat the safety interlock by inserting wedges or other items into the switch slot CAUTION VARO INVISIBLE LASER RADIATION AVATTA
23. ESSA JA SUOJALUKITUS WHEN OPEN AND INTERLOCKS DEFEATED ee j aA o iii NAKYMATTOMALLE LASERSATEILYLLE ALA CLASS 1 KATSO SATEESEEN LASER PRODUCT VORSICHT ADVARSEL UNSICHTBARE LASERSTRAHLUNG USYNLIG LASERSTRALNING VED ABNING NAR LASER KLASSE 1 WENN ABDECKUNG GE FFNET UND SIKKERHEDSBRYDERE ER UDE AF S CHERHEITSVERRIEGELUNG UBERBRUCKT FUNKTION UNDGA UDSAETTELSE FOR NICHT DEM STRAHL AUSSETZEN STRALNING VARNING LASER WAVE LENGTH 780 795 OSYNLIG LASERSTRALNING NAR DENNA DEL ii AR PPNAD OCH SPARREN AR URKOPPLAD Out put power 0 20 0 03 mW BETRAKTA EJ STRALEN STRALEN AR FARLIG Y101700 5 Service Manual V At the production line the output power of the scanner unit is adjusted to 0 57 MILLI WATT PLUS 20 PCTS and is maintained constant by the operation of the Automatic Power Control APC Even if the APC circuit falls in operation for some reason the maximum output power will only be 15 MILLI WATT 0 1 MICRO SEC Giving an accessible emission level of 42 MICRO WATT which ts still less than the limit of CLASS 1 laser product Caution This product contains a low power laser device To ensure continued safety do not remove any cover or attempt to gain access to the inside of the product Refer all servicing to qualified personnel CAUTI WWISIBLE LAGER AADIAFIGN WHEN OPEN AND INTERLOGKS DEFEATED ADVERSEL LSYNUG LASERSTAALING NAA DEKSEL PRES 06 SIKKERHEDSLAS BAYTES AVOID EXPOSURE TO BEAM UN EKSPONERING FOA ST
24. Fixing Screws 4 Manually turn the copy lamp unit No 2 3 mirror unit drive gear to bring No 2 3 mirror unit into contact with No 2 3 mirror unit positioning plate When No 2 3 mirror unit makes contact with No 2 3 mirror unit positioning plate in the Freat and rear frameside simultaneously the mechanical parallelism of No 2 3 mirror unit is proper If one side of No 2 3 mirror unit makes contact with No 2 3 mirror unit positioning plate and the other side does not the parallelism is improper If the parallelism is improper perform the procedure of step 5 Y101700 5 Service Manual 5 1 5 Loosenthe copy lamp unit No 2 3 mirror unit drive pulley setscrew in the side where No 2 3 mirror unit does not make contact with No 2 3 mirror unit positioning plate yr Set screw Scanner unit drive pulley 6 Without moving the copy lamp unit No 2 3 mirror unit drive pulley shaft manually turn the copy lamp unit No 2 3 mirror unit drive pulley in the same direction of the loosened setscrew When it makes contact with No 2 3 mirror unit positioning plate tighten and fix the setscrew 5 2 Service Manual 7 Manually turn the copy lamp unit No 2 3 mirror unit drive gear to bring No 2 3 mirror unit into contact with the positioning plate and perform the procedure of step 4 Repeat procedures of steps 4 to 7 until the parallelism of No 2 3 mirror unit is properly set 8 With No 2 3 mirror unit positioning plate in contact
25. Remove the screws 2 pcs the harness and the optical unit When installing the lens unit refer to Lens unit installation reference in the next chapter 4 3 3 Assembly procedure Basically reverse the disassembly procedure The mirror base drive wire and the lens drive wire stretching methods are described below a Mirror base drive wire stretching 1 Hook the metal fixture of the mirror base drive wire on the projection of the optical base plate 2 Pass the wire through the external groove of the double pulley At that time check that No 2 3 mirror unit is in contact with the mirror base positioning plate 3 Holdsothatthe winding pulley groove is up and wind the mirror base drive wire 9 turns 4 Putthe 8thturn ofthe mirror base drive wire in the winding pulley groove and fix with a screw 5 Pass the wire under No 2 3 mirror unit plate and wind it around the pulley 6 Pass the wire through the internal groove of the double pulley and pass through the pulley 7 Hook the spring hook on the optical base plate 4 4 Fusing section 4 4 1 List of parts No Part name Ref Thermistor PPD2 sensor Heater lamp Pressure roller Heat roller 4 4 2 Disassembly procedure 1 Remove the connectors 3 pcs of the rear cabinet 2 Open the side cover remove two screw
26. START key is pressed the copy lamp is lighted for 5 sec Paper feed solenoid ON Operation Procedure When the START key is pressed the paper feed solenoid selected by the tray select key repeats ON 500ms and OFF 500ms 20 times Resist solenoid ON Operation Procedure When the START key is pressed the resist solenoid RRS repeats ON 500ms and OFF 500ms 20 times O N ok Warm up display and aging with jam Operation Procedure When the simulation is executed warming up is started Warm up time is counted and displayed every second on the copy quantity display After completion of warm up the time count is stopped and the ready lamp is lighted Press the clear key to clear the warm up time display set the copy quantity and press the START key and the machine will copy the set quantity repeatedly Intermittent aging Operation Procedure 1 When the simulation is executed warming up is started 2 After completion of warm up the ready lamp is lighted 3 Set the copy quantity and press the START key and the machine will copy the set quantity repeatedly 4 After 3 sec of the interval time from completion of copying the set quantity the machine will resume copying 5 The above operation 4 is repeated Y101700 5 Service Manual 6 3 Main code N O N O O Sub code O O N O oo NO None None None O O Developing bias Ope
27. Set the print start position A AE ON the lead edge void amount B TEXT ON the scanning start position C PHOTO ON to zero and make a copy of a scale at 100 2 Measure the image loss R mm of the scale Set as C 10 R mm Example Distance from the paper Example Set to 30 lead edge to the image When C is increased by 10 the image loss H 5mm is decreased by 1 mm Default 5 3 Measure the distance H mm from the paper lead edge to the image print start position Set as A 10 R mm Example Set to 50 When the value of A is increased by 10 the image lead edge is shifted toward the paper lead edge by 1 mm Default 50 4 Set the lead edge void amount as B 50 2 5 mm Default 50 When the value of B is increased by 10 the void is increased by about 1 mm For 25 or less however the void amount becomes zero Y101700 5 Service Manual 6 13 6 14 Paper center offset OC Document center offset Outline The center offset position of copy image on the copy paper and that of document scan are adjusted by adjusting the scan left margin of ASIC and the print left margin register set value Operation Procedure 1 When this simulation is executed the currently set value is displayed 2 When the copy mode select key is pressed each set mode and display are changed Machine with single manual paper feed Adjustment mode Display lamp Print center offset Cassette paper fee
28. Sub scanning direction copy magnification ratio Before performing this adjustment the following adjustments must have been completed If not this adjustment cannot be performed properly e Image distortion adjustment e Must be installed to the lens unit reference position Y101700 5 Service Manual 5 Calculate the main scanning direction magnification ratio Main scanning direction magnification ratio Copy image dimensions a ET I Original dimension Original Scale ABR SDSS STA ALE 150 J ABR SDSS STA MLE 150 O y Comparison point Copy t 5 2 2 1 Cases when the adjustment is required 1 Whenthe lens andthe mirror unit are disassembled or the part is replaced When the scanner unit drive section is disassembled or the part is replaced When the main PWB is replaced When the EEPROM in the main PWB is replaced When U2 trouble occurs When the copy image distortion adjustmentis performed N 0 O Ol 5 2 2 2 Necessary tools e Screwdriver e Scale 5 2 2 3 Adjustment procedure 1 Set the scale on the document table as shown below Use a long scale for precise adjustment Set the copy magnification ratio to 100 Make a copy on A4 or 81 2 x 11 paper Measure the length of the copied scale image Calculate the sub scanning direction copy magnification ratio
