chapter 1 general description
Contents
1. 4 3 4 Connection to a Computer 4 4 5 Turning the Scanner ON 4 4 PARTS REPLACEMENT 4 5 CANON DR 2020U FIRST EDITION 1 Periodically Replaced Parts 4 5 2 Consumable Parts 4 5 MAINTENANCE 4 6 1 User Maintenance 4 6 2 Service Maintenance 4 7 CHAPTER 5 TROUBLESHOOTING l ERROR DISPLAY an 5 1 1 Operation Panel 5 1 2 COMPU cce ie 5 3 I LIST OF ERRORS ee 5 4 1 Operation Errors 5 4 2 MAS EIOS sicco patei 5 5 Il OPERATION TROUBLESHOOTING 5 6 NO POWER 5 6 2 Not Recognized by Computer 5 7 Scanning Does Not Start 5 8 4 Slow Scanning Speed 5 9 5 Motor Does Not Work 5 10 6 Document is Not Fed 5 11 7 Document is Not Properly Fed Jam Double Feed Skew 5 11 IV IMAGE TROUBLESHOOTING 5 12 1 Completely Black Completely White 5 13 2 Too Dark Too Light 5 14 Black Borders Around Image 5 14 4 Image 5 15 5 Moire on Image 0 15 6 Spots and S2. 1 System Configuration The figure below shows the system configuration Computer Network Application software Printer Display ISIS TWAIN driver Keyboard Mouse Low level driver LLD USB driver USB host DR 2020U Figure 2 101 DR 2020U Reading images and making output to computer Computer Controlling system Application software Saving and searching images Table 2 101 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 2 1 EN CHAPTER 2 FUNCTION 8 OPERATION mn 2 Machine Configuration The figure below shows the configura tion of this machine 1 2 2 Control system Figure 2 102 Reading system Using the reading units the reading sys tem reads the image data The reading units are placed in ADF and Flatbed units Feed system Feeds documents from pickup to ejection Two document trays are provided One is for the general documents and other is for business cards only Control system Consists of the operation section opera tion panel and the control section which controls the motors and image data The control system controls the image data reading according to commands sent Operation Control section section motor image data COPYRIGHT CANON ELECTRONICS INC 2009 AC adapter Power supply from the operation section or the computer It further processes the read image data and outputs it to the computer Note however
3. 910400019260 FLATBED UNIT COVER FRONT LOWER 3 910400019250 OPERATION PANEL UNIT 4 910400019290 CAP BLIND 5 910400019240 COVER FLATBED TOP 6 910400019270 PCB ASSEMBLY MAIN 910400020400 LOWER READING UNIT 8 910400011050 CABLE USB 9 910400019320 CORD POWER 220 240V AUS CA 910400019330 CORD POWER 220 240V EUR 220 240V hh 910400019340 CORD POWER 220 240V UK UK 910400019350 CORD POWER 220 240V KR KR 910400019360 CORD POWER 120V US 120V 910400019370 CORD POWER 220 240V MLC 101 910400019300 ADAPTER AC XB4 7300 805 14 SCREW TAPPING B BH M3x8 XA9 1539 000 SCREW TAPPING B TP M3x6 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION A 5 Prepared by Quality Assurance Center Canon Electronics Inc 3 17 7 Shibaura Minato ku Tokyo 108 0023 Japan FIRST EDITION SEPT 2009 63999 canon 0909TG
4. 2009 CANON DR 2020U FIRST EDITION 5 9 CHAPTER 5 TROUBLESHOOTING Motor Does Not Work Flatbed motor The lower reading unit does not slide Cause Fault location Lock Switch Is the lock switch released NO Release it and push STOP button oystem 2 15 problem solved by YES End resetting the machine power and restarting the computer Cable connection connection of the NO Connect it correctly motor cable correct Belt assembly 4 assembly of the tim NO Assemble it correctly ing belt correct Main PCB 5 15 problem solved by YES End replacing the main PCB Table 5 305 Feed motor Rollers do not rotate Cause Fault y Check item location oystem Is the problem solved by YES End resetting the machine power and restarting the computer Cable connection 2 Is the connection of the NO Connect it correctly motor cable correct Motor lsthe problem solved by YES End replacing the feed motor Main PCB 4 Is the problem solved by YES replacing the main PCB Table 5 306 5 10 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER5 TROUBLESHOOTING 6 Document is Not Fed Document is not fed at all Document cannot be detected Error message No page was found in the feeder appears on the computer display Cause Faulty location Scanner setting Is the Paper Source prop NO Properly se
5. The operation panel displays icons and error messages The details are as de scribed below Note that these messages may not appear instantaneously For the detailed causes and counter measures refer to IV OPERATING IMAGE TROUBLESHOOTING 1 Scanner recognition After the power of this machine is turned ON only one icon with no message shown in No 1 1 in the table below is displayed on the operation panel If the scanner is connected to a computer in which software including CaptureOn Touch has been installed the scanner is recognized by the computer and the dis play changes However the display after recognition is different according to condi tions Main displays are shown in No 1 2 in the table below Display Table 5 101 COPYRIGHT CANON ELECTRONICS INC 2009 If the first display is not changed to the next one there must be a failure in the USB cable connection software installa tion or others Check and take measures CANON DR 2020U FIRST EDITION 5 1 BEE CHAPTER 5 TROUBLESHOOTING EN 2 Error display An error icon and message are displayed An example of display and a list of mes sages are shown below The error icon is the same The message with long sen tence will be scrolled for displaying Example Paper jammed in scan er clear paper and pus Figure 5 101 Paper jammed in scan The document is jamming Clean the roller and the ner clear paper and pu
6. remove the shield tape and re Alternatively carry out subsequent work move the upper shield plate At this while moving the reading unit to where it is time do not deform the connector shield out of the way plate amp as much as possible 2 Remove 2 screws CD M3x8 self tapping Note Since the upper and the lower shield and remove 2 grounding wire terminals plates are thin take care to avoid injury and support plate due to their corners or edges Note lf the shield tape is reused do not damage it during removal The main PCB which is a service part is supplied with a piece of shield tape pat 4 n b lt gt 3 7 74 Leg 3 lt Figure 3 211 3 To reduce deformation of parts in the fol lowing procedure remove 2 screws hexagon head at the rear using a dedi cated tool or pliers with a thin tip Figure 3 213 Figure 3 212 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 3 13 BEE CHAPTER 3 DISASSEMBLY amp REASSEMBLY 5 Remove 2 FFCs and relieve the cable Notes on assembling 2 from the cable stoppers 1 Note The connector for the FFC has a lock it needs to be opened before removing the FFC Refer to the figure below for details Figure 3 214 3 6 Tilt the main PCB D pull out the con nectors through the holes on the back and remove the main PCB At this time the connector shield plate 2 is also de tac
7. the Deskew or the Border Removal may cause the outer areas to dis appear from the scanned image Cause Fault y Check item location Document 1 Is there any black or deep YES Disable the functions color on the document outer such as the areas Auto detection Table 5 407 5 16 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION APPENDIX ELECTRICAL BLOCK DIAGRAM COPYRIGHT CANON ELECTRONICS INC 2009 Em A 1 Il PARTS CATALOG CANON DR 2020U FIRST EDITION IT euBis J9MOd Jeidepy LP in 5 OV duds jexe dniniN eubis namo GOO CIS GO 99d Od 944 0199 LNO 2 as JOSU9S I 03 yn IND 1J9 O1 JUOO i asn god ZNO lt E gOd 5 Duumjoguoo 191 uonegedo i 5 n jeubis daa asi lt i O gt O44 uidg zs gt NO T EN ZNO NO L LMS IND 3 O E E O J rg EE 1 td ENO m JOJO i piouejos al Dee ope press x ml ness O An S NON LAQvr Lu X paay i i ul 2105096 Losses jun A 1 CANON DR 2020U FIRST EDITION COPYRIGHT CANON ELECTRONICS INC 2009 Appendix II PARTS CATALOG 7 M N S y j b
8. CHAPTER 2 FUNCTION amp OPERATION 5 Business Card Feeding The figure below shows a sectional view of the business card feed system Pickup roller Separation roller amp business card business card Business cards EC SATB AL IP zr Es sesi Pad Feed roller Figure 2 305 When the business cards are put in a business card feeder then the pickup roller will pick up one business card into the feeder then the separation roller will separate the business card and feed the business card to the feed roller The feed roller will transport the business card to a scanning line at the same time the lower reading unit will go to the feeder scan ning line as the same as the feeder scanning then start reading the business card data The upper reading unit reads the front side of the business card and the lower reading unit reads the back side And then the eject roller will eject the business card out When the business card feeder has opened a business card sensor has de tected it And then the clutch and solenoid operate to stop the rollers in the feeding area excepting the feed roller and keep it COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 2 13 EN CHAPTER 2 FUNCTION 8 OPERATION IV CONTROL SYSTEM 1 Control Block Diagram The electrical control system of this machine is shown as below The system is composed by the main PCB operation panel two readin
