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Canon PIXMA MX7600, Service Manual

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MX7600 
Service Manual 

Revision 0 

 

QY8-13BU-000 

COPYRIGHTc2008 CANON INC. CANON MX7600 032008 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 internal business use. 

Copyright © 2008 by Canon Inc. 
CANON INC. 
Inkjet Device Quality Assurance Div. 2  
451, Tsukagoshi 3-chome, Saiwai-ku, Kawasaki-shi, Kanagawa 212-8530, Japan 

Summary of Contents for PIXMA MX7600

Page 1: ...pographical 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 ...

Page 2: ... to remove the screw under the purge unit 3 Operation panel removal 4 AC adapter removal 5 Emblem removal 6 Positioning of the RCT pump valve unit tube 7 Cable wiring and connecter connection 3 3 Adjustment Settings 1 Paper feed motor adjustment 2 Grease application 3 Ink absorber counter setting 4 User mode 5 Service mode A Service mode operation B Destination settings C Ink absorber counter rese...

Page 3: ...g liquid unit with a new one Screwdriver a pair of tweezers etc 20 min Paper feed motor position adjustment At paper feed motor replacement To adjust the belt tension Position the paper feed motor so that the belt is stretched tight None 5 min Automatic print head alignment At print head replacement At logic board replacement When print quality is not satisfying To secure the dot placement accurac...

Page 4: ...ction is performed at the same time At logic board replacement At platen unit replacement To correct line feeding eject roller diameter None Perform in the service mode LAN resetting At protection sheet replacement To initialize the network setting None Perform in the user mode Machine buttons Computer IJ Network tool 1 min LAN setting information display At confirmation of the network setting as ...

Page 5: ...ot feed properly When the front side of the paper is smeared To clean the pick up rollers of the rear tray Machine buttons Computer MP driver 2 min Rear tray sub roller cleaning When the paper fed from the rear tray is smeared due to ink mist attached to the rear tray sub rollers To clean the rear tray sub rollers Machine buttons 1 min Bottom plate cleaning When the back side of the paper is smear...

Page 6: ...t of the carriage after the machine is turned on the scanning unit is opened and the carriage stops at the ink tank replacement position Name Tool No Application Remarks FLOIL KG 107A QY9 0057 000 To the carriage shaft sliding portions and lift cam bushing In common with the MP610 etc 1 MAINTENANCE 4 65 ...

Page 7: ...tte and press the OK button Paper jam 1300 The paper is jammed Clear the paper and press OK Remove the jammed paper and press the OK button Paper jam in the rear guide when paper feeding from the cassette 1303 Paper jam in the under guide during automatic duplex printing 1304 Ink may have run out 1600 U041 U044 The ink may have run out Replacing the ink tank is recommended Replace the applicable i...

Page 8: ... the paper feed rollers comes the message is displayed for several seconds during printing Ink tank not recognized 1684 U140 The following ink tank cannot be recognized Applicable ink tank icon A non supported ink tank is installed the ink tank LED is turned off Install the supported ink tanks Ink tank not recognized 141 U150 The following ink tank cannot be recognized Applicable ink tank icon A h...

Page 9: ...e ink tank then resume printing The ink tank must be replaced before resuming printing An ink tank which has once been empty is installed Printing with a once empty ink tank can cause faulty printing such as improper ink mixture or it 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 re...

Page 10: ...ber full 5B00 5B01 The ink absorber is supposed to be full Message on the LCD Ink absorber full Service required Error codes 5B00 Main ink absorber is full overseas 5B01 Main ink absorber is full Japan Ink absorber kit No wetting liquid 5250 The wetting liquid is used up Blade cleaner unit 8 times Print head temperature rise error 5200 The print head temperature exceeded the specified value Print ...

Page 11: ...e ink tank position is detected Platen unit Logic board 22 times Scanner home position error 5010 The scanner unit cannot detect the home position or the scanner unit warming up is not performed properly at power on On the LCD Scanner is not operating correctly is displayed Scanner unit Logic board Power LED turned off and Alarm LED lit ROM RAM error The check sum value is incorrect in the ROM che...