29. aintenance cycle setup Valid only when the destination is set to Japan AB series The current set code of maintenance cycle is displayed Initial display and the set data is stored 5 000 sheets Default 10 000 sheets Free 999 999 sheets Service Manual Y101700 5 Main code Sub code code Y101700 5 Maintenance mini maintenance counter display The display is the same as the total counter value display When the destination is set to other than Japan AB series the maintenance counter is displayed When the destination is set to Japan AB series the mini maintenance counter is displayed The display is the same as the total counter value display Maintenance mini maintenance preset display The preset value corresponding to the code set in 21 01 and 21 02 The display is the same as the total counter value display When the destination is set to other than Japan AB series the maintenance preset value is displayed When the destination is set to Japan AB series the mini maintenance preset value is displayed Total counter display The total count value is displayed in 3 digits 2 times repeatedly lt Display example 12345 gt 012 Blank 345 Blank 012 0 7s 0 3s 0 7s 1 0s 0 7S Developer counter display The display method is the same as the total count value display Drum counter display The display method is the same as the total count value display P ROM version display The P ROM version is dis
30. allation of a new toner cartridge allows to display the remaining quantity Y101700 5 Service Manual 7 1 ELECTRICAL SECTION 8 8 1 Block diagram 8 1 1 Overall block diagram AA wee ee AAA PEPE NdNI OV pun 1014400 aeon y IH JIMA NOW Loser ee a L Lu Ls A A A p et 4 2030 koas Esaa Cao Saw own Emsa kada Caa 004 i I I 1 50 N ad Eee NS HOLIMS ADOTH3_LNI a as NN wsas lt WSHO NdO y gt uondo o Z O eO T Z O AHONIN 105 uondo 2 lt na 0 YOUMS lasy ewed ENSIA pajuud EGNO x YISVI g0uajajay I OEN weep 49019 ECAC AMd NOW WAINd s 8 1 Service Manual Y101700 5 8 2 MCU PWB uni 431108 1SIS3H 4B3N LINN HISN4 ul caddd CHOLDOILIO Y43dYd HOLSINHIH dN dy Lw3H IDEA NIYIN USD HYHO HIASNWHL TOHLNOO dildo HOSNIS Ad NI HLH MOOTHILNI bHOLOALAC Yi dYd LOdd SMSU A TZ N 91419313 LINN TOYLNO TASAQ ENO ZENO 6019 COLII LOLOI 6OLOI COLOI OLLOI SOLO HLA s 891 91 LOI HOSNIS HOLOW NOILISOd yoron HOHHIN ZINO T8zNO SOLOI clLOl HOSNAS IN OH NIYIN HOHHIIN SdHIN HOSNIS LINN SSFIIOHA MAN gaMd 340 ATA 1540 GNIM LNIM Sd ELLO
31. ate is kept for 10 sec and the level of one pixel at the center is detected every second to display on the value display section Service Manual Y101700 5 64 1 Self print only with the engine 1 by 2 mode Outline Used to print in the 1 by 2 mode by ignoring the state of the optical system Operation Procedure 1 When this simulation is executed warming up is made and the ready lamp is lighted 2 Select with the cassette select key and press the start key Paper is fed from the cassette and printing is performed In the 1 by 2 mode one line is printed and two lines are not printed Y101700 5 Service Manual 6 15 6 2 Trouble codes 6 2 1 List of Trouble Codes Main code Sub code Trouble content Detail of trouble HSYNC not detected LSU laser diode reception element APC circuit trouble LSU drive circuit ASIC trouble CCD white level trouble CCD drive circuit CCD PWB ASIC harness trouble Copy lamp lighting trouble Copy lamp invertor PWB CCD black level trouble CCD drive circuit CCD PWB ASIC harness trouble Shading trouble White Dirt on white plate for scanning white level correction ASIC connection trouble Improper connection between CPU and ASIC pattern cut improper connection of lead pin Copy lamp disconnection Copy lamp or copy lamp drive circuit invertor PWB trouble trouble Copy lamp disconnection Abnormal output of laser LSU laser diode reception element APC circuit trouble LSU drive
32. clutch sleeve projection transmitting rotation of the resist drive gear to the resist roller shaft Thus the paper is transported by the resist roller After the resist roller starts rotating the paper is passed through the pre transfer guide to the transfer section Images are transferred on the paper which is separated fromthe OPC drum by the drum curve and the separation section 8 The paper separated from the drum is passed through the fusing paper guide the heat roller fusing section POD paper out detector to the copy tray m Y101700 5 4 DISASSEMBLY AND ASSEMBLY Before disassembly be sure to disconnect the power cord for safety The disassembly and assembly procedures are described for the followingn sections 1 High voltage section 2 Operation panel section 3 Optical section 4 Fusing section 5 Cassette paper feed transport section 6 Manual paper feed section 7 Rear frame section 8 Power section 4 1 High voltage section 4 1 1 List of parts No Part name Ref Drum Transfer charger unit Charger wire 4 1 2 Drum replacement 1 Remove the drum cover 4 Lock Tabs Y101700 5 2 Remove the drum fixing plate and the photoconductor drum Note Dispose the drumfixing plate which was removed 3 Checkthe cleaning blade and the red feltfor no damage e If there is any damage execute all procedures
33. control 1 The heater lamp thermistor main PWB DC power supply PWB and triac within the power supply unit are used to control the temperature in the fuser unit To prevent against abnormally high temperature in the fuser unit athermal breaker and thermal fuse are used for safety purposes Heated by the heater lamp 950 W Safety device thermal breaker thermal fuse The surface temperature of the upper heat roller is sensed by the termistor Level of the thermistor is controlled by the Triac in the power main PWB supply unit With the signal from the main PWB the triac is controlled on and off power supply PWB 2 The surface temperature of the upper heat roller is set to 165 C 190 C The surface temperature during the power save mode is set to 100 C 3 The self check function comes active when one of the following malfunctions occurs and an H is displayed on the multicopy window a Whenthe heat roller surface temperature rises above 240 C b When the heat roller surface temperature drops below 100 C during the copy cycle c Openthermistor Open thermal fuse e When the heat roller temperature does not reach 190 C within 27 second after supplying the power e 4 Fusing resistor Fusing resistor This model is provided with a fusing resistor in the fusing section to improve transfer efficiency General descriptions are made in the following General descriptions Since the up
34. ct the image rear edge void amount adjustment mode The set adjustment value is displayed on the copy quantity display 3 Make acopy and measure the void amount of image rear edge Void amount Standard value 2 3mm Scale image Paper rear edge 4 Ifthe measurement value is out of the specified range change the set value and repeat the adjustment procedure The default value is 50 Note The rear edge void cannot be checked with the first sheet after entering the simulation mode the first sheet after turning off on the power or the first sheet after inserting the cassette Use the second or later sheet to check the rear edge void 5 2 4 3 Center offset adjustment 1 Set the self made test chart for the center position adjustment so that its centerline is aligned with the center mark of the document guide Test chart for the center position adjustment Draw a line at the center of A4 or 8 1 2 x 11 paper in the paper transport direction Service Manual 5 7 Document guide Center Copy paper A4 or 8 1 2 x 11 2 Execute SIM 50 10 to select the print center offset cassette paper feed adjustment mode The set adjustment value is displayed on the copy quantity display 3 Make a copy and check that the copied center line is properly positioned The standard value is 0 2mm from the paper center Cony A Copy image Copy paper folding line 2 0mm or less Copy B Copy image Co