9. NN lt IN 2 V 2 16 RX SEN IN USA SSSR K 22 ES Figure 100 A 2 COPYRIGHT O CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION Appendix mW PART NUMBER RANK Q TY DESCRIPTION REMARKS KEY NO 100 1 910400019060 ADF UNIT 2 910400019200 COVER BLIND LEFT FRONT 910400019190 COVER BLIND LEFT REAR 910400019090 COVER ADF FRONT 910400019100 COVER ADF REAR O N O O C 910400019070 PICKUP TRAY UNIT DOCUMENT 910400019110 TRAY EJECT EXTENSION 910400019150 ROLLER UNIT DOCUMENT 4048B001 910400020410 SCREW STEPPED M3 1 910400019140 MOTOR STEPPING DC 11 910400019210 12 910400019170 13 910400019220 14 910400019120 15 910400019130 910400019160 910400019080 910400019180 XB4 7300 805 CABLE ASSEMBLY ADF PAD SEPARATION 4048B002 HINGE ADF BOTTOM COVER UNIT FEED AND READING UNIT ROLLER PICKUP CARD FEEDER COVER UNIT PICKUP TRAY UNIT CARD SCREW TAPPING B BH M3x8 SCREW BH M3x4 SCREW TAPPING B TP M3x6 SCREW TAPPING B BH M4X12 SCREW TAPPING B BH 4 20 XB1 2300 405 XA9 1539 000 4 7401 205 4 7402 005 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION A 3 2 Flatbed Unit Figure 200 CANON DR 2020U FIRST EDITION COPYRIGHT CANON ELECTRONICS INC 2009 A 4 Appendix mW FIGURE amp PART NUMBER DESCRIPTION REMARKS KEY NO 200 1 910400019230 2
10. edges of the paper when clearing the paper jam 1 Remove any documents remaining in the document feed tray and the eject outlet 2 Open the feeder cover and confirm the location of the paper jam If the paper jam is not inside the feeder cover check the underside of the feeder or the eject outlet Figure 1 310 3 If the jammed document does not appear wrinkled or otherwise damaged close the feeder cover and press the STOP button The jammed document is ejected and the error message is cleared on the display Figure 1 311 COPYRIGHT CANON ELECTRONICS INC 2009 4 If the document is jammed at an angle or wrinkled carefully remove the document without tearing it Do not pull with excessive force Be sure to remove any pieces of paper remaining in the scanner Close the feeder cover gently Press the STOP button to clear the error message on the display After clearing the paper jam confirm whether the last document was scanned before you continue scanning oa CANON DR 2020U FIRST EDITION 1 11 CHAPTER 2 FUNCTIONS amp OPERATION SOUTEINE etait ane 2 1 IV CONTROL SYSTEM 2 14 I READING SYSTEM 2 4 V ELECTRICAL PARTS LAYOUT 2 17 FEED S YSTEIL nasse 2 9 VI PARTS LAYOUT ON PCB 2 18 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION EN CHAPTER 2 FUNCTION amp OPERATION m OUTLINE
11. feeder flatbed business card feeder for scanning documents with this scanner The types of documents that can be scanned with each method Each document method is different with its feeding method 1 Feeder Fan the pages of the document to be scanned and load the document into the feeder with the scanning side facing up And then adjust the document guides to the edges of the document Figure 1 301 1 8 COPYRIGHT CANON ELECTRONICS INC 2009 2 Flatbed Place the document on the flatbed with the scanning side facing down and align the upper left corner of the document with the positioning guide on the flatbed Note Open and close the feeder gently Ex cessive force may result in damage to the feeder or breaking the scanning glass and personal injury Scanning Side Facing Down Figure 1 302 3 Business card feeder Open the business card feeder And then place the cards into the busi ness card feeder with the scanning side facing up Figure 1 303 Note Close the business card feeder when scanning has finished CANON DR 2020U FIRST EDITION EEE CHAPTER 1 GENERAL DESCRIPTION ms 2 CaptureOnTouch A CaptureOnTouch and CapturePerfect 3 0 are supplied with the scanner and can be installed from the supplied Setup disc On this section the CaptureOnTouch is only de scribed Using CaptureOnTouch allows you to scan using easy to follow onscreen instruc tions In addition by assigning scan
12. motor Operation PCB Lower reading unit Table 2 501 Flatbed unit COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 2 17 CHAPTER 2 FUNCTION 8 OPERATION SEN VI PARTS LAYOUT ON PCB 1 Main PCB Table 2 601 2 18 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 2 FUNCTION 8 OPERATION E 2 Lower CCD PCB Note Do not remove this PCB from the lower reading unit Figure 2 602 FFC connector Home position sensor Inverter connector Table 2 602 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 2 19 CHAPTER 2 FUNCTION 8 OPERATION SEN 3 ADF Relay PCB DES2 DS DES CCD1 LET ADFMT OUT CCD2 MOTOR Figure 2 603 No Name Function 0 2 79 DS Registration sensor connector i 1 Table 2 603 2 20 COPYRIGHT O CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION CHAPTER 3 DISASSEMBLY amp REASSEMBLY l SADFUNT see 3 1 PEALBEDUNN angst 3 10 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 3 DISASSEMBLY amp ASSEMBLY ADF UNIT 1 ADF Unit Entire 2 Pickup Tray Unit 1 Remove 2 screws D with a connector 1 Open the feed cover D tilt the rear side on the rear side and remove the connector plate inward unhook the fitting parts 3 and slide it to the front slightly Then sli
13. movement at the flatbed scanning Home position VW Leading edge of image V Return position 4 Reading unit Scanning starts T 1 Flatbed motor HN E D Home position 1 Move of reading unit 2 Image reading 3 Return 2 204 When the scanning start signal is output the reading unit moves forward and back ward from the home position to read the shading sheet and reconfirm the home po sition Then it moves at a speed appropriate to the reading conditions reading the image within the required area Thereafter the reading unit goes back to the home position at a specified speed then stops there COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 2 EN CHAPTER 2 FUNCTION 8 OPERATION m 3 Feeder back side reading The general specifica In the feeder scanning the lower read tions and compositions of the upper reading ing unit is used for the front side reading unit are the same as the lower reading unit and the upper reading unit is used for the l see nee Shading sheet for lower unit Position at documet reading Shading sheet for upper unit Background sheet for upper unit Position at shading sheet reading Figure 2 205 In the same way as the flatbed scanning After completing image reading the when the scanning start signal is output the lowe
14. screws D M4x12 self 2 Remove 2 screws D M4x12 self tapping tapping Figure 3 117 Figure 3 119 3 Remove the screw D M4x12 self 3 Remove the feed motor tapping and remove the hinge right 2 Page 3 7 4 Remove the screw D M4x12 self tapping and remove the hinge left amp Figure 3 118 Notes on assembling Figure 3 120 The hinge right and the hinge left are the same parts Notes on assembling The hinge right and the hinge left are the same parts 3 6 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 3 DISASSEMBLY amp ASSEMBLY 10 Feed Motor 11 ADF Cable 1 Remove the ADF rear cover 1 Remove the ADF rear cover Page 3 3 Page 3 3 2 Remove the connector D and 2 screws 2 Remove 2 screws D TP head self 2 M3x4 align the gear with the hole tapping the screw M3x4 and 3 position of the side plate and pull out the connectors and remove the ADF cable feed motor straight 2 Figure 3 121 Figure 3 122 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 3 BEE CHAPTER 3 DISASSEMBLY amp REASSEMBLY 12 ADF Relay PCB 1 Remove the ADF cable Page 3 7 2 Remove 3 screws D M3x8 self tapping and 10 connectors including 2 FFCs and remove the ADF relay PCB Figure 3 123 Notes on assembling Connect the connectors excepting the FFCs to the receptacles on the PCB
15. tapes V and protective sheets from the scanner and then release the lock switch NN D SB Le Figure 4 102 4 2 COPYRIGHT O CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION wa CHAPTER 4 INSTALLATION amp MAINTENANCE 3 Installing the Software Precautions Install the software before connecting the scanner to the computer Be sure to log on to the OS Windows with administrator privileges Close all other applications before install ing the software Check the operating environment of the computer system Refer to user manual for details 1 Turn the computer power on Note lf the scanner is connected and the computer power is turned on before the software is installed the following wizard screen appears Click the Cancel button to close the wizard Install the software before connecting the scanner 7 Found New Hardware Windows needs to install driver software for your CANON DR Locate and install driver software recommended Windows will guide you through the process of installing driver software for your device i gt Ask me again later Windows will ask again the next time you plug in your device or log on Don t show this message again for this device Click Your device will not function until you install driver software Figure 4 103 2 Insert the Setup Disc into the CD drive The setup wizard automatica
