Canon PIXMA MP620 series Service Manual Download Page 2

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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

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) External housing, scanner unit, and document cover removal

(2) Operation panel removal

(3) Cable wiring and connection

(4) Emblem removal

(5) Carriage unlocking

(6) ASF unit removal

(7) Carriage unit removal

(8) Spur unit and platen unit removal

(9) Purge drive system unit (right plate) and switch system unit (left plate) removal

3-3. Adjustment / Settings

(1) Paper feed motor adjustment

(2) Document pressure sheet (sponge sheet) replacement

(3) Grease application

(4) Ink absorber counter setting

(5) User mode

(6) Service mode

A: Service mode operation

B: LF / Eject correction

C: Button and LCD test

D: Ink absorber counter setting

3-4. Verification After Repair

(1) Standard inspection flow

(2) Service test print

(3) Ink absorber counter value print

4. MACHINE TRANSPORTATION

MP620 / MP628

Summary of Contents for PIXMA MP620 series

Page 1: ...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 i...

Page 2: ...over removal 2 Operation panel removal 3 Cable wiring and connection 4 Emblem removal 5 Carriage unlocking 6 ASF unit removal 7 Carriage unit removal 8 Spur unit and platen unit removal 9 Purge drive system unit right plate and switch system unit left plate removal 3 3 Adjustment Settings 1 Paper feed motor adjustment 2 Document pressure sheet sponge sheet replacement 3 Grease application 4 Ink ab...

Page 3: ...ead replacement At logic board replacement When print quality is not satisfying To secure the dot placement accuracy None Perform in the user mode 10 min Grease application At carriage unit replacement At Easy Scroll Wheel replacement To maintain sliding properties of the following items Carriage rail Wheel base FLOIL KG 107A 1 min Ink system function check At logic board replacement At spur unit ...

Page 4: ...osition prior to removal or replacement of the carriage unit put a mark on the main chassis before removal of the carriage unit None 1 min LAN resetting At logic board replacement At WLAN board replacement To initialize the network setting None Perform in the user mode Machine buttons Host computer IJ Network tool 1 min Wired Wireless LAN setting information display At confirmation of the network ...

Page 5: ... smeared To clean the paper feed rollers of the selected paper source rear tray or cassette Machine buttons Computer MP driver 2 min Bottom plate cleaning When the back side of the paper is smeared To clean the platen ribs Feed the paper from the rear tray Machine buttons Computer MP driver 1 min Scanning area cleaning When the platen glass or document pressure sheet is dirty To clean the platen g...

Page 6: ...1 4 Serial Number Location On the spur holder visible when the scanning unit cover is opened When the machine power is OFF When the machine power is ON 1 MAINTENANCE 4 44 ...

Page 7: ... paper and press OK Remove the jammed paper and press the OK button Paper jam in the rear guide 1303 Ink may have run out 1600 U041 The following ink may have run out Replacing the ink tank is recommended Replace the applicable ink tank or press the OK button to clear the error without ink tank replacement When the error is cleared by pressing the OK button ink may run out during printing Ink tank...

Page 8: ...on A non supported ink tank an ink tank that is sold in a different region from where the machine was purchased is installed the ink tank LED is turned off Install the supported ink tanks Ink tank not recognized 1410 to 1419 U150 The following ink tank cannot be recognized Applicable ink tank icon A hardware error occurred in an ink tank the ink tank LED is turned off Replace the ink tank s No ink...

Page 9: ...1 Smearing or scratches on the LF EJ slit film clean the LF EJ slit film 2 Foreign material or paper debris in the LF drive remove foreign material 3 Cable connection 4 Part replacement LF EJ slit film LF EJ timing sensor unit Paper feed roller unit Logic board Paper feed motor 4 times Purge cam sensor error 5C00 An error occurred in the purge unit 1 Foreign material or paper debris around the pur...

Page 10: ...system unit Logic board 14 times APP sensor error 6A90 An error occurred during paper feeding or purging Paper feed cam sensor error 6B10 An error occurred in the paper feed cam sensor during paper feeding from the cassette or the paper absorbing a large amount of ink jammed in the PF rear guide 1 Jammed paper in the PF rear guide when a large amount of ink was absorbed in the paper remove the jam...

Page 11: ...e paper type being used is not supported for paper feeding from the cassette Change the paper source to the rear tray Cannot apply the following setting s Change the setting s Settings made conflict each other e g Selecting borderless printing on plain paper Change the settings so that they will not conflict each other Device memory is full Cannot continue process Reduce the number of documents ph...