35. ction can be set in the range of 2 min to 120 min When this function is operated all the lamps except for the pre heat lamp on the operation panel turn off To return to the initial state press the COPY button Auto shut off Used to set or cancel this function Note The power consumption values in preheat and auto shut off may be varied depending on the use conditions 9 2 Setting the Power Save Modes and Auto Clear Time 1 Press and hold down the light and dark o keys simultaneously for more than 5 seconds until all the alarm indicators 2 84 and blink and appears in the display 2 Use the left copy quantity key to select a user program number 1 auto clear time 2 preheat mode 3 auto power shut off timer 5 auto power shut off mode The selected number will blink in the left side ofthe display Function name Function code Auto clear time Preheat Auto shut off timer Auto shut off Note lf a wrong code is entered press the clear key and enter the correct function code Y101700 5 Service Manual 9 1 3 Press the Print key The entered program number will be steadily lit and the currently selected parameter number for the program will blink on the right side of the display 4 Select the desired parameter using the right copy quantity key The entered parameter will blink on the right of the display Function Set code Function Set code Function Set code Name Name Na
36. d AE Cassette lamp Print center offset Manual paper feed AE lamp Blinking OC Document center offset AE TEXT lamp Resist quantity adjustment Used to adjust the contact pressure of paper onto the copier resist roller and the RSPF resist roller Operation Procedure 1 When this simulation is executed the currently set value is displayed 2 Press the copy mode select key and each setting mode and display are changed sequentially The selected adjustment mode is indicated by the lamps as follows 3 Enter the adjustment value with the 10 key and press the SORT key Then the set value is stored and a copy is made 4 Press the clear key to store the set value and exit the simulation Single manual paper feed Adjustment mode Display lamp Cassette paper feed AE Cassette lamp Manual paper feed AE blinking Cassette lamp ON Polygon motor check HSYNC output check Operation Procedure When the START key is pressed HSYNC is performed and the polygon motor is rotated for 30 sec At that time the Zoom lamp is lighted for 100msec every time when HSYNC is detected Shading check Outline Used to display the detection level of the white plate for shading Vref of AD conversion IC is fixed Operation Procedure When the START key is pressed the mirror base unit moves to the white plate for shading and Vref voltage of AD conversion IC is set to 4 5V and Vref voltage to 0 5V and the copy lamp is lighted This st
37. d protective cover Then open the original cover and remove protective materials a and b 2 2 Service Manual Y101700 5 9 Shake the aluminum bag to stir developer 2 7 Toner cartridge installation 10 Supply developer from the aluminum bag to the top of the MX roller evenly 1 To prevent against uneven distribution of toner hold Toner unit with both hands and shake it several times horizontally 2 Hold the section of Toner unit shown in the figure below remove the packing tape and remove the cushion Pull out the cushion in the arrow direction DI Note Be careful not to splash developer outside Develo per unit 11 Attach Upper developer unit and fix it with a screw 12 Rotate the MG roller gear to distribute developer evenly 4 Insert Toner unit carefully into the copier 5 Insert until the hook is engaged with the copier as shown in the figure below Note Never rotate the gear in the reverse direction Note When carrying Developer unit do not tilt it extre mely as shown with the arrow in the figure below Prevention of splash of developer Py 13 Insert Developer unit carefully into the copier Note Quick insertion may result in splash of developer Be sure to insert carefully 14 Confirm that Developer unit is completely inserted to the bottom of the machine fix Developer unit and the machine with a screw 15 Completi
38. dure For assembly reverse the disassembly procedure 48 Service Manual Y101700 5 3 Remove two screws and remove the toner motor 4 5 Cassette paper feed transport section 4 5 1 List of parts Part name Ref m a O Cp Cc dp bi O a A Intermediate frame unit Paper feed roller 4 5 2 Disassembly procedure Remove six connectors and screws of the main PWB and lift the optical unit and the main PWB to remove 1 4 Remove two springs and open the intermediate frame unit N 2 Remove the PWB insulation mylar and remove the paper transport detection sensor PPD2 4 9 Service Manual Y101700 5 5 Remove the pulleys on the both sides and remove the paper exit roller 6 Pull out the paper exit roller knob and remove the belt 7 Release the belt pulley lock and remove the belt pulley bearing 8 Remove the paper exit roller 410 Service Manual r rr r rra Y101700 5 4 11 USI Y N MA 5 W 7 Y YI y 7 v pressure release solenoid andthe paper feed solenoid 11 Remove the parts as shown below and remove the 12 Remove six screws and remove the LSU unit NA
39. e 1 5kV section Power consumption 11 3W Gradation 256 gradations 8bit Writing Writing system Writing to OPC drum by the section semiconductor laser 600 dpi Laser unit Resolution OPC 300 18k Saw tooth charging with a grid scorotron discharge Type Life Charging system Photoconductor Image forming Charger Separation system Transfer system DC corotron system DC corotron system Developing Developing system Dry 2 component magnetic brush development system Cleaning Cleaning system Counter blade system Counter to rotation Fusing system Heat roller system Upper heat roller Type Teflon roller Fusing section Lower heat roller Type Silicon rubber roller Type Halogen lamp Heater lamp Voltage 100V Power consumption 800W Power source Voltage Local AC voltage Frequency Common use for 50 and 60Hz 1000W 310Wh H 70Wh H Max Electrical section Average during copying Power consumption Average stand by Pre heat mode 40Wh H Auto power shut off mode 18Wh H 1 May fluctuate due to environmental conditions and the input voltage Y101700 5 Service Manual 1 3 C Copy performance 3R 2E AB system 50 70 81 100 141 200 Inch system 50 64 78 100 Copy Fixed magnification ratios magnification 129 200 50 200 151 steps in 1 i
40. e width of the paper Move paper guide B to the appropriate slot as marked on the tray 2 4 Service Manual 2 9 Power to copier 1 Ensure that the power switch of the copier is in the OFF position Insert the attached power cord into the power cord socket at the rear of the copier 2 Plug the other end of the power cord into the nearest outlet Y101700 5 3 OPERATIONAL DESCRIPTIONS 3 1 Outline of operation The outline of operation is described referring to the basic configuration Scanner section I CCD Operation loi section MCU Main control image process section LSU Laser unit Laser diode Polygon mirror lens Laser beam DI J Paper transport section MI 4 N 7 Cassette paper x Manual paper feed section feed section Fusing section Printer section Outline of copy operation Setting conditions 1 Setcopy conditions such as the copy quantity and the copy density with the operation section and press the COPY button The information on copy conditions is sent to the MCU Image scanning 2 When the COPY button is pressed the scanner section starts scanning of images The light from the copy lamp is reflected by the document and passed through the lens to the CCD Photo signal Electric signal conversion 3 The image is converted into electrical signals by the CCD circuit and passed to the MCU Image process 4 The document image signal sent from the