16. that the computer also proc esses the image data Power supply system Consists of a packaged AC adapter DC DC converters and regulators set on the internal PCB The system generates DC power from AC adapter which is supplied to the individual sections CANON DR 2020U FIRST EDITION m CHAPTER 2 FUNCTION 8 OPERATION 3 Outline of Electric Circuit The figure below shows the outlines of the block diagram A LL Sensors x5 CCFL i CCD PCB O Feed motor I co 3 Sensor er Flatbed unit Operation Flatbed i motor Switches x13 LCD Main PCB ji Power connector IC USB connector I Figure 2 103 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 2 3 EN CHAPTER 2 FUNCTION amp OPERATION Il READING SYSTEM 1 Outline The reading units are placed in the flatbed unit and ADF unit In the flatbed scanning the reading unit in the flatbed unit named lower reading unit is used for its reading In the feeder scanning the lower read Feed unit Upper reading unit ing unit is used for the front side reading and the reading unit in the ADF unit named upper reading unit is used for the back side reading For the business card scanning it is reversed on the side The cross section of the reading system is shown below Roller unit A Document
17. the reading speed and sends the 1st document to the feed section Image reading starts after the registration sensor is set on and the speci fied length of document is fed The lower reading unit reads the front side of the document and the upper reading unit reads the back side The feed motor keeps running until the 1st document is fed to the eject area And the machine repeats the same procedures to read the image of the 2nd document Then the feed motor stops for a moment then ejects the 2nd document at the eject speed When the pickup area has no more document and the document sensor is turned off the machine determines the 2 12 COPYRIGHT CANON ELECTRONICS INC 2009 present document as the last one and ejects it at the eject speed When the setting of Scan Ahead is cancelled the 2nd document need to stop in the feeding area until the image data of the 1st document is sent out Therefore magnetic clutch is turned on and then the rollers in feeding area excepting the feed roller are stopped to stop the 2nd document Error signal Paper Jam is output in the following events Even after the machine starts feeding and the specified time 30 seconds passes the registration sensor does not detect the document Even after the registration sensor detects the document and the specified length 406 mm 16 inches passes the regis tration sensor detects the document till CANON DR 2020U FIRST EDITION m
18. to meet the same color and pin numbers 3 8 COPYRIGHT CANON ELECTRONICS INC 2009 13 Feed and Reading Unit 1 Remove the ADF front cover Page 3 2 2 Remove the ADF rear cover Page 3 3 3 Remove the feed cover Page 3 5 4 Remove the feed motor Page 3 7 5 Remove 5 screws D M3x8 self tapping 2 screws 2 flat head stepped the screw M3x4 for the grounding cable of the ADF cable and the cables connected to the ADF relay 2 and then remove the feed and reading unit Figure 3 124 CANON DR 2020U FIRST EDITION m CHAPTER 3 DISASSEMBLY amp ASSEMBLY 14 ADF Bottom Cover 1 Remove the feed and reading unit Page 3 8 2 Remove the ADF relay PCB Page 3 8 3 Remove the hinges left and right Page 3 6 Page 3 6 4 The remaining part is the ADF bottom cover D Note The black pressure board is attached with adhesive tape Figure 3 125 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 3 9 BEE CHAPTER 3 DISASSEMBLY amp REASSEMBLY I FLATBED UNIT Note For details on removal of the ADF unit 3 Hold the hinge insertion hole with a hand entire refer to page 3 1 and pull off the top cover CD from the base side Note Since dust may enter the inside easily Note For details on how to unhook the front when the top cover is removed perform fitting parts refer to the following pro work in a place where there is as little c
19. tray the document will push the sensor arm down and start detecting When feeder scanning starts the pickup roller will pick up one document into the feeder then the document will transport to the inside more When the document is detected by the registration sensor the feed motor will go forward the specified steps then the reading unit starts reading The first document tail comes off document sensor if another document is detected by the document sensor the fol lowing document will continue to transport to the feeder It will repeat until no document is detected by the document sensor The middle sensor is used for the con COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 2 11 EN CHAPTER 2 FUNCTION 8 OPERATION mw 4 Sequence of Operation The figure below shows a timing chart of the feeder scanning in case where the machine uses a document of two sheets and basic con ditions black and white 300 dpi A4 Start Document sensor Flatbed motor Feed motor 1st document Registration sensor Image reading E EAS ES Front Backside Front Backside 2 I Readingposition Pl NM Readingspeed i 2nd document Figure 2 304 When the scanning start signal is output the flatbed motor starts running and moves the lower reading unit to the reading position for the feeder scanning Then the feed motor runs at
20. 9 CANON DR 2020U FIRST EDITION Gmm CHAPTER 5 TROUBLESHOOTING Note Depending on the type of image and on the setting document reproducibility might be poor In such a case the image may be improved by changing the setting items This machine has the lower reading unit and upper one Therefore if only the image on the same side is bad the cause is in the reading unit for that side or a part related to it 1 Completely Black Completely White Scanned image is completely black completely white or black stripes only Cause Faulty location Brightness setting Check item Action e the setting Adjust the Contrast in addition if necessary Is the Brightness properly set Paper Source setting results from selecting flat bed with no document set Is the Paper Source prop Change setting erly set Completely black image there ADF cable connection 3 Is the ADF cable con Connect nected Lai note below Lock switch position 4 Is lock switch released Release a note below NO Possibly the machine or the software is faulty Carry out check items power and restarting the computer listed in 11 OPERATION TROUBLESHOOTING See note below Is the problem solved by YES resetting the machine Reading unit FT iulii the connection of the La Connect it properly cable FT iulii Is the problem solved by i End replacing the reading
21. C 2009 CANON DR 2020U FIRST EDITION 2 15 CHAPTER 2 FUNCTION 8 OPERATION SN Corresponding to the density of each picture element the CCD PCB outputs an analog signal to the analog processor on the main PCB The analog processor adjusts the offset and the gain and then executes A D con version Thereby the analog signal is con verted to a 16bit digital signal Then the image data is output to the controller where it is tentatively saved in the SDRAM This 16bit signal is converted to an 8bit signal at this time There are 2 SDRAMS one for the front side image and another for the back side The image data is then output to the computer via the USB interface All the image processing executed by this machine is as described above Any other image processing is carried out inside the computer Refer to the Figure 2 402 for details Inside the computer the image is processed as settings by the user This machine can output the resolution of 600 dpi or 300 dpi In case of the setting resolution is 300 dpi or less this machine outputs 300 dpi data And in case of the 400 dpi or 600 dpi 600 dpi data is output If the smoothing is selected the resolution is kept at 600 dpi 2 16 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION EN CHAPTER 2 FUNCTION 8 OPERATION mE V ELECTRICAL PARTS LAYOUT Document sensor Registration sensor Business card sensor ADF unit Home position sensor Flatbed
