Service Manual
Contents
1. Grease application At carriage unit or carriage To maintain sliding properties of FLOIL KG 107A l min rail replacement the following items IF 20 At LF earth spring or paper Carriage rail MOLYKOTE PG641 feed roller replacement At PG AP arm lever replacement LF earth spring Eject roller PG AP arm lever None 1 min Perform in the service mode To maintain detection functionality for presence of the ink tanks and each ink tank position Ink system function At logic board replacement At spur base replacement At carriage unit replacement At logic board replacement To set the language to be None l min displayed on the LCD Perform in the user mode Hold the sheet with the long side None l min down then position its upper left corner approx mm in from the platen glass reference edges back left The screws securing the paper feed motor may be loosened only at replacement of the paper feed motor unit Document pressure At document pressure sheet sheet position replacement adjustment At document pressure plate ass y replacement oe l CAUTION 1 33 2 Periodic maintenance No periodic maintenance is necessary 3 Periodic replacement parts There are no parts in this machine that require periodic replacement by a service engineer 4 Replacement consumables There are no consumables that require replaceme2. card is currently write enabled an the memory card set to the Read write A temporary error Remove the memory 7133 Set to read only mode before performing operation The paper size is not correct Check the page size you have set selected Failed to scan Photo Index Sheet Check the orientation position and marking lt See manual gt Index Sheet 2 4 Warnings Warning wee the Status Monitor Print head temperature rise print head error will occur Protection of excess rise of the print head temperature print head error will occur Restrictions on paper and type USB cable not Set the PC to start scan connected Cancellation of image select information Yes No Do you want to clear the image scanned from the photo Yes No Do you want to clear the scanned image and rescan Yes No 2 5 Troubleshooting by Symptom mode Card Direct printing operation was attempted from the menu Non supported size of paper for Camera Direct printing via PictBridge connection is The machine failed in scanning the Photo Message on the LCD is indicated for an applicable ink tank icon in If the print head temperature does not fall the If the print head temperature does not fall the The current paper cannot be set Change the size Reset the selected photo information card change the memory card setting to Read only then perform Card Direct printing Cancel printing on the digi
3. 5 Release the 6 claws and remove the side cover unit L 3 Scanner flexible cable attachment 1 Attach the scanner flexible cable indicated by the red line in the photo so that it passes under the scanner flexible sheet indicated by the blue line in the photo 15 33 lt Scanner flexible cable layout seen with the scanner flexible sheet removed gt 4 Cable wiring and connection 1 Scanner relay cable and paper feed motor cable 2 DC flexible cable 3 FCC guide ASF sensor cable timing sensor cable and carriage flexible cables 16 33 5 Ink tube installation lt About Circle 1 in the photo gt Fit the tube between the ribs lt About Circle 2 in the photo gt Fit the tube between the ribs and adjust the tube so that the tube end indicated by the blue circle in the photo is between the edges of the right and left ribs between the red lines in the photo a lt 3 2 Special Notes on Repair Servicing gt amp 17 33 MP820 3 REPAIR TABLE OF CONTENTS 4 gt 3 3 Adjustment Settings 1 Paper feed motor adjustment 1 When attaching the motor fasten the screws so that the belt is properly stretched in the direction indicated by the blue arrow in the photo below 2 After replacement be sure to perform the service test print and confirm that no strange noise or faulty print operation due to dislocation of the belt or gear or out of phase motor etc occurs
4. The screws securing the paper feed motor may be loosened only at replacement of the paper feed motor unit DO NOT loosen them in other cases CAUTION 2 Carriage rail adjustment Perform the following adjustments when attaching the carriage rail 1 Before loosening the screws mark the following positions on the rail Left side Mark the boss position Right side Mark the hole position ee 2 2 In attaching the carriage rail make sure that the left boss and right hole fit to the marks made in step 1 respectively then fasten the screws 3 Be sure to perform the confirmation test detailed below confirm that the print quality is proper and the print head is not contacting the paper 18 33 lt Confirmation test gt Using Photo Paper Pro and with the paper thickness lever set to the left position normal position print an image and confirm that the print quality is proper and the print head 1s free from contacting the paper If the print quality 1s not proper or the print head contacts the paper adjust the head to paper distance 1n the following procedures lt How to adjust the head to paper distance gt i Mark the current position of the left boss and the right hole See the step 1 of the carriage rail adjustment above II Loosen the hexagon head screws and adjust the head to paper distance To prevent the print head from contacting the paper Raise the carriage rail from the current position T
5. ROM version Ink absorber counter value ink amount in the ink absorber Print information Error information etc 3 times Orange Alarm EEPROM initialization The following items are NOT initialized and the shipment arrival flag is not on USB serial number Destination settings Ink absorber counter value Record of disabling the function to detect the remaining ink amount Record of ink absorber counter resetting Ink absorber counter value ink amount in the ink See Ink absorber counter resetting below and the print sample in 3 4 Verification Items 2 Ink absorber counter value print 4 times Green Power Ink absorber counter resetting Press the Stop Reset button the specified number of time s according to the destination See Destination settings below 6 times Green Power Print head deep cleaning Cleaning of both Black and Color 7 to 9 times Orange Alarm at Return to the menu selection odd numbers Green Power at even numbers 10 times Green Power Return to the menu selection Not used in servicing 11 times Orange Alarm Return to the menu selection 12 times Green Power Button and LCD test See Button and LCD test below 13 times Orange Alarm Ink absorber counter setting See Ink absorber counter setting below 14 times or Green Power Return to the menu selection more Note If the Stop Reset button is pressed 14 or more