41. ead edge adjustment 1 Seta scale to the center of the paper lead edge guide as shown below and cover it with B4 or 8 1 2 x 14 paper PIPA 2 Execute SIM 50 01 3 Set the print start position AE lamp ON A the lead edge void amount TEXT lamp ON B and the scan start position PHOTO lamp ON C to O and make a copy of a scale at 100 4 Measure the image loss amount R mm of the scale image Set C 10 x R mm Example Set the value of C to 30 When the value of C is increased by 10 the image loss is decreased by 1mm Default 50 5 Measure the distance H mm between the paper lead edge and the image print start position Set A 10 x H mm Example Set the value of A to 50 When the value of A is increased by 10 the image lead edge is shifted to the paper lead edge by 1mm Default 50 6 Setthe lead edge void amount to B 50 2 5mm When the value of B is increased by 10 the void amount is increased by about 1mm For 25 or less however the void amount becomes zero Default 50 Y101700 5 Example Distance between paper lead edge and image H 5mm Image loss R 3mm 5 2 4 2 Image rear edge void amount adjustment 1 Set a scale to the rear edge section of A4 or 11 x8 1 2 paper size as shown in the figure below and cover it with B4 or 8 1 2 x 14 paper B4 or 8 1 2 x 14 paper Ad I A4 size rear edge I ZZA 2 Execute SIM 50 01 to sele
42. ear Version No E Y101700 5 1 6 TD cartridge replacement Division 1 Open the front and side cabinets of the copier Ex production 2 Keep holding Toner lover and Option 3 Carefully pull out Toner unit from the copier Same pack Production control label attachment position 4 PutTonerunitinacollection bag immediately after removing it from the copier Production control label attachment position 1 1 The production control label is not attached to the cartridge of a China product Note Nevercarry exposed Toner unit Be sure to put itin the collection bag Y101700 5 Service Manual 1 7 1 7 External views and internal components 1 7 1 General appearance Original cover Side cover Manual bypass Paper guides Side cover open button Front cover Paper tray Operation panel Original table Parallel interface Paper output tray 0 Q l O O WIN y M 17 Paper output tray extension Handle Power switch Power cord socket Toner cartridge lock release lever Toner cartridge Transfer charger Photoconductive drum Charger cleaner Fusing unit release tab Paper feed roller Service Manual Y101700 5 1 8 Operation panel Exposure mode selector key and indicators Use to sequential
43. erse the disassembly procedure 416 SeviceManual Y101700 5 5 ADJUSTMENTS 5 1 Image distortion adjustment There are following two types of image distortion e Horizontalimage distortion e Verticalimage distortion In this machine the image distortion is adjusted by changing the parallelism of mirrors copy lamp unit No 2 3 mirror unit 5 1 1 Horizontal image distortion adjustment Parallelism of mirrors can be made by installing the copy lamp unit and No 2 3 mirror unit to the reference position However it must be checked by making a copy and must be adjusted if necessary 5 1 1 1 Cases when the adjustment is required 1 When the copy lamp unit and No 2 3 mirror unit are disassembled or their part is replaced 2 When the copy lamp unit and No 2 3 mirror unit drive section is disassembled or its part is replaced 3 When the copy image is distorted as shown below 5 1 1 2 Necessary tools e Screwdriver e Hex wrench Scale e Test chart for distortion adjustment Make a chart shown below by yourself Draw a rectangle on a paper B4 or 8 1 2 x 14 as shown below Be sure to make four right angles L 10mm 5 1 1 3 Adjustment procedure 1 Remove the right cabinet manual paper feed unit the documentreference plate 2 Remove the document glass
44. et Weight 170g per unit Drum 25K Drum fixing plate Note Packed together with the machine DR 25K Developer UN Process UN Y101700 5 Service Manual 1 5 1 4 Environmental conditions The environmental conditions for assuring the copy quality and the machine operations are as follows Normal operating condition e Temperature 20 C 25 e Humidity 65 5 RH Acceptable operating condition Humidity RH 85 60 20 10 C 30 C 350 Optical condition Humidity RH 90 60 15 25 C 30C 40C Supply storage condition Humidity RH 90 1 6 Service Manual 1 5 Production control number lot No identification Developing cartridge a Production month Production day Destination code Dealer distributor OEM etc Production place SOCC Fixed to B End digit of year Version No Destination EX Destination A same pack B same pack Option Destination A B Drum cartridge The label on the drum cartridge shows the date of production SOCC production Production month Production day Destination code Dealer distributor OEM etc Production place SOCC Fixed to B End digit of year Version No JAPAN production VerA 9 1 1 0001 X Production month 1 9 Jan Sep 0 Oct X Nov Y Dec Serial number of month Fixed to 1 Pack division See table below End digit of y
45. etween the lead edge and the rear edge of the paper Paper feed roller Picks up a sheet of paper from the cassette Y101700 5 Service Manual 1 13 2 UNPACKING AND INSTALLATION 2 1 Copier installation Improper installation may damage the copier Please note the following during initial installation and whenever the copier is moved Caution If the copier is moved from a cool place toa warm place condensation may form inside the copier Operation in this condition will cause poor copy quality and malfunctions Leave the copier at room temperature for at least 2 hours before use Do not install your copier in areas that are e damp humid or very dusty e subject to extreme temperature or humidity changes e g near an air conditioner or heater The copier should be installed near an accessible power outlet for easy connection Be sure to connect the power cord only to a power outlet that meets the specified voltage and current requirements Also make certain the outlet is properly grounded Be sure to allow the required space around the machi ne for servicing and proper ventilation Y101700 5 2 2 Cautions on handling Be careful in handling the copier as follows to maintain the performance ofthis copier Do not drop the copier subject it to shock or strike it against any object
46. f the drum same as each other refer to the figure below Semiconductorlaser Collimatorlens Y101700 5 Makes the laser scanning speeds at both ends of the drum same as each other azpao d e f LL dl te et 1 I 1 I 1 I l if l if a T a 1 1 1 1 1 1 Pq a a i gt 1 1 1 1 i 3 3 3 Composition Effective scanning width Resolution Beam diameter 216mm max 600dpi 75um in the main scanning direction 80um in the sub scanning direction 0 20 0 03mW Laser wavelength780 795nm Brushless motor 20 787rpm No of mirror surfaces 6 surfaces Image surface power Polygon motor section Service Manual 3 3 3 4 Fuser section 3 4 1 General description General block diagram cross section Thermal fuse Separator pawl Thermistor Pressure roller Heat roller Paper guide Top view Thermal fuse Thermistor Heat roller Heater lamp Ll Salle L F duo ga 7 a DI ss a Separator pawl 1 Heat roller A Teflon roller is used for the heat roller and a silicone rubber roller is used for the lower heat roller for better toner fusing performance and paper separation 2 Separator pawl Three separator pawls are used on the upper heat roller The separator pawls are teflon coated to reduce friction with the roller and prevent a smear on the paper caused by the separator pawl 3 4 Service Manual 3 Thermal