Page 12: ...not correct Check the page size you have set Non supported size of paper for Camera Direct printing via PictBridge connection is selected Cancel printing on the digital camera Confirm the paper size and print again Failed to scan Photo Index Sheet Check orientation and position and make sure platen and sheet are clean See manual The machine failed in scanning the Photo Index Sheet Press the OK but...

Page 13: ...ly before the message was displayed 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 Symptom Solution Faulty operation The power does not turn on The power turns off immediately after power on 1 Confirm connection of the power supply unit Harness and connector conditions 2 Replace the following item s Logic board Power supply uni...

Page 14: ...tem s The part in the paper path causing the smearing Graphic or text is enlarged on printouts in the carriage movement direction 1 Confirm that the carriage slit film is free from smearing or scratches Cleaning of the timing slit film 2 Replace the following item s Timing slit film Carriage unit Logic board Scanner unit for copying Graphic or text is enlarged on printouts in the paper feed direct...

Page 15: ...ber kit After replacement 1 Reset the ink absorber counter See 3 3 Adjustment Settings 6 Service mode for details Ink absorber counter value print After the ink absorber counter is reset the counter value is printed automatically Carriage unit At replacement 1 Before removal of the carriage rail mark the carriage rail position See 3 2 Special Notes on Repair Servicing 7 Carriage unit removal for d...

Page 16: ...Document bottom cover Scanner unit Panel board ass y Be cautious not to scratch or damage the LCD cable At replacement 1 Perform button and LCD test See 3 3 Adjustment Settings 6 Service mode for details Service test print LCD viewer unit Timing slit strip film Upon contact with the film wipe the film with ethanol Confirm no grease is on the film Wipe off any grease thoroughly with ethanol Do not ...

Page 17: ...to protect the logic board ass y from damages Do not touch the timing slit strip film and timing slit disk feed film No grease or abrasion is 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 ca...

Page 18: ...operation panel board scanner unit logic board card board IrDA board PE sensor board and WLAN board 1 External housing scanner unit and document cover removal MP620 MP628 3 REPAIR TABLE OF CONTENTS 1 Remove the cassette 2 Open the front door and scanner unit then remove the side cover R 2 screws The scanner unit hinges are fitted in the right and left side covers 16 44 ...

Page 19: ...3 Remove the scanner cable panel cable FB encoder cable and core The core is fixed on the rib of the sub case back of the main case 17 44 ...

Page 20: ... Remove the side cover L scanner unit then document pressure plate unit 2 screws While holding the scanner unit remove the side cover L then disengage the scanner unit from the scanner support arm 18 44 ...

Page 21: ...5 Remove the main case and sub case 19 44 ...

Page 22: ... the scanner unit It will make it easier if the cable core is removed first 2 Remove the panel cover Insert a pair of tweezers through into the hole in the bottom of the document pressure plate and push the panel cover to release it from the plate base 3 Remove the top cover from the base 9 screws There are 2 claws at the center of the top cover where the document pressure sheet sponge sheet is at...

Page 23: ...ove the operation panel unit from the base 4 screws For the hinge cable core position and cable layout see the photos below Use the longnose pliers in disengaging the hinge and in releasing the spring 21 44 ...

Page 24: ...ve the panel board 10 screws 6 Remove the Easy Scroll Wheel from the panel board Be cautious not to touch the grease between the wheel base and the wheel See 3 3 Adjustment Settings 3 Grease application 22 44 ...

Page 25: ... and connection 1 Wiring on the right side 2 Wiring of the ink sensor cable and the WLAN harness Bottom case and panel cover removed 3 Wiring on the left side Hook the ground cable on the side of the bottom case 23 44 ...

Page 26: ...ottom to remove from the double sided adhesive tape 1 Rotate the drive unit gear toward the back of the machine to unlock the carriage Slide the carriage to the left the opposite of the home position 1 Remove 1 screw from the left plate and 2 screws from the right plate 24 44 ...

Page 27: ...e main chassis mark the positions of the screws that fix the carriage rail to the main chassis 3 points for each screw the left right and center 2 Remove the timing slit film Be cautious to keep the film free from any grease or scratches 25 44 ...

Page 28: ...lt free from any grease 4 Remove 3 screws that fix the carriage rail to the main chassis Before removing the center screw remove the carriage cable holder from the front chassis After the 3 screws are removed slowly put down the carriage rail 5 Remove the carriage unit Be cautious that the grease will not attach to any parts 26 44 ...

Page 29: ...he ink sensor and the middle front cover from the front chassis 2 From the left and right sides of the spur unit release the springs 2 on the left side 1 on the right side Then slowly pull the spur unit upward to remove it from the platen unit 27 44 ...