6. Blue Black 3 5 Press the ON OFF button to exit the button and LCD test and return to the service mode menu selection 4 Check the transparent pattern as follows 4 1 Press the OK button OK1 in white is displayed on the black background If the result is not good NGI in black is displayed on the white background transparent color immediately after OK1 4 2 Press the OK button OK2 in black is displayed on the white background If the result is not good NG2 in white is displayed on the black background transparent color immediately after OK2 5 Press the ON OFF button to return to the service mode menu selection O F 4 lt 3 3 Adjustment Settings 7 and 10 gt gt amp 30 33 MP520 3 REPAIR TABLE OF CONTENTS 4 gt 3 4 Verification Items 1 Service test print lt Service test print sample gt O AB C OK IE 3A6 M one M OK C 015 M 3A1 Y OK a 06 o6 PIGBK OK 3A6 TIME 6 000 0600 0000 SELF H 000 000 000 L 000 000 000 enc ene 31 33 2 Ink absorber counter value print lt Print sample gt D 001 4 FPs 000 0 4 lt 3 4 Verification Items gt gt 32 33 MP520 TABLE OF CONTENTS s4 4 MACHINE TRANSPORTATION This section describes the procedures for transporting the machine for returning after repair etc 1 In the service mode press the ON OFF button to finish the mode and confirm that the
7. if any Nothing is displayed on the LCD Confirm the connection between the operation panel the LCD unit and the logic board Replace the LCD unit or logic board Perform the button and LCD test in the service mode and confirm that the LCD is displayed without any segments missing or flickering Confirm the connection between the operation panel the LCD unit and the logic board Replace the LCD unit or logic board A portion of the LCD is not displayed Paper feed problems multi feeding skewed feeding no feeding Examine the inside to confirm that no parts are damaged and the rollers are clean Remove foreign material Adjust the paper guide properly Set the paper properly Confirm the following selected paper source attachment of the rear cover for feeding from the front tray connection of each harness and the logic board Replace the sheet feeder unit ASF cover unit bottom case unit for paper feeding from the front tray or logic board Carriage movement problems contact to other parts strange noise Confirm that the carriage timing slit strip film is free from damage or grease Clean the carriage timing slit strip film with ethanol and lint free paper Remove foreign material Replace the carriage timing slit strip film or carriage unit Faulty scanning no
8. OF CONTENTS gt gt MP520 TABLE OF CONTENTS gt 1 MAINTENANCE 1 1 Adjustment Periodic Maintenance Periodic Replacement Parts and Replacement Consumables by Service Engineer 1 Adjustment Adjustment Timing Purpose ro pie EEPROM At logic board replacement To initialize settings None min initialization Perform in the service Destination settings At logic board replacement To set destination l min EEPROM settings To reset the ink absorber 1 min counter Ink absorber counter resetting EEPROM settings Ink absorber counter value setting EEPROM settings Paper feed motor position adjustment At logic board replacement At ink absorber replacement To set the ink amount data in the 1 min ink absorber to the ink absorber counter To adjust the belt tension None Position the paper feed motor so that the belt is stretched tight To adjust the distance between None the print head and paper between the carriage and the platen To secure the dot placement None accuracy Manual At logic board replacement At paper feed motor replacement Carriage rail position adjustment At carriage unit replacement After carriage rail removal and re assembly At print head replacement At logic board replacement When print quality is not satisfying
9. at carriage replacement Before removing the screws mark the positions of the screws on the carriage rail so that they will be returned to their original positions after the carriage 1s replaced At replacement 1 Apply grease to the sliding portions See 3 3 Adjustment Settings 6 Grease application for details After replacement 2 Adjust the distance between the print head and the paper between the carriage rail and the platen See 3 3 Adjustment Settings 2 Carriage rail adjustment for details 3 Check the ink system function See 3 3 Adjustment Settings 10 Service mode for details 4 Perform print head alignment in the user mode Paper feed motor QK1 3849 The red screws securing the paper feed motor are allowed to be loosened only for paper feed motor replacement DO NOT loosen them in any other cases At replacement 1 Adjust the paper feed motor See 3 3 Adjustment Settings 1 Paper feed motor adjustment for details Spur base unit QM3 2653 Service test print After replacement 1 Check the ink system function See 3 3 Adjustment Settings 10 Service mode for details 11 33 Document pressure plate At replacement ass y QM3 2642 1 Adjust the document pressure Document pressure sheet ne Sen QC2 5194 See 3 3 Adjustment Settings 2 Carriage rail Scanner unit QM3 2643 adjustment f
10. dirty Scanning area cleaning Soft dry and clean lint 1 min free cloth cloth for cleaning glasses etc To clean the machine exterior 1 3 Special Tools Name Tool No Application Remarks FLOIL KG 107A OY9 0057 000 on portions of the carriage rail and main e _ ee common with the ELECTRICITY GREASE IF 20 ELECTRICITY GREASE IF 20 CK 8006 000 To the LF earth spring To the LF earth spring sliding portions portions MOLYKOTE PG641 cX 0562 To the PG AP arm lever sliding portions ng with he 2 33 1 4 Serial Number Location On the spur base unit visible at the front right when the scanning unit is opened al lt 1 MAINTENANCE gt gt A 3 33 MP520 TABLE OF CONTENTS 4 gt 2 LIST OF ERROR DISPLAY INDICATION TROUBLESHOOTING Errors and warnings are displayed by the following ways 1 Operator call errors are indicated by the Alarm LED lit in orange and the error and its solution are displayed on the LCD in text and by icon Messages during printing from a computer are displayed on the MP driver Status Monitor 3 Error codes are printed in the operator call service call error record area in EEPROM information print Buttons valid when an operator call error occurs 1 ON OFF button To turn the machine off and on again 2 OK button To clear and recover from an error In some operator call errors the error will automatically be cleared when th