22. COPY A E Page Size Auto size detect I 4 gt Dots per inch 200 dpi FILE 5 Scanning Side Duplex 5 E MAIL Advanced display Y 1 2 Confirm output Color PDF 02 B Enable continuous scanning Color PDF 03 C Color PDF 04 1 Color PDF 05 E m Deb Figure 1 307 Register the scanning conditions and output methods as jobs and then select a job that matches your intended purpose to begin scanning Figure 1 308 You can also select registered jobs using the buttons on the operation panel User Defined Job Buttons Scroll Keys Job Buttons Figure 1 309 1 10 COPYRIGHT CANON ELECTRONICS INC 2009 Three preset jobs are assigned to the job buttons and the respective scan ning procedures will be processed automatically when these buttons are pressed Registered jobs can be assigned to the user defined job buttons When you press a user defined job button and then press the START button the scan job assigned to the button begins You can also select registered jobs us ing the scroll keys When you press the SIART button the selected scanning job begins CANON DR 2020U FIRST EDITION NA CHAPTER 1 GENERAL DESCRIPTION 3 Paper Jam Handling If a paper jam occurs while scanning from the feeder an error message appears on the display panel Follow the procedure below to clear the jam Be careful not to cut your fingers on the
23. DR 2020U SERVICE MAN UAL WITH PARTS CATALOG FIRST EDITION canon SEPT 2009 MY8 13AK 000 COPYRIGHT CANON ELECTRONICS INC 2009 2020U FIRST EDITION COPYRIGHT O CANON ELECTRONICS INC 2009 Use of this manual should be strictly supervised to avoid disclosure of confidential information This Service Manual describes necessary basic information for field service and maintenance for maintaining the product quality and functions of this machine Contents Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Appendix General description Features specifications name of parts operation method Functions and operation Description of operation of machine system and electrical system by function Disassembly and reassembly Disassembly method reassembly method Installation and maintenance Installation method maintenance method Troubleshooting Error display and troubleshooting General electrical block diagram and parts catalog etc Information in this manual is subject to change Notification of such changes will be given in Service Information Bulletins Thoroughly read the information contained in this Service Manual and the Service Information Bulletins to gain a correct and deeper understanding of the machine This is one way of fostering response for ensuring prolonged quality and function and for investigating the cause of trouble during troubleshooting Q
24. ELECTRICAL PARTS LAYOUT 2 17 VI PARTS LAYOUT ON PCB 2 18 14 2 18 2 Lower CCD 2 19 3 ADP Relay 2 20 CHAPTER 3 DISASSEMBLY amp REASSEMBLY ADENT cm 3 1 1 ADF Unit Entire 3 1 2 PICKUP Tray 3 1 ADF Front 3 2 4 ADF Rear Cover 3 3 5 Business Card Tray Unit 3 4 6 Business Card Roller 3 4 7 Feed 3 5 9 Hirige Aliada 3 6 9 Finge LS ea 3 6 10 Feed Motor 3 7 ADE able natu eso ee 3 7 12 ADF Relay 3 8 13 Feed and Reading Unit 3 8 14 ADF Bottom Cover 3 9 FLATBED 3 10 1 Top 3 10 2 Front Lower 3 11 Operation Panel Unit 3 11 4 Reading Unit 3 12 5 Malin POB en 3 13 CHAPTER 4 INSTALLATION amp MAINTENANCE INSTALLATION ea 4 1 1 Checking the Accessories 4 1 2 Removing the Packing Materials 4 2 Installing the Software
25. ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION CHAPTER 5 TROUBLESHOOTING 2 Not Recognized by Computer Note Install the driver the computer before connecting the scanner Cause Fault y Check item location Connection of USB 1 Is the USB cable con NO Connect properly cable nected oystem Is the problem solved by YES End resetting the machine power and restarting the computer Scanner driver lsthe scanner driver in NO Install stalled USB cable 4 15 the problem solved by YES replacing the USB cable Main PCB 5 Is the problem solved by YES End replacing the main PCB Table 5 302 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 5 EN CHAPTER 5 TROUBLESHOOTING 3 Scanning Does Not Start Error message appears The reading unit does not work Te Door open Is the feeder cover or ADF YES Close it and push unit open STOP button switch Is the lock switch released Release it and push STOP button ALamp Error 1 Is the lamp lit NO Check the cable con nection YES Reset the power Restart the computer Check the shading sheet A Feeder disconnect Is the ADF connector con NO Connect it nected Job related error Is the job properly set NO Set Set properly YES Check the system in cluding the network Error messages above Is the problem solved by resetting th
26. G NN 6 Spots and Streaks on Image If the reading glass surface is dirty when the flatbed scanning is used the state of the spot on the glass shape and color appears on the scanned image In case of the feeder scanning spots on the feed system including the feed roller etc appear on the document or those on the reading glass for the feeder that make streaks in the feed direction on the scanned image On the other hand white streaks appearing on the scanned images for both flatbed and feeder scanning are caused by dirty shading sheet in most cases In particular if white streaks appear outstanding in a slightly light area on a color and gray image it can be said that it is caused by dirty shading sheet Cause Faulty Step Check item Result Action location Roller unit and separa Are the surfaces clean NO Clean or replace the tion pad for feeder roller unit and or the scanning separation pad Feed unit for feeder Is the feed path clean NO Clean scanning Reading glass Are the reading glasses Clean clean Replace the feeder for both flatbed and feeder cover unit if scratches scanning are found on the back surface Shading sheet Are the shading sheets Id feted and feeder Clean the dust on the 2222 xs entrance area of the 9 reading unit or replace the reading unit Table 5 406 7 Outer Areas of Image Disappear When scanning a document with black or deep color outer areas and selecting the Auto detection
27. Lift the lock lever side then the shaft are as follows side on the other side Open the document feed tray and feeder cover And then raise the lock lever of roller unit in 2 steps Figure 4 302 Figure 4 301 4 6 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION CHAPTER 4 INSTALLATION 8 MAINTENANCE wu Grasp both sides of the separation pad 2 Service Maintenance with your fingers and remove the For this machine no periodical mainte separation pad nance item by the service technicians is um specified However when visiting a user check p whether the reading glass and the roller are 2 dirty If they are very dirty instruct the user to follow the user maintenance procedures Recommend the user to replace consumable part s if necessary To transport this machine lock the read Figure 4 303 ing unit using the lock switch iv Use a cloth dampened with water and thoroughly wrung out to wipe the rollers and separation pad clean Figure 4 304 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 4 7 CHAPTER 5 TROUBLESHOOTING ERROR DISPLAY I LIST OF ERRORS COPYRIGHT CANON ELECTRONICS INC 2009 nA 5 1 OPERATION TROUBLESHOOTING usitas o aiat 5 4 IV IMAGE TROUBLESHOOTING CANON DR 2020U FIRST EDITION ma CHAPTER 5 TROUBLESHOOTING l ERROR DISPLAY 1 Operation Panel
28. Reading glass Reading glass feeder flatoed Lower reading unit Figure 2 201 2 4 COPYRIGHT O CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 2 FUNCTION amp OPERATION 2 Flatbed The figure below shows a cross section of the lower reading unit And the basic of reading is described using this figure Lens Shading sheet Document Lamp Reading glass Mirror Lower reading unit Figure 2 202 While the lower reading is moving the light emitted by the light source fluorescent lamp passes through the reading glass is reflected by the document then goes into the reading unit In the reading unit the incident light is reflected by five mirrors passes through a lens and reaches the CCD The CCD PCB converts the data to analog signals which are output to the main PCB As the light source the machine uses a cold cathode fluorescent lamp CCFL which is generally called a fluorescent lamp The CCD is a three color R G B three line sensor having a picture element density of 1200 dpi and an effective picture element of 10680 pixels It is noticeable that the CCD can make analog grayscale outputs besides the R G B outputs And an actual output density is 600 dpi or 300 dpi The shading sheet is placed between the reading glass and the flatbed cover so COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION that it is aligned to the home position of the reading
29. ars To control the operation the feed sec tion has sensors which detect the document by the shift of the detection lever There is a document set section for business cards on the left side of the above figure Refer to the 5 Business Card Feeding section for details COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 2 9 EN CHAPTER 2 FUNCTION amp OPERATION m 2 Pickup Operation The figure below shows the appearance of the pickup side of the feed system Figure 2 302 When execute the feeder scanning the roller unit will rise an angle then put docu ment in the document feed tray for pre venting document go into the pickup roller too deep the document stoppers will stop document When start a feeding the roller unit will go down and the document will be forwarded and the document stoppers down to let document go through it 2 10 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 2 FUNCTION amp OPERATION E 3 Feed Operation The figure below shows the appearance of the feed side of the feed system Document sensor Middle sensor Registration sensor Ape ede Figure 2 303 The document sensor is assembled in trol at the Scan Ahead OFF setting and the the pickup side as the first sensor for the detection for the short length document feed system The document sensor can detect whether there is document or not When put the document in the document