47. fication ratio is within the specified range If it is not within the specified range perform the following procedures 7 Execute SIM 48 1 to select the main scanning direction copy magnification ratio adjustment mode To select the adjustment mode use the copy mode select key In the case of the automatic adjustment when the PRINT switch is pressed the mirror base unit moves to the white plate for shading to scan the width of the reference line calculating the correction value and displaying and storing this value After execution of the automatic adjustment go out from the simulation mode and make a copy to check the magnification ratio If the magnification ratio is not in the specified range 100 1 0 manually adjust as follows Adjustment mode Lighting lamp Main scanning direction auto copy magnification ratio adjustment Auto exposure lamp ON Main scanning direction manual Manual exposure lamp ON copy magnification ratio adjustment Sub scanning direction copy magnification ratio adjustment Photo exposure lamp ON 8 Setthe adjustment mode to Manual with the copy mode select key 9 Enter the new set value of main scanning direction copy magnification ratio with the copy quantity set key and press the COPY button 10 Change the set value and repeat the adjustment until the ratio is within the speoified range When the set value is changed by 1 the magnification ratio is changed by 0 1 5 2 2
48. g test charts UKOG 0162FCZZ UKOG 0089CSZZ KODAK GRAY SCALE e B4 14 x8 1 2 white paper e The user program AE setting should be 3 LUD Test chart comparison table UKOG 0162FCZZ DENSITY No UKOG 0089CSZZ DENSITY No KODAK GRAY SCALE 5 3 4 Features of copy density adjustment For the copy density adjustment the image data shift function provided in the image process LSI is used List of the adjustment modes Auto Mode Brightness 1 step only Manual Mode Brightness 5 steps Adjustment of only the center brightness is made Photo Mode Brightness 5 steps Adjustment of only the center brightness is made Manual T S Brightness 5 steps Adjustment of only the mode center brightness is made T S Auto mode Brightness 1 step only Y101700 5 5 3 5 Copy density adjustment procedure Use SIM 46 01 to set the copy density for each copy mode For selection of modes use the copy mode select key 5 3 5 1 Test chart UKOG 0162FCZZ setting 1 Place the test chart so that its edge is aligned with the A4 Letter reference line on the document table Then place a B4 14 x 8 1 2 white paper on the test chart and close the document cover White paper Test chart i ado O coo DOS 5 3 5 2 Perform the adjustment in each mode 1 Execute SIM 46 1 2 Select the mode to be adjusted with the exposure m
49. here in no distortion and the following procedures are not required Greater distortion Smaller distortion Service Manual 5 3 3 If the right left distortion balance is improper loosen the fixing screw of No 2 3 mirror unit rail to change and adjust the right left balance of No 2 3 mirror unit rail Note If the distortion in the lead edge side when viewed in the paper transport direction is greater change the height of the left rail of No 2 3 mirror unit If the distortion in the rear edge side when viewed in the paper transport direction is greater change the height of the right rail of No 2 3 mirror unit Change the height of the right side of the rail Change the height of the left side of the rail 4 Make acopy to check the vertical image distortion If the four angles are right angles the adjustment is completed 5 2 Copy magnification ratio adjustment The copy magnification ratio must be adjusted in the main scanning direction and in the sub scanning direction To adjust use SIM 48 1 5 4 Service Manual The main scanning front rear direction magnification ratio adjustment is made automatically or manually Automatic adjustment The width of the reference line marked on the shading correction plate is scanned to perform the main scanning front rear direction magnification ratio adju stment automatically Manual adjustment The adjustment is made by manual key operations In either of the automat
50. ic and manual adjustmen ts the zoom data register set value is changed for adjust ment The magnification ratio in the sub scanning direction is adjusted by changing the mirror base scanner scanning speed 5 2 1 Main scanning direction magnification ratio adjustment Before performing this adjustment the following adjustments musthave been completed If not this adjustment cannot be performed properly e Image distortion adjustment e The lens unit must be installed in the reference position 5 2 1 1 Cases when the adjustment is required 1 Whenthelens andthe mirror unit are disassembled or the part is replaced 2 Whenthe copy lamp unit No 2 3 mirror unit drive section is disassembled or the part is replaced When the main PWB is replaced When the EEPROM in the main PWB is replaced When U2 trouble occurs Whenthe copy image distortion adjustmentis performed 5 2 1 2 Necessary tools e Screwdriver e Scale 5 2 1 3 Adjustment procedure 1 Setthe scale vertically on the document table Use a long scale for precise adjustment coppe o CoCr 2 Setthe copy magnification ratio to 100 3 Make a copy on A4 or 81 2 x 11 paper Y101700 5 4 Measure the length of the copied scale image When a 10mm scale is used as the original Paper feed directian nh Reference 6 Check that the copy magni
51. installing error 2 In case of a Scanning error of the reference line the JAM lamp is turned on Cause CCD error or no white plate Ifthe automatic correction of magnification ratio does not work properly adjust and correct manually 6 12 Service Manual Y101700 5 50 01 Lead edge image position adjustment Paper lead edge rear edge void adjustment Outline This adjustment is used to adjust the copy image position and lead edge rear edge void amount on the copy paper by adjusting the image scan start position and the print start position resist roller ON timing at 100 Operation Procedure 1 When this simulation is executed the currently set value is displayed in two digits Center value 50 2 When the copy mode select key is pressed each setting mode and the display are changed The selected adjustment mode is indicated by the lamps as shown in the table below 3 Enter the adjustment value with the 10 key and press the start key The set value is stored and a copy is made When the set value is increased by 1 the void amount is shifted by 0 1 mm 4 When the clear key is pressed the set value is stored and the simulation mode is terminated Print start position Cassette AE Cassette lamps Print start position Manual paper feed AE Manual feed lamps Image lead edge void quantity TEXT lamp Image scan start position PHOTO lamp Image rear edge void quantity AE TEXT PHOTO lamps Adjustment method 1
52. ly select the exposure modes AUTO MA NUAL q or PHOTO fil Selected mode is shown by a lit indicator Light and dark keys and exposure indicators Used to adjust the MANUAL q or PHOTO fil exposure level Selected exposure level is shown by a lit indicator Use to start and terminate user program setting Alarm indicators Developer replacement required indicator 84 Misfeed indicator Toner cartridge replacement required indicator Maintenance indicator Copy ratio selector key and copy ratio indicators Use to sequentially select prset reduction enlargement copy ratios Zoom indicator Copy ratio display key Display Displays the specified copy quantity Zoom copy ratio user program code and error code Y101700 5 200 141 A5 gt A4 ui gt 81 O B4 A4 70 O A40A5 ONLINE indicator Lights up when the machine is used as a printer or when it is receiving or processing print data Power save indicator Lights up when the copier is in a power save mode Zoom keys 8 Use to select any reduction or enlargement copy ratio from 50 to 200 in 1 increments Copy quantity keys A e Use to select the desired copy quantity 1 to 99 e Use to make user program entries Clear key e Press to clear the display or press during a copy run to terminate copying e Press and hold down during standby to display the total number of copies to date
53. me 0 2 min 1 5 min Auto clear Preheat Auto shut 2 15 min time offtimer 3 30 min 4 60 min 5 120 min Factory setting Funtion Name Auto shut off Set code 0 Cancel 1 Setting 5 Press the print key The right hand number in the display will be steadily lit and the entered value will be stored Note To change the setting or to set another mode press the Clear key The copier will return to step 2 6 Press the light or dark key to return to the normal copy mode 9 2 Service Manual Y101700 5 UPDATING STATUS DATE PAGES UPDATED PAGES CODE 02 2002 19 EDITION 78 Y101700 5