11. partial replacement Time s Replaced ink absorber an 0 times Main ink absorber Reset to 0 l time Borderless print ink absorber Reset to 0 2 times Both the main and borderless print ink absorbers Reset to 0 3 times A portion of the main ink absorber partial replacement Reset to 60 ul 27 33 lt Ink absorber counter setting gt Set the ink absorber counter value to a new EEPROM after the logic board is replaced in servicing 1 Before replacement of the logic board check the ink absorber counter value in EEPROM information print 2 In the ink absorber counter setting mode press the Stop Reset button the specified number of time s according to the ink absorber whose counter value should be transferred to the replaced new EEPROM Time s Ink absorber Remarks 0 times Main ink absorber Reset to 0 1 time Borderless print ink absorber Reset to 0 2 times Both the main and borderless print ink absorbers Reset to 0 3 times or Press the ON OFF button to return to the ink Not valid more absorber counter setting mode 3 Press the ON OFF button to proceed to the next step 4 The ink absorber counter value can be set in 10 increments by pressing the Stop Reset button Press the Stop Reset button the appropriate number of time s to select the value which is closest to the actual ink absorber counter value Time s Ink absorber counter value to be set 0 times 0 1 time
12. remaining ink 1683 Applicable ink tank icon amount unknown ink cannot be correctly detected Replace the ink tank U130 Ink tank not recognized 1684 The following ink tank cannot be recognized U140 Applicable ink tank icon Ink tank not recognized 1410 The following ink tank cannot be to recognized U150 1419 Applicable ink tank icon Remove the cable between the camera and the machine An ink tank which has once been empty is installed The remaining level of the following Replace the applicable ink tank with a new one Printing with a once empty ink tank can damage the machine To continue printing without replacing the ink tank s press the Stop Reset button for 5 sec or longer to disable the function to detect the remaining ink amount After the operation it is recorded in the machine EEPROM that the function to detect the remaining ink amount was disabled A non supported ink tank is installed the ink tank LED is turned off Install the supported ink tanks A hardware error occurred in an ink tank the ink tank LED is turned off Replace the ink tank s Scanning unit printer 1200 Cover is open Close cover Close the scanning unit printer cover cover open Non supported hub 2002 An unsupported USB hub is Remove the applicable USB hub from the PictBridge connected Remove the hub USB connector No ink no raw ink 1688 The following ink has run
13. 10 2 times 20 3 times 30 4 times 40 5 times 50 6 times 60 7 times 70 8 times 80 9 times 90 Not valid 10 times or more Press the ON OFF button to return to the ink absorber counter setting mode 5 Press the ON OFF button to set the selected value to the EEPROM Print EEPROM information to confirm that the value is properly set to the EEPROM 28 33 lt Button and LCD test gt Confirm the operation after replacement of the operation panel unit board or LCD unit 1 In the button and LCD test mode press the Stop Reset button The LCD turns blue waiting for a button to be pressed 2 Press each button of the operation panel The LCD 1s divided into 25 segments representing each button The color of a segment corresponding to the pressed button changes to red After all the 15 buttons are pressed the remaining segments from 16 to 25 turn red at the same time 1 ON OFF button 9 OK button 2 NAVI button 10 Back button 3 HOME button 11 button 4 Paper Feed Switch button 12 button 5 Up cursor button 13 Black button 6 Right cursor button 14 Color button 7 Down cursor button 15 Stop Reset button 8 Left cursor button 3 Rotate the Easy Scroll Wheel clockwise and counterclockwise 1 round 24 steps each as follows 3 1 Rotate the Easy Scroll Wheel clockwise step by step The LCD is divided into 24 segments representing each step The color of a segment corr
14. B m a aati Aaphy grease 5 Min wade eens can be wider 21 33 2 Platen Drawing Grease Number of Part name No Where to apply grease oil Grease oil oil amount drops x mg locations Eject roller sliding portion 1 2x3 1 drop 9 to 18 mg 3 LF roller Drawin Grease Number of Part name No 9 Where to apply grease oil Grease oil oil amount drops x mg locations LF roller LF earth spring sliding portion 1 2x1 1 drop 9 to 18 mg 44 lt 3 3 Adjustment Settings 1 to 6 gt gt amp 22 33 MPS20 3 REPAIR TABLE OF CONTENTS gt 7 Ink absorber replacement 1 At the time of an error indicating that the ink absorber is full replace either the main or the borderless print ink absorber according to the error message When the main ink absorber is full Replace the absorber indicated by the blue frame in the photo below component of QY5 0192 When the borderless print ink absorber is full Replace 2 absorbers in the red circle in the photo below and the platen ink absorber components of QY5 0192 The main ink absorber and the borderless print ink absorber have separate counters respectively After ink absorber replacement reset the applicable ink absorber counter according to the replaced ink absorber For details see 8 Ink absorber counter setting 2 Partial replacement of the main ink absorber For the main ink absorber the following replacement
15. MP520 Service Manual Revision 0 OY8 13BN 000 COPYHIGHT 2007 CANON INC CANON MP520 072007 XX 0 00 0 Scope This manual has been issued by Canon Inc to provide the service technicians of this product with the information necessary for qualified persons to learn technical theory installation maintenance and repair of products The manual covers information applicable in all regions where the product is sold For this reason it may contain information that is not applicable to your region This manual does not provide sufficient information for disassembly and reassembly procedures Refer to the graphics in the separate Parts Catalog Revision This manual could include technical inaccuracies or typographical errors due to improvements or changes made to the product When changes are made to the contents of the manual Canon will release technical information when necessary When substantial changes are made to the contents of the manual Canon will issue a revised edition The following do not apply if they do not conform to the laws and regulations of the region where the manual or product is used Trademarks Product and brand names appearing in this manual are registered trademarks or trademarks of the respective holders Copyright All rights reserved No parts of this manual may be reproduced in any form or by any means or translated into another language without the written permission of Canon Inc except in the case of i