30. be replaced periodically They are usually assigned as service parts which must be replaced by service technicians Note however that those periodically replaced parts that have limited storage periods are as signed as commercially available products The consumable parts are those that are replaced when in failure They are assigned as products and or service parts The users or the service technicians replace them Note Refer to Appendix Il PARTS CATA LOG for the service parts COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 4 5 EN CHAPTER 4 INSTALLATION 8 MAINTENANCE ME II MAINTENANCE 1 User Maintenance Hefer to user manual for details 1 List No Location Part Mem Details 0 1 Main body Cleaning Wipe the surfaces with a cloth dipped into water and wrung tightly then wipe dry 2 Feed path Cleaning Using a blower etc remove dust and paper powder from the document feed opening and inside of the feeder Reading glass Wipe with a clean and dry cloth 5 Roller unit Cleaning Remove the roller unit from the main body replacement Wipe the surfaces with a cloth dipped into Separation pad Cleaning Toler unit and the separation pad are con replacement sumable parts and which expected life is 50 000 sheets See the next section for details Table 4 301 2 Roller unit and separation pad ii Remove the roller unit How to remove them and where to clean
31. cal state or federal laws COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 1 5 BEE CHAPTER 1 GENERAL DESCRIPTION ES Il NAME OF PARTS 1 Front Side Figure 1 201 Feeder Cover Business Card Feeder Document Guides See Note Pressure Board Document Feed Tray See Note 9 Scanning Glass Feeder See Note Document Eject Tray Lock Switch Eject Tray Extension Scanning Glass Flatbed See Note 6 Operation Panel this manual Document Feed Tray and Document Guides together may be men tioned as Document Pickup Tray And Scanning Glass may be mentioned as Reading Glass 1 6 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION CHAPTER 1 GENERAL DESCRIPTION EM 2 Operation Panel 3 Rear Side Figure 1 202 Job Buttons COPY FILE E MAIL Display Panel User Defined Job Buttons A B C D E Figure 1 203 Ie v El Power Indicator Scroll Keys Up Down START Button STOP Button POWER Button USB Connector ADF Connector Power Connector e e e e COPYRIGHT O CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 1 7 BEE CHAPTER 1 GENERAL DESCRIPTION ES II USER OPERATION For details refer to the User Manual of this machine For installation and maintenance refer to CHAPTER 4 INSTALLATION amp MAINTENANCE 1 Document Setting There are three feeding methods
32. d remove Page 3 4 the ends of the roller shaft 2 Remove one of the E rings D remove the Note This guide plates are placed into the roller shaft 2 and business card roller 3 grooves Figure 3 113 Figure 3 111 Notes on assembling 2 Pull the business card tray unit CD Install the timing belt in the business card straight unhook 2 pairs of fitting parts roller and remove the business card tray unit Figure 3 112 3 4 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 3 DISASSEMBLY amp ASSEMBLY 7 Feed Cover Notes on assembling 1 Remove the ADF rear cover The business card roller D must be out Page 3 3 side the feed cover Insert the above shaft 2 Remove the business card tray unit fitting parts amp in the step 4 close the feed Page 3 4 cover and hook the fitting parts in the re 3 Remove the connector D verse order of the removal Figure 3 114 Figure 3 116 4 Open the feed cover CD tilt the rear side unhook the fitting parts fitting parts and fitting parts in this order and finally unhook the shaft fitting parts 6 of the front side and remove the feed cover Figure 3 115 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 3 5 BEE CHAPTER 3 DISASSEMBLY amp REASSEMBLY AAA 8 Hinge Right 9 Hinge Left 1 Remove the ADF rear cover 1 Remove the ADF rear cover Page 3 3 Page 3 3 2 Remove 2
33. d scanner with ADF Tray closed 440 W x 400 D x 180 mm 7 8 kg Main body only excepting AC adapter Power rating 1 Main body 24 VDC 1 2A 2 AC adapter Input 100 V 240 VAC 50 60 Hz 1 2A 100 V 0 7 A 240 V Output 24 VDC 2 2A USB2 0 Hi Speed Expected product life One of the following items whichever comes first In house information 1 5 years 2 Feeder 150 000 sheets A4 copy paper There are parts needed to replace 3 Flatbed 50 000 sheets 4 Business card slot 15 000 sheets 9 Installation Consumable parts 1 Roller unit commercial goods 2 Separation pad Expected life 50 000 sheets Feeder ADF Document feed path U turn path 11 Document size 1 Width 139 7 to 216 mm 2 Length 100 to 355 6 mm 12 Document weight 50 to 128 g m 0 06 to 0 15 thickness 14 13 Document storage 1 A4 or less 50 sheets max and 5 mm height max pickup 2 A4 over Feeding function is no guarantee and rec ommended one sheet at a time 14 Double feed detection Length detection only Business card 2 Length 85 to 91 mm thickness pickup Table 1 101a 1 2 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION EN CHAPTER 1 GENERAL DESCRIPTION No Item Specifications Flatbed 19 Maximum reading size 216 x 297 mm Document reading Number of reading units 1 One in the ADF it is called as upper reading unit 2 One in the FB it is called a
34. de the fitting parts 4 on the opposite side and remove the pickup tray unit Note Since the fitting parts strike the part marked with perform work to avoid gt damage to them This also applies 7 during assembly Figure 3 101 2 Fully open the ADF unit lift it and remove it while removing the right and left hinges Figure 3 103 Note Since other disassembling work may become easier this pickup tray unit Figure 3 102 may be removed even if it is not speci fied in the procedure for this chapter Note The machine in the figure for this chapter may have a few difference with the mass production s one COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 3 1 BEE CHAPTER 3 DISASSEMBLY amp REASSEMBLY 3 ADF Front Cover 3 Open the feed cover and remove the 1 Remove 2 screws M3x8 self tapping screw 2 M3x8 self tapping Press the on the back side central part of the side unhook the fit ting parts inside then remove the ADF front cover while lifting it Note When the ADF front cover is removed the eject extension cover is detached Figure 3 104 2 While pressing the surface of the corner cover slide it to the outside unhook 2 pairs of the fitting parts inside and remove the corner cover Figure 3 106 Notes on assembling First assemble the fitting parts of the ADF front cover and the eject extension cover F
35. e power re Check the connection of starting the computer inside parts Main PCB Is the problem solved by YES replacing the main Table 5 303 Scanning by the job function is impossible if Disable device events is selected on the Windows event setting screen Tens of seconds are required to warming up the lamp after the machine power is turned on or the machine is resumed from the sleep mode This is not a failure By the Windows power control setting screen however the user can change the time before the sleep mode is on Refer to the user manual for details Figure 5 301 5 8 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION a CHAPTER 5 TROUBLESHOOTING 4 Slow Scanning Speed Selecting higher resolutions color setting and or special functions further makes the scan ning speed slower Should the scanning speed be too slow after taking all of these considerations the possible causes are as listed below C Faul location Insufficient memory 1 Is any other application ac YES Close unnecessary ap capacity in computer tivated plications 2 Is hard disk short of YES Increase empty memory empty memory of the hard disk Is the USB card supported NO Use a recommended USB card 2 lsthe USB cable sup Use a supported USB ported cable Hi Speed USB2 0 is not supported Table 5 304 COPYRIGHT CANON ELECTRONICS INC