54. ment e After adjusting the grid LOW output adjust the HIGH output Do not reverse the sequence 5 4 1 1 Procedures l 5 10 Set the digital multi meter range to DC700V Set the positive side of the test rod to the connector CN11 3 GRID of high voltage section of the power PWB and set the negative side to the frame ground radiating plate Execute SIM 8 3 The main charger output is supplied for 30 sec in the grid voltage LOW output mode Adjust the control volume VR 141 so that the output voltage is 400 20V Execute SIM 8 2 The main charger output is supplied for 30 sec in the grid voltage HIGH output mode Adjust the control volume VR 142 so that the output voltage is 580 10V Service Manual 5 4 2 DV bias adjustment e Adigital multi meter with internal resistance of 1GW must be used for correct adjustment 5 4 2 1 Procedures Set the digital multi meter range to DC500V Set the positive side of the test rod to the connector CN 10 1 DV BIAS and set the negative side to the connector CN10 2 FG Execute SIM 8 1 The developing bias is outputted for 30 sec Adjust the control volume VR 121 so that the output voltage is 400 5V Y101700 5 6 SIMULATIONS AND TROUBLE CODES 6 1 Simulations 6 1 1 List of simulations Y101700 5 Optical system Lamp ON check Machine individual load operation Aging High voltage output check Other Trouble rese
55. ncrements Manual steps manual 5 steps photo Zooming magnification ratios 9 6 sec or below A4 9 4 sec or below 8 1 2 x ai Pre heat mode 16 sec or below Auto power shut off mode 23 sec or below Tray paper feed Copy speed First copy time Manual paper feed 10 0 sec Pre heat mode 16 sec or below Auto power shut off mode 23 sec or below AB system A4 Copy speed CPM Same size 12 Landscape Enlargement 12 Reduction 12 B5 Landscape Copy speed CPM Same size 12 Enlargement 12 Reduction 12 Inch system 8 1 2 Copy speed CPM Same size 10 x 14 Landscape Enlargement 10 Reduction 10 8 1 2 x 11 Copy speed CPM Same size 12 Landscape Enlargement i Reduction Max continuous copy quantity Leading edge 1 4mm Trailing edge 4mm or less 6mm or less Void area 4 0mm or less per side Side edge void area machine with side edge void 0 5mm 4mm Total of both edge voids Image loss OC mode Leading edge Same size 3 0mm or less Enlarge 200 2 0mm or less Reduction 50 6 0mm or less Warm up time 0 sec Power save mode reset time 0 sec Paper jam recovery time O sec 1400 Service Manual Y101700 5 1 3 Consumables 1 3 1 Supply system table CIC E EA js Toner 6 5K Toner Net Weight 210g Polyethylene bag Toner CA Black with CA Developer Drum kit per unit Developer 25K Developer N
56. nd the scanning direction sub scanning direction With reference to the figure one line is divided into 4 sections Actually however one line is divided into thou iris sands of sections For scanning the light receiving element called CCD is used The basic resolution indicates the scanner capacity The basic resolution is expressed in dpi dot inch which shows the number of light emitting elements per inch on the docu E ment image data sent to the ICU PWB I The basic resolution of this machine is 400dpi Inthe sub scanning direction at the sametime the motor that drives the optical system is controlled to scan the image atthe basic resolution To MCU PWB 3 2 2 Basic structure of scanner section 11 4 1 2 8 Copy lamp Xenon lamp Reflector light conversion plate No 1 mirror No 2 mirror No 3 mirror Lens No 2 3 mirror unit Copy lamp unit CCD Mirror motor MHPS Mirror home position sensor The scanner unit performs scanning in the digital optical system The light from the light source Xenon lamp is reflected by a document and passed through three mirrors and reduction lenses to the CCD element image sensor where images are formed This system is known as the reduction image sensor system Photo energy on the CCD element is converted into electrical signals analog signals Photo electric conversion The out
57. ng efficiency Digital high quality image High quality image copying with 600 dpi can be per formed Inaddition to the automatic exposure mode the manual exposure can be adjusted in five steps The photo mode copying function which allows clear copying of delicate halftone original images such as monochrome photos and color photos can be used Substancial copying functions Zoomcopying from 50 to 200 in 1 increments can be performed A maximum of 99 copies can be selected Toner save mode for reducing toner consumption by approximately 10 can be set Environmentally friendly design Paper output tray is housed in the copier for space saving Preheatmode and auto power shut off mode are provid ed to reduce power consumption in standby mode Printer feature This copier is also a laser printer Service Manual 1 1 1 2 Specifications 1 2 1 Basic specifications of the copier A Basic specifications Type Copy system Segment class External dimensions W x D x H mm Weight B Operation specifications Desktop Dry electrostatic Digital personal copier 518 mm x 482 6 mm x 292 6 mm Approx 19Kg drum cartridges included Spec Paper feed 1 tray 250 sheets 1 single sheet manual bypass system Paper size Tray paper feed section Kinds AB system Remark Single sheet Paper size manual bypass Paper weight feed section Kinds 1 Remark Paper feed setion T
58. ode select key Set the exposure level to 3 for all adjustment Except for the auto mode 1 Mode select key display lamp 2 Exposure level select key display lamp Y101700 5 Ex posure level Adjustment Exposure mode mode display lamp Sharp gray chart adjustment level 3 is slightly Auto mode copied Auto lamp ON 3 is slightly Manual mode copied Manual lamp ON 3 is slightly Photo mode copied Photo lamp ON Manual T S Manual lamp Photo mode lamp ON Auto T S Auto lamp Photo mode lamp ON 4 is slightly copied 4 is slightly copied 3 Make acopy Check the adjustment level Shown in the above table of the exposure test chart Gray Scale Sharp Gray Scale adjustment level Y B g 10 2 3 4 5 6 w Non toner save mode L Slightly copied Nat copied w Toner save mode L Sightly copied Not copied 7 8 a 10 When too bright Decrease the value displayed on the copy quantity display When too dark Increase the value displayed on the copy quantity display The value can be set in the range of 1 99 Service Manual 5 9 5 4 High voltage adjustment 5 4 1 Main charger Grid bias e Use a digital multi meter with internal resistance of 10MW or more measure
59. on of Developer unit installation Y101700 5 Service Manual 2 3 6 Pull out the shutter in the arrow direction Note Do not hold and carry the shutter Otherwise the 7 shutter may drop and Toner unit may drop Completion of Toner unit installation Close the front and side cabinets 2 8 Loading copy paper 1 Raise the handle of the paper tray and pull the paper 2 3 tray out until it stops 5 Fanthe copy paper and insert it into the tray Make sure the edges go under the corner hooks Note Do not load paper above the maximum height line x Exceeding the line will cause a paper misfeed 6 Gently push the paper tray back into the copier Note After loading copy paper to cancel the blinking P without restarting copying press the clear key The P in the display will go out and the ready G indicator will light up Remove the pressure plate lock Rotate the pressure plate lock to remove it while pressing down the pressure plate of the paper tray Store the pressure plate lock which has been removed in step 2 and the screw which has been removed when unpacking see REMOVING PROTECTIVE PACKING MATERIALS in the front of the paper tray To store the pressure plate lock rotate the lock to fix it on the relevant location Adjust the paper guides on the paper tray to the copy paper width and length Squeeze the lever of paper guide A and slide the guide to match with th