16. T release the buttons The Power LED lights in green to indicate that a function is selectable 2 While holding the ON OFF button release the Stop Reset button DO NOT release the ON OFF button 3 While holding the ON OFF button press the Stop Reset button 2 times and then release both the ON OFF and Stop Reset buttons Each time the Stop Reset button is pressed the Alarm and Power LEDs light alternately Alarm in orange and Power in green starting with Alarm LED 4 When the Power LED lights in green and Service Mode CANON Idle is displayed on the LCD press the Stop Reset button the specified number of time s according to the function listed in the table below then press the ON OFF button Each time the Stop Reset button is pressed the Alarm and Power LEDs light alternately Alarm in orange and Power in green starting with Alarm LED Time s LED indication Function Remarks 0 times Green Power Power off Even when the print head 1s not installed the carriage returns and locks in the home position capped time Orange Alarm Service test print Service test print Model name Destination ROM version USB serial number 25 33 absorber Ink system function check result Barcode model name destination See 3 4 Verification Items 1 Service test print Service test print sample 2 times Green Power EEPROM information print EEPROM information print Model name Destination
17. alled Install the Install the print head properly or not properly installed print head U051 Print head temperature i 1403 The type of print head is incorrect Re set the print head If the error is not cleared the sensor error Install the correct print head U052 print head may be defective Replace the print head Faulty EEPROM data of 1405 the print head 1682 Multiple ink tanks of the 1681 More than one ink tank of the Replace the wrong ink tank s with the correct one s same color installed following color is installed U071 Ink tank in a wrong 1680 Some ink tanks are not installed in Install the ink tank s In the correct position position place U072 Warning The ink 1700 Contact the support center or service Replace the ink absorber and reset its counter See 3 absorber becomes almost 1701 center for ink absorber replacement 3 Adjustment Settings 10 Service mode full 1710 Press OK to continue printing Pressing the OK button will exit the error and enable 1711 printing without replacing the ink absorber However when the ink absorber becomes full no further printing can be performed unless the applicable ink absorber is replaced 4 33 The connected digital camera or digital video camera does not support Camera Direct Printing 2001 The device may be incompatible Remove the device and check the manual supplied with the connected device The
18. e cause of the error is eliminated and pressing the OK button may not be necessary 3 Stop Reset button To cancel the job at error occurrence and to clear the error 2 1 Operator Call Errors by Alarm LED Lit in Orange Error Error enue Message on the LCD Solution No paper in the rear tray 1000 Rear tray Confirm that the rear tray is selected as the paper There is no paper Load paper and source Set the paper in the rear tray and press the press OK OK button No paper in the front 1003 Front tray Confirm that the front tray is selected as the paper tray There is no paper Load paper and source Set the paper in the front tray and press the press OK OK button Paper jam 1300 The paper is jammed Clear the paper Remove the jammed paper and press the OK button Paper jam in the rear 1303 374 Press OK guide Ink may have run out 1600 The following ink may have run out Replace the applicable ink tank or press the OK Replacing the ink tank is button to clear the error without ink tank replacement recommended U041 When the error is cleared by pressing the OK button ink may run out during printing Ink tank not installed 1660 The following ink tank cannot be Install the applicable ink tank s properly and recognized U043 confirm that the LED s of all the ink tanks light red Applicable ink tank icon Print head not installed 1401 Print head is not inst
19. e the tray is selected as the paper source paper source and press OK Change the setting s Settings made conflict each other e g Change the settings so that they will not Selecting borderless printing on plain paper conflict each other Device memory is full Reduce the The memory is not sufficient to do the print Reduce the amount of data to be printed or number of documents photos etc job in copying print from a computer to scan or copy Failed to scan Either document The machine failed in scanning the Press the OK button to clear the error cannot be scanned or is not placed on document for Fit to page copy or photos or the platen glass films were not recognized in pre scanning Press lt gt The Black button was pressed but it is A temporary error Press the Color button to invalid continue the operation lt gt Color button icon Press lt gt The Color button was pressed but it is A temporary error Press the Black button to invalid continue the operation lt gt Black button icon There are no photos in memory card Supported image files are not in the A temporary error memory card Confirm that supported image files are in the memory card Images with double byte characters used in the file name or folder name may not be recognized Change the file or folder name so that it contains only single byte alphanumeric characters If images are edited on the computer print th