36. edure dust as possible to prevent dust from entering 1 Top Cover 1 First release the lock lever CD of the reading unit N Figure 3 203 4 Since the front side is fitted with the front lower cover CD remove it while tilting the top cover 2 slowly Note Prevent damage to the fitting parts with the front lower cover Figure 3 201 2 Pull out 4 caps D with a tool with a flat thin tip and remove 4 inner screws M3x8 self tapping Figure 3 204 Notes on assembling If there is any dust inside remove it and then install the top cover And clean a back side of the reading glass Figure 3 202 3 10 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION EN CHAPTER 3 DISASSEMBLY amp REASSEMBLY S 2 Front Lower Cover 1 Remove the top cover Page 3 10 3 Operation Panel Unit 1 Remove 2 screws D M3x8 self tapping on the back side 2 Pull the front lower cover to the front Note lf the flatbed unit is turned over after and remove it while unhooking the inner removing the top cover one side of the reading unit falls Therefore first re move the screws on the back side fitting parts Figure 3 205 COPYRIGHT CANON ELECTRONICS INC 2009 Figure 3 206 2 Remove the top cover Page 3 10 3 Remove the front lower cover Page 3 11 4 Remove the operation panel D and re move the cable on the back side Note Do not pull it excessive
37. essages The figure below shows several exam ples of error messages when using turePerfect 3 0 CapturePerfect 3 0 No page was found in the feeder Canon DR 2020U Driver Version 1 0 10905 18001 4401 CapturePerfect 3 0 i The scanner cover or upper unit is open Remove jammed paper and push STOP button Canon DR 2020U Driver Version 1 0 10905 18001 4429 CapturePerfect 3 0 Paper jammed in scanner clear paper and push STOP button Canon DR 2020U Driver Version 1 0 10905 18001 4426 Figure 5 102 If the scanning is performed immedi ately after turning the power on or returning from a sleep mode the following display is shown on the computer display Warming up Figure 5 103 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 5 3 BEE CHAPTER 5 TROUBLESHOOTING NN Il LIST OF ERRORS The lists below give the major error machine the service technician is required conditions and their causes See the next to operate in the same way as the user does section for details of the causes and the when checking the machine operation Use measures to be taken the driver packaged with the product and Because no service mode and no appropriate application software software for servicing are available in this 1 Operation Errors Note Major causes of each error are marked X System Hard Connec Software ware tion D NER MU Gm 2 Notrecognized by X co
38. etting 2 15 the document set at the NO Set at the correct posi correct position tion Setting of Is Auto detection or Bor N Set Auto detection for der Removal set Black border can be paper size or removed by image Border Removal processing Table 5 403 5 14 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 5 TROUBLESHOOTING 4 Image Skews If the document is set slanting for flatbed scanning or skews when fed for feeder scanning then the image skews Cause Faulty location Document setting Is the document properly Properly set set Step Check item Result Action Deskew setting Is the Deskew set Set Slant can be corrected by image processing Document feeding Is the document fed Carry out check items straight listed in OPERATION TROUBLESHOOTING 7 Document is Not Properly Fed Table 5 404 5 Moire on Image Moire is likely to appear when a photograph is color scanned with a low resolution from a magazine or a catalog When the Color Smoothing is set on the averaging function converts the resolution for the data read with a resolution of 600 dpi suppressing occurrence of moire Cause Fault Check item location Color Smoothing set 1 Is the Color Smoothing i 2 ing dx Heighten the resolution Table 5 405 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 5 15 CHAPTER 5 TROUBLESHOOTIN
39. functions to the buttons on the DR 2020U scanner s operation panel you can perform scanning procedures without your computer The following describes the output pro cedures for the two screens found in Cap tureOn Touch 1 Scan First The screen of the Scan First tub is shown below imageFORMULA DR 2020U CaptureOnTouch es Y imageFORMULA Figure 1 304 COPYRIGHT O CANON ELECTRONICS INC 2009 Select an output method after a document is scanned and then configure the nec essary settings Scan document Select output method Configure output settings Output scanned images 1 305 use the Scan First default settings press the START button when Ready appears on the display panel START STOP POWER START Button Figure 1 306 If you press the START button while a job appears on the display panel scanning for that job will begin CANON DR 2020U FIRST EDITION 1 9 BEE CHAPTER 1 GENERAL DESCRIPTION ES 2 Select Scan Job The screen of the Select Scan Job tub is shown below X imageFORMULA DR 2020U CaptureOnTouch ES Y imageFORMULA Qe Scan First Select Scan Job EL ZZA Scan gt Output confirmation gt Finish Select job and press Start button Job list Job details Output me Job title No Button Color mode 24 bit Color La 7
40. g units and two motors mainly And this system is con trolled by the scanner controller on the main Flatbed Motor p Ld Operation Panel Motor Driver U3 Scanner Controller U4 Lower Reading Unit Multiplexer U1 PCB The operation panel and reading units are connected to the main PCB The 24 VDC power is provided by the AC adaptor The USB connector on Main PCB is to connect the computer using the USB cable ADF unit Motor Driver U7 USB 24 VDC AC Adaptor Figure 2 401 2 14 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 2 FUNCTION amp OPERATION E 2 Image Processing The figure below shows a block diagram of image processing executed by this ma chine This machine Reading unit SDRAM 32 MB x 2 Upper Lower Inverter Analog processor Controller e Offset adjustment e CCLF lighting e Gain adjustment control dr e A D conversion W e 16 bits to 8 bits USB I F Computer Resolution conversion Shading correction Color Grayscale Data after shading correction Color correction 3 dimension Other processes e Size detection e Black border removal e Punch hole removal e Others 1 dimensional gamma correction Edge emphasis Binary Colorw Grayscale Data after image processing Figure 2 402 COPYRIGHT CANON ELECTRONICS IN
41. ghtly with fingers so that it does not lift Figure 3 219 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 3 15 CHAPTER 4 INSTALLATION amp MAINTENANCE ls INSTALLATION conan 4 1 Il MAINTENANCE 000 00 eeeeeeeeeeeeeeeees 4 6 I PARTS REPLACEMENT 4 5 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION EN CHAPTER 4 INSTALLATION amp MAINTENANCE I INSTALLATION This machine can be installed by users For installation refer to Reference Guide packaged with the product The installation procedures are as follows 1 Checking the Accessories Unpack the product and make sure that it contains all of the following accessories Note that the packaged accessories may differ depending on the sales region DR 2020U USB Cable Type A Type B Length 1 8 m Reference Guide Registration Card U S A and Canada only Setup Disc Adobe Acrobat Setup Disc Figure 4 101 Note lt is recommended to keep the pack aging and the packing materials for storing and transporting the machine COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION AC Adapter Power Cord Connected length 2 6 m Warranty Card U S A and Canada only Application Software Disc 4 1 EN CHAPTER 4 INSTALLATION 8 MAINTENANCE ME 2 Removing the Packing Mate rials Remove the scanner from the box re move the orange
42. hed And remove the cable Figure 3 215 The main PCB which is a service part consists of a PCB body a connector shield plate and a piece of shield tape It does not include 3 rubber sheets for radiation If the main PCB is replaced use the parts attached to the old main PCB Refer to the next item for details Verify that 3 rubber sheets D for radiation are placed on the specified ICs TT TUE 144141 Figure 3 216 If the connector shield plate is deformed correct it manually The connector shield plate must contact the upper shield plate without any gap Contact gt OK Open gt Figure 3 217 3 14 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION CHAPTER 3 DISASSEMBLY 8 REASSEMBLY 4 The FFC must be inserted straightly into 6 Attach the shield tape CD so that it joins the connector and the lock must be the FFC shield part and the upper shield closed plate Figure 3 218 5 When assembling the upper shield plate do not deform the connector shield plate as much as possible and both parts must contact each other correctly after assem bly Assemble them being careful not to strike the end of the upper shield plate against the component on the PCB The bend D at the rear contacts the out side of the lower shield plate Figure 3 220 7 When fixing the connector shield plate with 2 screws hexagon head hold the connector shield plate li