Page 30: ...3 Remove the front chassis 3 screws 4 Unlock the paper eject roller gear While raising the front of the platen unit remove the platen unit from the printer unit 28 44 ...

Page 31: ...removal 1 Release the springs of the carriage motor cable duplex printing paper feed roller cassette feed roller cassette feed guide and paper guide unit both sides See the Parts Catalog for details 2 Remove the pressure roller springs both the left and the right ones 29 44 ...

Page 32: ...the screws that fix the units to the main chassis 2 on the right 3 on the left 4 Separate the main chassis from the switch system unit and the purge drive system unit 3 2 Special Notes on Repair Servicing 30 44 ...

Page 33: ...position the upper left corner of the document pressure sheet at the scanning reference point on the platen glass back left where the red lines cross in the photo above 2 Slowly close the document pressure plate while maintaining the hinge position The document pressure sheet will attach to the plate 3 Open the plate to confirm the following No extension of the sponge edges over the mold part of t...

Page 34: ...s 2 Floil KG107A 18 to 36 1 x 2 3 Carriage rail The surface where the carriage unit slides 3 Floil KG107A 360 to 440 4 Carriage rail The surface where the carriage unit slides 4 Floil KG107A 360 to 440 5 Main chassis The surface where the carriage unit slides 5 Floil KG107A 230 to 290 6 Parallel pin The pin surface which contacts the idler pulley hole 6 Floil KG107A 9 to 18 1 x 1 7 APP code wheel ...

Page 35: ...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 and the way to set the ink absorber counter See 3 3 Adjustment Settings 6 Service mode Ink absorber counter setting No Part name Where to apply grease oil Drawing No Grease Grease amount mg Number of drops x locations 8 Easy Scroll W...

Page 36: ...anel or from the MP driver Maintenance tab Confirmation of the current print head alignment values Paper feed roller cleaning Perform via the machine operation panel or from the MP driver Maintenance tab The paper feed rollers of the selected paper source the rear tray or the cassette rotate while being pushed to the paper lifting plate Since the rollers will wear out in this cleaning it is recomm...

Page 37: ...LEDs light alternately Alarm in orange and Power in green starting with Alarm LED iv When the Power LED lights in green and the machine displays Service Mode Idle the machine is ready for the service mode operation LCD ready for the service mode operation 2 Start the Service Tool on the connected computer i When a button is clicked in the Service Tool dialog box that function is performed During o...

Page 38: ...r counter is reset the counter value is printed automatically 8 Platen Platen ink absorber counter resetting Not used 9 EEPROM Clear EEPROM initialization The following items are NOT initialized and the shipment arrival flag is not on USB serial number Destination settings Record of ink absorber counter resetting and setting Record of repair at the production site LF Eject correction values Left m...

Page 39: ...he Pattern No in which streaks or lines are the least noticeable for the LF check pattern and the Eject check pattern respectively LF Pattern No 0 to 4 Eject Pattern No 0 to 4 4 In the LF EJECT Correction section of the Service Tool select the Pattern No from 0 to 4 determined in step 3 for LF and EJECT respectively and click Set 5 The selected LF and Eject correction values are written to the EEP...

Page 40: ...croll Wheel clockwise step by step The LCD is divided into 16 segments representing each step The color of a segment corresponding 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 1 ...

Page 41: ...rotated counterclockwise 1 round 16 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 5 Adjust the transparent color and LCD flicker as follows 5 1 Press the OK button OK1 in white is displayed on the black background If the result is not good N...

Page 42: ...bsorber counter value should be set in the service mode using the Service Tool In the Ink Absorber Counter section of the Service Tool select Main from the Absorber pull down menu From the Counter Value pull down menu select the value in 10 increments which is the closest to the actual counter value confirmed before replacement of the logic board and click Set 3 Print EEPROM information to confirm...

Page 43: ... Communication with a connected computer Check point Via USB connection to the computer printing from the computer must be performed properly paper feeding from the rear tray and from the cassette respectively Additional verification to be made For repair of a specific problem confirm the applicable specific function in the user mode PictBridge IrDA communication wired or wireless LAN connection B...

Page 44: ... 2 Service test print Service test print sample 42 44 ...

Page 45: ... 3 Ink absorber counter value print Print sample 3 4 Verification Items 43 44 ...

Page 46: ...lone 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 If the packing material that fixed the carriage from the factory is still available re use it to fix the carriage to prevent the carriage unlocked during transportation MP620 MP628 TABLE OF CONTENTS 1 If the print head is removed from the machine and left alone...

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