20. em from the computer The value exceeds the number of During selecting images or specifying the A temporary error The last operation before copies you can print number of copies the total print quantity the error is cancelled and the total print exceeds the prescribed value of 999 quantity returns to the value before the error Memory card is not set Insert the The memory card is not inserted in the slot Set a memory card card after checking the direction properly DPOF information is not saved in the DPOF print was selected in the menu but A temporary error The LCD automatically memory card no DPOF files are contained in the memory returns to the display before the error card occurrence The number of copies to print is not Printing was attempted without specifying A temporary error Specify the print set Input the number of copies the print quantity with the print quantity left quantity 0 zero This layout is available only for A4 In Layout print Mixed 1 2 or 3 which is A temporary error The LCD automatically or 8 5 x11 215x279 available only with A4 or Letter size paper returns to the display before the error is selected but the paper size is not set to occurrence A4 or Letter Change the setting after removing the With a memory card inserted in the slot A temporary error Remove the memory card change of the Read Write attribute was card then change the Read Write attribute attempted
21. esponding to the step changes from red to green If the wheel is rotated counterclockwise before clockwise round completes the color of segment s corresponding to the number of steps the wheel is rotated counterclockwise returns to red If the wheel keeps rotated clockwise over round 25 steps or more the color of segment s corresponding to the extra number of steps returns to red starting with the Start segment in the figure below 3 2 When the Easy Scroll Wheel is rotated clockwise 1 round 24 steps press the OK button 3 3 Rotate the Easy Scroll Wheel counterclockwise step by step The LCD is divided into 24 segments representing each step The color of a segment corresponding to the step changes from green to blue If the wheel is rotated clockwise before counterclockwise round completes the color of segment s corresponding to the number of steps the wheel is rotated clockwise returns to green If the wheel keeps rotated counterclockwise over 1 round 25 steps or more the color of segment s corresponding to the extra number of steps returns to green starting with the Start segment in the figure below 29 33 cot 3 4 When the Easy Scroll Wheel is rotated counterclockwise 1 round 24 steps and all the segments are in blue press the OK button The color pattern is displayed on the LCD If there is any segment that is not in blue when the OK button is pressed the display remains unchanged White Black
22. est print See Service mode operation Set a sheet of A4 or letter size paper Model name procedures below For print sample see 3 4 Verification Items 1 Destination Service test print Service test print sample ROM version USB serial number Ink absorber counter value ink amount in the ink absorber Ink system function check result EEPROM information print See Service mode operation Set a sheet of A4 or letter size paper Model name procedures below Destination ROM version Ink absorber counter value ink amount in the ink absorber Print information Error information etc EEPROM initialization See Service mode operation The following items are NOT initialized and the procedures below shipment arrival flag is not on USB serial number Destination settings Ink absorber counter value ink amount in the ink absorber Ink absorber counter reset See Service mode operation Set a sheet of A4 or Letter sized plain paper After procedures below the ink absorber counter is reset the counter value is printed automatically Destination settings See Service mode operation procedures below Button and LCD test See Service mode operation procedures below Ink absorber counter setting See Service mode operation procedures below lt Service mode operation procedures gt 1 With the machine power turned off while pressing the Stop Reset button press and hold the ON OFF button DO NO
23. ings Operation check Logic board ass y QM3 2599 Before removal of the logic board ass y remove the power cord and allow for approx 1 After replacement 1 Initialize the EEPROM 2 Set the destination in the EEPROM information print Service test print Printing via USB connection minute for discharge of EEPROM Copying capacitor s accumulated 3 Set the ink absorber counter Direct printing from a digital charges to prevent damages to value camera PictBridge the logic board ass y 4 Set the language to be Before replacement check the displayed on the LCD ink absorber counter value by service test print or EEPROM Settings 10 Service mode information print for details of 1 to 4 See 3 4 Verification Items 1 5 Perform print head alignment Service test print for details in the user mode See 3 3 Adjustment Absorber kit QY5 0192 After replacement 1 Reset the ink absorber counter See 3 3 Adjustment Ink absorber counter value print Printing is performed automatically after the ink absorber counter is reset Settings 10 Service mode for details Carriage unit QM3 2650 Service test print Confirm ink system function Printing on thick paper The screws securing the carriage rail are allowed to be loosened only
24. installed properly Perform print head maintenance Replace the ink tank or No ejection of black ink print head Remove foreign material from the purge unit caps if any Replace the purge unit Graphic or text is enlarged on printouts When enlarged in the carriage movement direction Clean grease or oil off the timing slit strip film Replace the timing slit strip film carriage unit or logic board When enlarged in the paper feed direction Clean grease or oil off the timing slit disk film Replace the timing slit disk film timing sensor unit LF roller or logic board Confirm the connection between the scanning unit and the logic board Replace the scanning unit or logic board Faulty scanning No scanning Clean the platen glass Confirm the connection between the scanning unit and the logic board Replace the scanning unit logic board or document pressure sheet Streaks or smears on the scanned image 1 Replace the print head only after the print head deep cleaning is performed 2 times and when the problem persists lt j lt 2 LIST OF ERROR DISPLAY INDICATION TROUBLESHOOTING gt gt A 10 33 MP520 TABLE OF CONTENTS x4 gt 3 REPAIR 3 1 Notes on Service Part Replacement and Disassembling Reassembling Service part Notes on replacement Adjustment sett