43. igure 3 105 3 2 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 3 DISASSEMBLY amp ASSEMBLY 4 ADF Rear Cover 4 Open the feed cover D and remove the 1 Remove the ADF unit entire screw M3x8 self tapping Press the Page 3 1 central part of the side unhook the fit 2 Remove 2 screws D M3x8 self tapping ting parts 4 inside then remove the ADF and 4 screws 4 20 self tapping rear cover 5 while lifting it Note Do not pull it excessively because a cover stopper is connected to it When the ADF rear cover is removed the eject extension cover is detached Figure 3 107 3 While pressing the surface of the corner cover CD slide it to the outside unhook a pair of the fitting part inside and re Figure 3 109 move the corner cover If it is hard to re move open the feed cover and insert the 5 Remove the cover stopper D from the tool from the hole with triangle mark ADF rear cover and then down the fitting part to remove Note Take care of it not to break a tweezers can use if necessary And this step 5 can be done before step 4 Figure Figure 3 110 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 3 3 BEE CHAPTER 3 DISASSEMBLY amp REASSEMBLY AA 5 Business Card Tray Unit 6 Business Card Roller 1 Open the business card tray unit CD press 1 Remove the business card tray unit widen 2 guide plates an
44. ld be explained the items that relate to user safety and instructed to take appropriate actions 1 Power OFF in emergency If such abnormal conditions as extraordi nary noise smoke heat and odor occur immediately unplug the power cord Be careful not to get clothing ties long hair etc caught in this machine as it may cause injury Should this occur immedi ately unplug the power cord Do not insert fingers in the feed section while moving the rollers 2 Power OFF on disassembling When disassembling and assembling are performed unplug the power cord 3 Prohibition of modify This machine must not arbitrarily be modified or remade If it is use may be forcibly suspended To change the specifications or disas semble and reassemble this machine follow the instructions described in this manual and the service information 4 Electromagnetic wave interference This machine complies with some stan dards regarding electromagnetic wave interference such as and FCC However the user may have to take countermeasures if the machine causes electromagnetic wave interference User Manual Read each User Manual thoroughly prior to use of this machine Disposal Follow local regulations when disposing of the product and parts This product is subject to the WEEE Directive in Europe The lamps CCFL for the reading units inside this product contain Mercury and must be recycled or disposed according to lo
45. lly starts up Figure 4 104 COPYRIGHT CANON ELECTRONICS INC 2009 For Windows Vista If the following screen appears enter the current administrator password and click OK User Account Control Es If you started this program continue autorun Canon Electronics Inc To continue type an administrator password and then click OK men Lis NE Password M Details OK Cancel User Account Control helps stop unauthorized changes to your computer Figure 4 105 3 Click Typical Installation All the software is installed Refer to user manual for the other options Canon Y imageFORMULA DR 2510C Canon Document Scanner Setup li ck Typical Installation Custom Installation J Read Manuals Exit J Figure 4 106 4 Follow the instructions on the screens to complete CANON DR 2020U FIRST EDITION 4 3 CHAPTER 4 INSTALLATION 8 MAINTENANCE 4 Connection to a Computer Connect the cables as the figure below Figure 4 107 5 Turning the Scanner ON Press the POWER button to turn the scanner on and the power indicator will light And an indication Scan First will be dis played in the display panel LCD after a initial operation is done For details of the power link function refer to the figure below To turn the scanner off press and hold the POWER button till an indication Power off is dis
46. ly because a cable is connected to the back side Figure 3 207 CANON DR 2020U FIRST EDITION 3 11 BEE CHAPTER 3 DISASSEMBLY amp REASSEMBLY 4 Reading Unit 3 Remove the guide shaft O from the base Note Handle the reading unit carefully Do and reading unit not give a shock to it Do not stain the Note Do not pull it excessively because a fluorescent tube or the reflection plate cable is connected to the back side of at the place where the image is read the reading unit and the black and white sheets Prevent Grease is applied on the guide shaft If dust from entering the inside grease is on a finger remove it 1 Remove the top cover Page 3 10 2 Remove the screw D TP head self tapping slide the tension plate 2 and remove the belt 3 from the pulley Re move the screw amp M3x8 self tapping and remove the stopper amp and ground cable 9 Note The belt is fixed to the reading unit po Figure 3 209 4 Remove the cable D from the connector i Figure 3 208 Figure 3 210 Notes on assembling After assembly verify that the reading unit slides correctly by moving the belt by hand 3 12 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION EN CHAPTER 3 DISASSEMBLY amp REASSEMBLY S 5 Main 4 Remove 5 screws D M3x8 self tapping 1 Remove the reading unit and remove 2 grounding wire terminals 2 Page 3 12 Then
47. mputer 3 Scanning does not 4 Slow scanning X speed Motor does not work X D iwa 7 Jam double feed Table 5 201 5 4 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION CHAPTER 5 TROUBLESHOOTING ES 2 Images Errors Note Major causes of each error are marked X System Hard Connec Software ware tion Completely black X completely white Too dark too light X Black borders around image 4 Image skews skews WE BEI Moire on image on image Spots and streaks on image Outer areas of im age disappear Table 5 202 X x COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 5 5 BEE CHAPTER 5 TROUBLESHOOTING EN OPERATION TROUBLESHOOTING 1 No Power The power indicator and display do not light The fluorescent lamp of the reading unit does not light Cause Fault location eae of power the power cord and the Connect properly eae a adapter connected AC power supply Is the specified voltage Explain user that the voltage supplied to the power out trouble is not with this let machine AC adapter replacing the power cord and the AC adapter Operation PCB 4 ls the problem solved by replacing the operation PCB Main PCB 5 ls the problem solved by YES replacing the main PCB Table 5 301 Power cord Is the problem solved by 5 6 COPYRIGHT CANON
48. played for 2 seconds The plug and play function recognizes the scanner and the device driver is automatically installed Power indicator Power button Installing device driver software Click here for status 10 56 AM PC Power Link Function gt The scanner s power can be linked to the computer allowing it to be turned ON OFF in accordance with the computer CANON DR 2510C USB AV Device driver software installed successfully Under default settings this function is disabled To enable this function display the scanner s properties from Scanners and Cameras in the Control Panel V UP c 01712090 PM For details refer to the User Manual Figure 4 108 4 4 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION CHAPTER 4 INSTALLATION amp MAINTENANCE I PARTS REPLACEMENT 1 Periodically Replaced Parts This machine does not have any peri odically replaced parts 2 Consumable Parts The consumable parts are as listed be low All of them are to be replaced by the user They are assigned as sales products and service parts Note This machine has no feed counter Product Holler unit 4048B001 50 000 sheets To be replaced when cleaning does not clear Separation pad 4048B002 50 000 sheets feed failures Table 4 201 Reference Differences between periodically replaced parts and consumable parts The periodically replaced parts are those that must
49. r reading unit goes back to the home lower reading unit reads the shading sheet position and reconfirms the home position Then it moves to the front side reading position and reads the image there On the top surface of the lower reading unit a white long sheet and black long sheet are attached The white one is used for the shading and the black one is used for the background for the upper reading unit Therefore the upper reading unit can read the shading sheet at the same time as the lower reading unit reads the shading sheet And the upper reading unit can read the back side of document at the same time as the lower reading unit read the front side of document 2 8 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION CHAPTER 2 FUNCTION amp OPERATION EM II FEED SYSTEM 1 Outline The figure below shows a sectional view of the feed system Roller unit Separation roller Documents Middle roller N Pickup roller ea Figure 2 301 The feed system consists of a document setting section a feed section and an eject section After fed by the pickup roller the documents are separated one sheet by another by the separation roller and the separation pad The unit consisting of these rollers is called the roller unit The feed roller feeds the document to the image reading position and lastly the eject roller ejects the document These rollers are driven by the feed motor and the ge