60. ounter check sum value stored in the EEPROM is abnormal EEPROM serial When a communication trouble occurs with the EEPROM communication error Y101700 5 Service Manual 6 17 7 MAINTENANCE 7 1 Maintenance table X Check Clean adjust or replace when required Clean A Replace Adjust sz Lubricate Section Parts Remark Developer Developing DV blade DV side seal F R Process peripheral Drum 7 2 Maintenance display system 6 5K Press and hold the density adjustment LIGHT key for more than 5 sec and the machine will enter the user program mode Remaining b Press and hold the key for more than 5 sec and the remaining quantity will be displayed on the quantity check 1 copy quantity display in one of the following levels Remaining quantity display levels 100 75 50 25 10 LO c Press the density adjustment LIGHT key to cancel Remaining NEAR EMPTY quantity About 10 LED ON Machine Operation allowed Life 25K LED ON at 25K of the developer count Developer Selection is available between Not Stop and Stop by Service Simulation SIM 26 37 Setup If Stop is selected the LED will flash and stop at 25K Default Not Stop Clear SIM 24 06 Selection is available among 18K 13K 9K 6K 3K and free no lighting with SIM 21 1 LED Default 25 K Clear SIM 20 1 Machine Maintenance Machine Not stop 1 Inst
61. per heat roller is conductive when copy paper is highly moist and the distance between the transfer unit and the fusing unitis short the transfer current leaks through the copy paper the upper heat roller and the discharging brush Y101700 5 3 5 Paper feed section and paper transport section 3 5 1 Paper transport path and general operations 7 A _ 7 O A 1 8 MOLO 9 API 10 6 iw 11 14 13 12 Scanner unit Main charger Pickup roller Copy lamp Heat roller Manual paper feed roller Lens unit Pressure roller PS roller unit LSU Laser unit Drum Paper feed roller Paper exit roller Transfer unit Paper feed is made in two ways the cassette paper feed and the manual paper feed The cassette is of universal type and has the capacity of 250 sheets Y101700 5 Service Manual 3 5 3 5 2 Cassette paper feed operation 1 The figure below shows the positions of the pick up roller the paperfeed clutch sleeve and the paper feed latch in the initial state without pressing the COPY button after lighting the ready lamp The paper feed latch is in contact with the projection of the clutch sleeve When the COPY button is pressed the main drive motor starts rotating to drive each drive gear The pick up drive gear also is driven at that time Since
62. played in 3 digits on the value display section 100 Zoom lamp display Developer counter clear When the PRINT switch is pressed the drum count value is reset to 0 Drum counter clear When the PRINT switch is pressed the drum count value is reset to 0 Service Manual 6 5 25 01 Main motor system ON Cooling fan low speed Operation Procedure When the START key is pressed the main motor is rotated for 30 sec To save toner consumption the different operations are executed depending on installation of the developing unit e When the developing unit is installed the developing bias the main charger and the grid are also outputted e When the developing unit is not installed only the motor is rotated Do not turn on the door open close switch forcibly to execute this simulation Polygon motor ON Operation Procedure When the START key is pressed the polygon motor is operated for 30sec 26 Manual feed setup Operation Procedure 1 When this simulation is executed the currently set bypass code number is displayed 2 Enter the code number corresponding to the bypass and press the START key and the setting will bechanged Code number Single bypass Multi bypass SPF setup When this simulation is executed the currently set SPF code number is displayed Enter the code number of the SPF to be set and press the PRINT switch The setup is changed 0 WithoutSPF 1 With SPF Setup required when installing FAX
63. put signals analog signals are converted into digital signals A D conversion and passed to the MCU main control image process section The resolution at that time is 400dpi The mirror unit in the scanner section is driven by the mirror motor The MHPS is provided to detect the home position of the copy lamp unit 3 2 Service Manual Y101700 5 3 3 Laser unit The image data sent from the MCU image process circuit is sent to the LSU laser unit where it is converted into laser beams 3 3 1 Basic structure The LSU unit is the writing section of the digital optical system The semiconductor laser is used as the light source and images are formed on the OPC drum by the polygon mirror and f6 lens etc The laser beams are passed through the collimator lens the cylindrical lens the polygon mirror the fO lens and the mirror to form images on the OPC drum in the main scanning direction The laser emitting PWB is provided with the APC auto power control in order to eliminate fluctuations in the laser power The BF PWB works for measurement of the laser writing start point Laser beam Waaa pathforBF PWB Generateslaserbeams Convergeslaserbeamsin parallel Polygon mirror Reflects laserbeams ata polygon motor constant rpm BD Mirror lens PWB Detects start timing of laser scanning fO lens Converges laser beams at a spot on the drum Makes the laser scanning speeds at both ends o
64. py paper folding line Paper feed direction 4 If the measured value is out of the specified range change the set value and repeatthe adjustment procedure When the set value is increased by 1 the copy image is shifted by 0 1mm toward the rear frame e Forthe manual paper feed change the manual paper feed adjustment mode and perform the similar procedures e Since the document center offset is automatically adjusted by the CCD which scan the reference lines F R on the back of document guide there is no need to adjust manually 5 3 Copy density adjustment 5 3 1 Copy density adjustment timing The copy density adjustment must be performed in the following cases e When maintenance is performed When the developing bias grid bias voltage is adjusted When the optical section is cleaned When a part in the optical section is replaced When the optical section is disassembled When the OPC drum is replaced When the main control PWB is replaced When the EEPROM on the main control PWB is replaced e When the memory trouble U2 occurs 5 8 Service Manual 5 3 2 Note for copy density adjustment 5 3 2 1 Arrangement before execution of the copy density adjustment e Clean the optical section e Clean or replace the charger wire e Check that the voltage at the high voltage section and the developing bias voltage are in the specified range 5 3 3 Necessary tool for copy density adjustment e One of the followin
65. r edge void setting and press the START key and the setting will be changed Rear edge void setting Rear edge void allowed Rear edge void not allowed CE mark conformity control ON OFF setup Operation Procedure 1 When this simulation is executed the currently set code number of CE mark application is displayed 2 Enter the code number of CE mark application and press the START key and the setting will be changed CE mark application setting CE mark application control OFF CE mark application control ON Cancel of stop at developer life over When this simulation is executed the current set code is displayed Enter a new code and press the PRINT switch and the entered code is registered Stop at developer life over Stop cancel at developer life over Memory capacity setup Operation Procedure 1 When this simulation is executed the currently set code number is displayed 2 Enter the code number and press the START key and the setting will be changed No memory 4 Mbyte 6 Mbyte 6 8 Service Manual Y101700 5 Y101700 5 Polygon motor OFF time setup Operation Procedure 1 When this simulation is executed the currently set code number is displayed 2 Enter the code number and press the START key and the setting will be changed Transfer ON timing control setup Operation Procedure 1 When this simulation is executed the currently set code number is displayed 2 Enter the code number and press the START key and the