25. ment print on thick paper to confirm that the distance between the print head and paper between the carriage rail and the platen is correct and that the print head does not contact the paper during printing If the print head contacts the paper adjust the carriage rail position while referring to 3 3 Adjustment Settings 2 Carriage rail adjustment lt 3 1 Notes on Service Part Replacement gt 12 33 MP520 3 REPAIR TABLE OF CONTENTS 4 gt 3 2 Special Notes on Repair Servicing 1 Side cover unit R removal 1 Remove the rear top cover 2 Remove the 3 screws and the rear middle frame Slightly lift the front bottom of the rear top cover and slide it 3 3 Release the 2 bosses and remove the ASF cover unit 4 Slightly lift the front center as indicated by the red arrow 1 and remove the panel top cover Then remove the light guide pointed by the red arrow 2 5 Remove 2 screws from the back of the machine 6 Open the card slot cover and remove screw 13 33 7 Release the 4 claws and remove the side cover unit R p 8 Remove the front cover R 2 Side cover unit L removal 1 Remove the front cover L 2 Remove 1 screw from the front of the machine Release the claw No 1 in the photo and slide the cover to the right No 2 in the photo 3 Remove 2 screws from the back of the machine 4 Release the 2 bosses and remove the ASF cover unit l 14 33
26. methods are available Replacement method Difficulties Ink absorber volume to be replaced Print yield after replacement Partial replacement Low Approx 40 of the entire main ink absorber Approx 8 000 pages Whole replacement High The entire main ink absorber Approx 20 000 pages After ink absorber replacement set the ink absorber counter value according to the replacement method See 8 Ink absorber counter setting for details lt How to perform the partial replacement gt Remove the rear cover No 1 in the photo and the ink absorber cover No 2 in the photo from the rear side of the machine and replace the portion of the main ink absorber approx 40 No 3 in the photo Time required Approx 4 min including the operation check after replacement 23 33 lt The portion replaced in the partial replacement gt Entire main ink absorber Indicated by the green lines The portion to be replaced in partial replacement Indicated by the blue lines 8 Ink absorber counter setting Before replacement of the logic board check the ink absorber counter value and register it to the replaced new logic board In addition according to the ink absorber counter value replace the ink absorber ink absorber kit When the ink absorber is replaced reset the applicable ink absorber counter to 0 How to check the ink absorber counter value See 3 4 Verification Items 1 Service test print How t
27. ner unit warming up is not performed properly at power on Overseas 12 times APP position error 5C10 An error occurred in the APP motor Sheet feed unit QM3 2647 5B00 Main ink absorber 5B10 Borderless print ink absorber during purging operation Purge unit QM3 2599 Logic board QM3 2651 On the LCD Scanner is not operating correctly is displayed Power and ROM RAM error The check sum value is incorrect in the Logic board QM3 2599 Alarm LEDs lit ROM check or RAM check at hard power on Before replacement of the logic board ass y check the ink absorber counter value by service test print or EEPROM information print If the counter value is 7 or more also replace the ink absorber kit QY5 0192 when replacing the logic board ass y If the counter value is less than 7 register the current ink absorber counter value to the replaced new logic board instead See 3 3 Adjustment Settings 10 Service mode for details Note 6 33 2 3 Other Error Messages Message on the LCD Cause Solution The selected paper cannot be fed The paper type being used is not supported Change the paper source to the rear tray from front tray Change the paper for paper feeding from the front tray source and press OK Borderless print is not available for Borderless print is attempted when the front Change the paper source to the rear tray paper from front tray Chang
28. nt by a service engineer 1 2 Customer Maintenance Adjustment Timing Purpose Tool one Print head At print head replacement To ensure accurate dot Machine buttons 3 min alignment placement Computer MP driver Manual m head cleaning When print quality is not satisfying To improve nozzle Machine buttons min conditions Computer MP driver Print head deep When print quality is not satisfying and not To improve nozzle Machine buttons 2 min cleaning improved by print head cleaning conditions Computer MP driver When an ink tank becomes empty No ink To replace the empty error displayed on the monitor or on the ink tank machine LCD or short flashing of an ink tank LED Rear tray paper When paper does not feed properly To clean the paper Machine buttons 2 min feed roller cleaning When the front side of the paper is smeared jfeed rollers Computer MP driver Front tray paper When paper does not feed properly To clean the paper Manually clean the roller 1 min feed roller cleaning When the front side of the paper is smeared jfeed rollers with a cotton swab Bottom plate When the back side of the paper is smeared To clean the platen Machine buttons min cleaning ribs Computer MP driver Soft dry and clean lint 1 min free cloth To clean the platen glass and document pressure sheet When the platen glass or document pressure sheet is
29. nternal business use Copyright 2007 by Canon Inc CANON INC Inkjet Device Quality Assurance Div 1 451 Tsukagoshi 3 chome Saiwai ku Kawasaki shi Kanagawa 212 8530 Japan MP520 i gt TABLE OF CONTENTS 1 MAINTENANCE 1 1 Adjustment Periodic Maintenance Periodic Replacement Parts and Replacement Consumables by Service Engineer 1 2 Customer Maintenance 1 3 Special Tools 1 4 Serial Number Location 2 LIST OF ERROR DISPLAY INDICATION TROUBLESHOOTING 2 1 Operator Call Errors 2 2 Service Call Errors 2 3 Other Error Messages 2 4 Warnings 2 5 Troubleshooting by Symptom 3 REPAIR 3 1 Notes on Service Part Replacement 3 2 Special Notes on Repair Servicing 1 Side cover unit R removal 2 Side cover unit L removal 3 Scanner flexible cable attachment 4 Cable wiring and connection 5 Ink tube installation 3 3 Adjustment Settings 1 Paper feed motor adjustment 2 Carriage rail adjustment 3 Document pressure sheet attachment 4 Sheet feeder unit adjustment 5 Front tray paper feed roller cleaning 6 Grease application 7 Ink absorber replacement 8 Ink absorber counter setting 9 User mode 10 Service mode A Service mode operation B Destination settings C Ink absorber counter resetting D Ink absorber counter setting E Button and LCD test 3 4 Verification Items 1 Service test print 2 Ink absorber counter value print 4 MACHINE TRANSPORTATION 4 lt TABLE