50. s lower reading unit EIN Reading type elements CCD ROS Reduction Optical System 22 Lightsource X CCFL Cold Cathode Fluorescent Lamp Background color Black 20 21 22 24 Image data memory size 64 MB 25 26 2 Grayscale 8 bit 3 Color 24 bit Output mode 1 Binary Black and White Error diffusion ATE ATE II at CapturePerfect3 0 ATE Advanced Text Enhancement Output resolution 100 x 100 dpi 150 x 150 dpi 200 x 200 dpi 240 x 240 dpi at CapturePerfect3 0 300 x 300 dpi 400 x 400 dpi 600 x 600 dpi ose Pes at A4 size and ion Spem 200 dpi 20 The numbers above may differ depending on the computer the function settings and other conditions Others 28 Operation panel 1 POWER button 2 START button STOP button 3 Job buttons COPY FILE E MAIL 4 User Job buttons A B C D E 5 Job scroll keys Up Down 6 Display panel LCD Table 1 101b COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 1 3 CHAPTER 1 GENERAL DESCRIPTION Dimensions unit mm 400 50 440 60 415 180 Figure 1 101 1 4 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION NA CHAPTER 1 GENERAL DESCRIPTION 3 Precautions This section describes items that require particular care for example regarding human safety These precautions must be observed The user shou
51. sh The roller and or the separa separation pad STOP button tion pad are dirty The scanner feeder cover User operation mistake The Close it and scan again or upper unit is open feeder scanning is executed Close it and push STOP while the feed cover or ADF button unit is opened A double paper feed has The double feed has oc Clean the roller and the occurred Please check curred And need to check separation pad the document and the which document has scanned image on the scanned correctly display and scan the document again Release the lock switch User operation mistake Release it and scan After releasing the lock Scanning or power on is again switch press the STOP executed while the lock button switch is locked Lamp Error The lamp is not lit Light in Reset the power Restart tensity is abnormal the computer Feeder is not connected The ADF cable is discon Power Off and connect nected the ADF cable then Communications with the power on feeder impossible Table 5 102 5 2 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 5 TROUBLESHOOTING 2 Computer The display connected to the computer shows error messages Their contents differ depending on the software being used Most errors are associated with users such as user operation mistakes and document jams The user must take appro priate actions according to error m
52. t erly set Auto Feeder Document sensor Does the document sensor Check the move of the lever normally function lever and replace the Step Check item Result Action feed amp reading unit if necessary Is the document sensor NO Properly connect properly connected Table 5 307 7 Document is Not Properly Fed Jam Double Feed Skew Document is wrinkled or folded Double feed or skew occurs Document feed stops Cause Fault y Check item location Document Does the document meet Ask user to use docu the specifications ments that meet the Size thickness quality specifications Ask fold etc user to use the flatbed Document setting Is the document properly Properly set document set Curled stuck slant docu ments misuse of document guide etc Roller unit Are they properly mounted 4 separation pad Are the surfaces clean Clean or replace the roller unit and or the separation pad the documents smooth Dirt damages burrs etc Feed path Are the surfaces contacting Feed amp reading unit 7 15 problem solved by replacing the feed amp reading Table 5 308 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 5 11 BEE CHAPTER 5 TROUBLESHOOTING NN IV IMAGE TROUBLESHOOTING Image Samples Original Normal FB Normal ADF Completely black Completely white Too dark Figure 5 401 5 12 COPYRIGHT CANON ELECTRONICS INC 200
53. treaks on Image 5 16 7 Outer Areas of Image Disappear 5 16 APPENDIX ELECTRICAL BLOCK DIAGRAM A 1 PARTS CATALOG nes A 2 ADE UNIT u ee A 2 2 Flaibed Unit ve A 4 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION CHAPTER 1 GENERAL DESCRIPTION Ll OUTLINE u u uu re eres I NAME OF PARTS COPYRIGHT CANON ELECTRONICS INC 2009 Bons M 1 1 Il USER OPERATION CANON DR 2020U FIRST EDITION NA CHAPTER 1 GENERAL DESCRIPTION m OUTLINE 1 Features 1 Upper model for DR 1210C 1 path duplex scanning is available 2 Three way scanning Feeder 1 path duplex scanning Flatbed Business card 3 Reading speed feeder A4 Black and White Grayscale 200 300 dpi Simplex 20 ppm Duplex 40 ipm Color 200 dpi 20 ppm 20 ipm 300 dpi 13 ppm 12 ipm 4 Easy scan Improved Job function 5 Service ability is improved Service parts are increased adding the main PCB ADF unit flatbed unit etc Windows is a trademark of Microsoft Corporation in the U S and other countries Other company names and product names mentioned in this document are registered trademarks or trademarks of the respective companies COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 1 1 BEE CHAPTER 1 GENERAL DESCRIPTION ES 2 Specifications No Item Specifications Appearance Installation Type Desktop type A4 flatbe
54. uality Assurance Center Canon Electronics Inc COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION COPYRIGHT CANON ELECTRONICS INC 2009 CONTENTS CHAPTER 1 GENERAL DESCRIPTION OUTEINE SAS ne a 1 1 A 1 1 2 1 2 3 PIOGCQUIOIIS Sursee 1 5 IL NAME OP PARTS 1 6 1 Front Side seen 1 6 2 Operation Panel 1 7 Rear Side T 1 7 Il USER 1 8 1 Document Setting 1 8 2 CaptureOnrTouch 1 9 Paper Jam Handling 1 11 CHAPTER 2 FUNCTIONS amp OPERATION CUTLINE uuu uy uns uuu usa 2 1 1 System Configuration 2 1 2 Machine Configuration 2 2 3 Outline of Electric Circuit 2 3 ll READING SYSTENI u tn tios 2 4 Le CUINA 2 4 o ee 2 5 A E M 2 8 REEDSYSTENL 20 ds 2 9 1s OUTING m 2 9 2 Pickup Operation 2 10 Feed Operation 2 11 4 Sequence of Operation 2 12 5 Business Card Feeding 2 13 IV CONTROL SYSTEM 2 14 1 Control Block Diagram 2 14 2 Image Processing 2 15 V
55. unit The feed amp reading unit for upper reading unit Is the problem solved by YES replacing the main Note Self diagnosis is executed prior to commencement of first scanning after the machine power is turned on Should an error be found at this time the machine gives an error message Thereafter however the error message may not be shown and the scanner may only make an output of completely black or completely white image Main PCB Table 5 401 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION 5 13 CHAPTER 5 TROUBLESHOOTING 2 Too Dark Too Light Image does not look appropriate due to improper brightness Cause Fault y Check item location Brightness setting Is the Brightness properly NO Change the setting set Adjust the Contrast in The brightness should be addition if necessary set to Auto in ordinary case but may be required to change according to the type of document Dark background Is the Advanced Text En Select document hancement selected Dark background is eliminated and the scanned image looks better Table 5 402 3 Black Borders Around Image Black borders appear around the images However that borders having a thickness of about 1 mm are within the specifications so they are not a failure Cause Fault d Check item location Page Size setting Is the Page Size properly Change the setting set Document s
56. unit The reading unit has a sensor to detect the home position After such events as the machine power is turned on the driver setting is changed and an error occurs the machine reads the shading sheet data and calculates the cor rected values prior to scanning In addition the machine reads the shading sheet data prior to each scanning operation to ensure the light intensity from the fluorescent lamp In case of low or un stable light intensity from the fluorescent lamp which may be encountered after the machine power is turned on and the ma chine is resumed from the sleep mode the machine goes into the warming up state showing Warming up on the display and does not carry out scanning before resuming the normal condition 2 5 EN CHAPTER 2 FUNCTION 8 OPERATION The figure below shows the driving sys tem for the lower reading unit Lower reading unit Guide shaft Timing belt for reading unit Flatbed motor unit Figure 2 203 To move the lower reading unit the machine has a flatbed motor unit a timing belt and a pair of guide shafts For the flatbed scanning the document does not move and the lower reading unit moves For the feeder scanning on the other hand the lower reading unit is placed at a specific position and the document moves 2 6 COPYRIGHT CANON ELECTRONICS INC 2009 CANON DR 2020U FIRST EDITION m CHAPTER 2 FUNCTION 8 OPERATION The figure below shows the
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