66. ratio correction The scanning direction magnification ratio in the OC mode is set by key operations Performed by changing the scanning speed Operation Procedure 1 When this simulation is executed the current set value is displayed in two digits Center value 50 2 When the copy mode select key is pressed the setting mode and the setting display are changed sequentially The selected adjustment mode is indicated by the lamps as follows In the front rear scanning direction adjustment when the START key is pressed the mirror base unit moves to the white plate for shading and the width of the reference line is read and the correction value is calculated and displayed and the value is stored In the case of the manual adjustment enter the adjustment value with the 10 key and press the START key Then the entered value is stored and a copy is made An increase of 1 in the set value corresponds to an increase of 0 1mm Press the clear key to store the set value and exit the simulation Adjustment mode Lamps ON Front rear direction magnification ratio auto correction AE lamp Front rear direction magnification ratio manual correction TEXT lamp Scanning direction magnification ratio correction PHOTO lamp In the front rear direction magnification ratio correction 1 The result of calculation of the scan correction value is 5 or less is displayed Cause The white plate reference position error or the lens unit
67. ration Procedure When the START key is pressed the developing bias is outputted for 30 sec Main charger Grid high Operation Procedure When the START key is pressed the main charger output is supplied for 30 sec in the grid Grid voltage Low Operation Procedure When the START key is pressed the main charger output is supplied for 30 sec in the grid Transfer charger Operation Procedure When the START key is pressed the transfer charger output is supplied for 30 sec Toner motor aging Operation Procedure When the START key is pressed the toner motor output is supplied for 30 sec Cancel of troubles other than U2 Operation Procedure After canceling the trouble the simulation is also automatically canceled Cancel of U2 trouble Operation Procedure 1 When the START key is pressed the EEPROM total counter check sum is rewritten and the trouble is canceled 2 After canceling the trouble the simulation is also automatically canceled Maintenance mini maintenance counter clear When the Print switch is pressed the maintenance counter is cleared and 000000 is displayed When the destination has been set to Japan AB series the mini maintenance counter is cleared Maintenance cycle setup The currently set maintenance cycle code is displayed initial display and the set data is stored 3 000 sheets 6 000 sheets 9 000 sheets 13 000 sheets 25 000 sheets Free 999 999 sheets Default Mini m
68. ray paper feed section Paper size Paper weight Paper feed capacity 250 sheets Paper weight A4 B5 A5 Landscape 56 80g m Tray paper Standard paper specified paper recycled paper User adjustment of paper guide available A4 B5 A5 B6 A6 Landscape 52 128g m Standard paper specified paper recycled paper OHP Label Postal card User adjustment of paper guide available 8 1 2 x 14 8 1 2 x 11 8 1 2 x 5 1 2 Landscape 15 21 lbs Paper feed capacity 250 sheets Kinds Remark Inch system Single sheet manual bypass feed section Paper size Kinds 1 Remark x1 OHP Label Postal card each 1 pc 1 2 Service Manual Paper weight Standard paper specified paper recycled paper User adjustment of paper guide available 8 1 2 x 14 8 1 2 x 11 8 1 2 x 5 1 2 3 1 2 x 5 1 2 Landscape 14 34 5 Ibs Standard paper specified paper recycled paper OHP Label Postal card User adjustment of paper guide available Y101700 5 Face down 100 sheets Paper exit Exit way section Capacity of output tray Original set Center Registration left edge Max original size B4 10 x 14 Originals Original kinds sheet Original size detection None Scanning system CCD sensor scanning by lighting lamp scanner CCD sensor Resolution 400 dpi Scanning Type Xenon lamp Optical section Lighting lamp Voltag
69. s and remove the fusing unit 3 Cutthe binding band remove the screw and remove the thermistor After installing the mirror base drive wire be sure to Thermistor perform main scanning direction image distortion adjustment 4 6 Service Manual Y101700 5 4 Remove the screw and remove the U turn guide 7 Remove the plate spring on the right and remove the heaterlamp 4 4 2 1 Pressure roller section disassembly 5 Remove the three screws remove the fusing cover lower on the right side and open the heat roller section Hearter lamp 8 Remove the spring and remove the separation pawls 3 pcs 6 Remove the screw and remove the PPD2 sensor PPD2 sensor Y101700 5 Service Manual 4 7 10 Remove the pressure release levers on the right andthe 6 Remove the C ring and the fusing bearing and remove left sides the heat roller Heat roller 7 Remove the parts from the heat roller Note Apply grease to the sections specified with x 11 Remove the pressure roller the pressure bearing and the spring Note Apply grease to the sections specified with I Pressure roller E 3 AU Ca 8 Remove two screws and remove the thermostat 4 4 2 2 Heat roller disassembly Continued from procedure 4 5 Remove screws remove the fusing cover and open the heat roller section 4 4 3 Assembly proce
70. t U2 Trouble reset Manteinance counter clear Counter setup When manteinance Counter display Special counter clear Main motor ON Mirror scan operation Operation panel display check Fusing lamp ON Cooling fan HIGH LOW speed Copy lamp ON Paper feed solenoid ON Resist solenoid ON Warm up display and aging with jam Intermittent aging Developing bias Main charger Grid high Grid Voltage Low Transfer charger Toner motor aging Cancel troubles other than U2 Cancel of U2 trouble Manteinance mini manteinance counter clear Manteinance cycle setup Mini manteinance cycle setup Maintenance mini maintenance counter display Maintenance mini maintenance preset display Total counter display Developer counter display Drum counter display P ROM version display Developer counter clear Drum counter clear Main motor system ON Cooling fan low speed Poligon motor ON Service Manual 6 1 Various setup Manual feed setup SPF setup Second cassette setup Machine duplex setup Destination setup Machine conditions check Rear edge void setup CE mark conformity control ON OFF setup Cancel of stop at developer over Memory capacity setup Polygon motor OFF time setup Transfer ON timing control setup Side void setup Sensor operation Paper sensor display status check standard provision Fusing temp Normal copy setup Fusing temperature setup 2 Exposure Copy density adjustment adjustment Gamma
71. ve the side door detection 4 Remove the PPD1 sensor PWB unit 3 Remove three screws and remove the single manual feed upper frame 4 14 Service Manual 5 Remove the E ring and remove the manual paper feed transport roller Y101700 5 6 Remove the cassette detection switch 7 Remove the multi cover Y101700 5 4 7 Rear frame section 4 7 1 List of parts No Part name Ref 1 Mirror motor 2 Main motor 3 Exhaust fan motor 4 7 2 Disassembly procedure 1 Remove three screws and remove the rear cabinet Service Manual 4 15 3 Remove two screws and one harness and remove the main motor 4 Remove two screws and one connector and remove the exhaust fan motor 4 7 3 Assembly procedure For assembly reverse the disassembly procedure 4 8 Power section 4 8 1 List of parts No Part name Ref Power PWB 4 8 2 Disassembly procedure 1 Remove two screws and one connector and remove the power PWB 4 8 3 Assembly procedure For assembly rev

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