30. o improve the print quality Lower the carriage rail from the current position 3 Document pressure sheet attachment lt How to attach the sheet gt 1 Peel off the cover sheet from the double sided adhesive tape on the back of the document pressure sheet With the long side down position the upper left corner of the document pressure sheet approx 1 mm off the scanning reference edges back left on the platen glass 2 Slowly close the document pressure plate ass y The document pressure sheet will attach to the plate lt Confirmation after attachment gt 1 Open the plate to confirm the following No extension of the sponge edges over the mold part of the upper scanner cover No gap between the platen glass reference edges and the corresponding sponge edges 2 Open and close the plate to confirm the following The sponge must not be caught by the mold part of the upper scanner cover 4 Sheet feeder unit adjustment Assemble the sheet feeder unit with the swing arm pointed by the red arrow in the photo in the raised position 19 33 5 Front tray paper feed roller cleaning 1 Press the ON OFF button to turn off the machine 2 Set 5 sheets or more of A4 or letter size plain paper in the front tray 3 Push the rear cover tab to the right and pull out the rear cover 4 While rotating the paper feed roller toward you using your finger wipe off smears with a cotton swab If a smear or stain is not rem
31. o set the ink absorber counter See Ink absorber counter setting below 9 User mode Function Procedures Remarks Print head manual cleaning Cleaning both Black and Color Perform via the machine operation panel Cleaning Black or Color separately or both Black and Color Perform from the MP driver Maintenance tab Print head deep cleaning Perform via the machine operation panel or from the MP driver Maintenance tab Rear tray paper feed roller Perform via the machine operation panel cleaning Front tray paper feed roller Clean the rollers manually cleaning Nozzle check pattern printing Perform via the machine operation panel or from the Set a sheet of plain paper A4 or Letter MP driver Maintenance tab in the rear tray or the front tray which is selected on the Paper Feed Switch button Manual print head alignment Perform via the machine operation panel or from the Set 2 sheets of plain paper A4 or Letter MP driver Maintenance tab in the rear tray or the front tray which is selected on the Paper Feed Switch button Bottom plate cleaning Perform via the machine operation panel or from the Cleaning of the platen ribs when the back MP driver Maintenance tab side of paper gets smeared Fold a sheet of plain paper A4 or Letter in half crosswise then unfold and set it in the rear tray with the folded ridge facing down 24 33 10 Service mode Function Procedures Remarks Service t
32. or 5700 An error occurred in the ASF cam Sheet feed unit QM3 2647 sensor PE sensor board QM3 2571 Logic board QM3 2599 6 times Internal temperature 5400 The internal temperature is not normal Logic board QM3 2599 error Carriage unit QM3 2650 7 times Ink absorber full SBOO The ink absorber is supposed to be full Ink absorber kit QY5 0192 5B10 Message on the LCD 5B0I Ink absorber full Service required 5B11 Error codes Japan 5B01 Main ink absorber 5B11 Borderless print ink absorber 8 times Print head temperature 5200 The print head temperature exceeded the Print head QY6 0070 rise error specified value Logic board QM3 2599 9 times EEPROM error 6800 A problem occurred in writing to the Logic board QM3 2599 EEPROM 10 times VH monitor error B200 The internal temperature exceeded the Print head QY6 0070 specified value Carriage unit QM3 2650 Logic board QM3 2599 14 times APP sensor error 6A90 An error occurred in the APP cam Sheet feed unit QM3 2647 sensor Logic board QM3 2599 15 times USB Host VBUS 9000 The USB Host VBUS is overloaded Logic board QM3 2599 overcurrent 19 times Ink tank position sensor 6502 None of the ink tank position is detected Spur base unit QM3 2653 error Logic board QM3 2599 22 times Scanner home position 5010 The scanner unit cannot detect the home Scanner unit QM3 2643 error position or the scan
33. or details Timing slit strip film Upon contact with the film After replacement Service test print QC2 5687 wipe the film with ethanol 1 Perform print head alignment Confirm no grease is on the in the user mode Timing slit disk film film Wipe off any grease QC1 9597 thoroughly with ethanol Do not bend the film Print head QY6 0070 After replacement Service test print 1 Perform print head alignment in the user mode 1 General notes Make sure that the flexible cables and wires in the harness are in the proper position and connected correctly See 3 2 Special Notes on Repair Servicing or the Parts Catalog for details Do not drop the ferrite core which may cause damage Protect electrical parts from damage due to static electricity Before removing a unit after removing the power cord allow the machine to sit for approx 1 minute for capacitor discharging to protect the logic board ass y from damages Do not touch the timing slit strip film and timing slit disk film No grease or abrasion 1s allowed Protect the units from soiled with ink Protect the housing from scratches Exercise caution with the screws as follows i The screws of the paper feed motor may be loosened only at replacement of the paper feed motor unit DO NOT loosen them in other cases il The screws securing the carriage rail may be loosened only at replacement of the carriage unit After carriage unit replace
34. out Replace the ink tank U163 Applicable ink tank icon Replace the empty ink tank s and close the scanning unit printer cover Printing with an empty ink tank can damage the machine To continue printing without replacing the ink tank s press the Stop Reset button for 5 sec or longer to disable the function to detect the remaining ink amount After the operation it 1s recorded in the machine EEPROM that the function to detect the remaining ink amount was disabled 2 2 Service Call Errors by Cyclic Blinking of Alarm and Power LEDs Service call errors are indicated by the number of cycles the Alarm and Power LEDs blink and the corresponding error code 1s displayed on the LCD Cycles of blinking of Error Alarm and Zul code Power LEDs 2 times Carriage error 5100 An error occurred in the carriage encoder signal Conditions Solution Replacement of listed parts which are likely to be faulty Carriage unit QM3 2650 Timing slit film QC2 5687 Logic board QM3 2599 Carriage motor QK1 1500 3 times Line feed error 6000 An error occurred in the LF encoder Timing sensor unit QM3 signal 25412 Timing slit disk film QC2 5687 Feed roller QL2 2206 Logic board QM3 2599 Paper feed motor QK1 3849 4 times Purge cam sensor error 5COO An error occurred in the purge unit Purge unit QM3 2651 Logic board QM3 2599 5 times ASF cam sensor err
35. oved easily moisten the swab and clean the roller J 5 When cleaning is completed remove the paper from the front tray and re set it 6 Attach the rear cover Make sure the rear cover fits in place Improper attachment of the cover will cause paper jams CAUTION 20 33 6 Grease application 1 Printer unit Grease ne oil Part name Where to apply grease oil Grease oil an Che Behind the top front of the chassis en 240 20 where the carriage unit slides a Top surface of the carriage rail where ee 475 25 the carriage unit slides Front surface of the carriage rail where 240 20 the carriage unit slides i Back of the carriage rail where the oil KG107A 250 50 carriage unit slides AP PG arm lever Chassis sliding portion re 4 5 to 9 0 AP PG arm lever 6 AP PG swing arm contact portion m 4 5 to 9 0 AP PG arm lever AP PG swing arm contact portion nn 4 5 to 9 0 1 drop 9 to 18 mg wide can be wider Entire surface behind the top front of the chassis 30 i Hg J 20 mg 220 to 260 mg 1 mm from the edge _ J5 mm from the both ends can be left wathout grease Apply grease mm 4 10 reen from Ihe both ends car be left without grease Entire surface of the front Enbre surface of the top and 1 i 20 mg 220 te 260 mg back of the camiage ral l b Back sutare 250 4 SO mg 200 to 300 rng h Top surface 475 15 ma 450 bo S00 mg n c 4 5 la
36. paper lifting plate of the rear tray 1s raised 2 Keep the print head and ink tanks installed in the carriage If the print head is removed from the machine and left alone by itself ink the pigment based black ink in particular is likely to dry For this reason keep the print head installed in the machine even during transportation 3 Turn off the machine to securely lock the carriage in the home position When the machine is turned off the carriage is automatically locked in place This is to prevent the carriage from moving and applying stress to the carriage flexible cable or causing ink leakage during transportation If the print head must be removed from the machine and transported alone attach the protective cap used when the packing was opened to the print head to protect the print head face from damage due to shocks lt 4 MACHINE TRANSPORTATION gt amp 33 33
37. scanning strange noise Confirm the connection between the scanning unit and the logic board Replace the scanning unit or logic board Unsatisfactory print quality No printing or no color ejected Confirm that the ink tanks are installed properly Perform print head maintenance Replace the ink tank or print head Remove foreign material from the purge unit caps if any Replace the purge unit or logic board Printing is faint or white lines appear on printouts even after print head cleaning Line s not included in the print data appears on printouts Remove and re install the print head Confirm that the ink tanks are installed properly Perform print head maintenance Replace the ink tank 9 33 print head purge unit or logic board Paper gets smeared Feed several sheets of paper Perform bottom plate cleaning Clean the paper path with a cotton swab or cloth Clean the rear tray paper feed rollers Clean the front tray paper feed rollers A part of a line is missing on printouts Replace the ink tank or print head Color hue is incorrect Confirm that the ink tanks are installed properly Perform print head maintenance Replace the ink tank or print head Perform print head alignment Printing is incorrect Replace the logic board Confirm that the ink tanks are
38. tal camera Confirm the paper size and print again Press the OK button to clear the error Confirm the following then try again Fill in all the circles on the Photo Index Sheet Place the sheet in the correct orientation and position Solution No special solution Since the ink will be used up soon prepare for a new ink tank When the print head temperature falls the error is automatically cleared If the print head error is indicated repair servicing is required If the print head temperature exceeds the specified limit an intermission is inserted during printing Bi the supported paper type and size Connect the USB cable then turn on the computer Select Yes and press the OK button gt The image selection is cancelled and the menu or sub menu is displayed Select No and press the OK button gt The LCD returns to the display immediately before the message was displayed Symptom Solution Faulty operation The power does not turn on The power turns off immediately after power on A strange noise occurs 8 33 Confirm the connection of the power cord and between the logic board and the power supply unit Replace the power supply unit or logic board Remove foreign material Attach a removed part if any Check the operation of the moving parts such as purge unit carriage unit and paper feeding mechanism Replace a faulty part
39. times the Alarm LED orange or Power LED green lights 5 times Orange Alarm Destination settings I U EB steadily without any changes 26 33 lt Destination settings gt In the destination settings mode press the Stop Reset button the specified number of time s according to the destination listed in the table below and press the ON OFF button Time s LED indication Destination 0 times Green Power No change of the destination 1 time Orange Alarm J apan 2 times Green Power Korea 3 times Orange Alarm us 4 times Green Power Europe 5 times Orange Alarm Australia 6 times Green Power Asia 7 times Orange Alarm China 8 times Green Power Taiwan 9 times Orange Alarm Latin America 10 times Green Power Brazil 11 times Orange Alarm Canada 12 times or more Green Power Return to the destination selection After setting the destination confirm the model name and destination in service test print or EEPROM information print lt Ink absorber counter resetting gt Reset the ink absorber counter to 0 when the ink absorber is replaced 1 Before replacement of the ink absorber check the ink absorber counter value in EEPROM information print 2 In the ink absorber counter resetting mode press the Stop Reset button the specified number of time s according to the replaced ink absorber to set its counter to 0 or 60 for
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