Page 12: ... match the receiving machine 102 TX Fallback is not available 103 RX EOL has not been detected for 5 seconds or 15 seconds in CBT 104 TX RTN or PIN has been received 106 RX The procedure signal has been expected for 6 seconds but not received 107 RX Fallback is not available at the sending machine 109 TX After DCS transmission a signal other than DIS DTC FTT CFR or CRP has been received and re tra...

Page 13: ...in ECM transmission DCN has been received 753 TX After transmitting PPS NULL in ECM transmission re transmission of the procedure signal has been attempted the number of specified times but failed or T5 time over 60 sec has occurred 754 TX After transmitting PPS NULL in ECM transmission re transmission of the procedure signal has been attempted the number of specified times but failed 755 TX After...

Page 14: ... TX After transmitting EOR EOM in ECM transmission no significant signal has been received and re transmission of the procedure signal has been attempted the number of specified times but failed 782 TX After transmitting EOR EOM in ECM transmission DCN has been received 783 TX After transmitting EOR EOM in ECM transmission re transmission of the procedure signal has been attempted the number of sp...

Page 15: ...ly See manual The machine scanned the Photo Index Sheet but markings in the sheet were incorrect Press the OK button to clear the error Confirm the following then try again Fill in all the circles on the Photo Index Sheet properly Place the sheet in the correct orientation and position Failed to scan Either document cannot be scanned or is not placed on the platen glass The machine failed in scann...

Page 16: ...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 if any Nothing is displayed on the LCD Confirm the connection between the operation panel the LCD unit and the logic board Replace the operation panel unit or logic board A portion of the LCD is not displayed The display flickers Perform the button and LC...

Page 17: ...ign 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 or print head 1 Perform the followi...

Page 18: ...anning unit when copying When enlarged in the paper feed direction Clean grease or oil off the timing slit disk film or the timing slit disk eject film Replace the timing slit disk film timing slit disk eject film timing sensor unit LF roller platen unit logic board or scanning unit when copying Faulty scanning No scanning Confirm the connection between the scanning unit and the logic board Replac...

Page 19: ... Reset the ink absorber counter See 3 3 Adjustment Settings 5 Service mode for details Ink absorber counter value print After the ink absorber counter is reset the counter value is printed automatically Service test print Carriage unit At replacement 1 Apply grease to the sliding portions See 3 3 Adjustment Settings 2 Grease application 2 Check the ink system function See 3 3 Adjustment Settings 5...

Page 20: ...icing buffer tank operate properly Confirm that the tubes are securely connected to prevent leakage of Clear ink Platen unit After replacement 1 Check the ink system function 2 Perform LF Eject correction in the service mode See 3 3 Adjustment Settings 5 Service mode for details Service test print PR lift shaft ass y At replacement 1 Apply grease to the sliding portions See 3 3 Adjustment Settings...

Page 21: ...ensor in the valve unit excessive clear ink can be supplied causing leakage of the clear ink When both of the sensors detect presence of the reactor liquid the service test print is performed then the reactor information of the EEPROM is automatically initialized after the service test print For Germany A lithium battery is installed in the MX7600 Please be cautious of the following At repair Risk...

Page 22: ...the power cord is disconnected from the machine a hard power off all the documents saved in the machine memory will be lost though the date and time set on the machine are maintained 1 External housing ADF and scanner unit removal 1 Remove the cassette LAN connector cover and telephone jack cover 2 Remove the side covers L and R MX7600 3 REPAIR TABLE OF CONTENTS i Remove 4 screws from the rear cov...

Page 23: ...iii Release the boss on the front right and front left beside the removed screws iv Release the hooks on both sides of the rear tray 21 65 ...

Page 24: ...3 Remove the front covers L and R i Release one screw each from the top of the left and right front covers ii Release the bosses on the top of the front covers 22 65 ...

Page 25: ...crews iii Remove 4 screws on the right side 2 each on the outer and inner sides of the machine and disconnect 1 connector Use a short screwdriver to remove the screws from the inside of the machine If a short screwdriver is not available disengage the damper and open the scanning unit full while referring to step 6 Remove the scanner unit 23 65 ...

Page 26: ...upper front and upper back and disconnect the connector v Release the hooks and insert a screwdriver between the gap so that the main case will not fall vi Release the hook on the other side and pull up the entire main case With the main case removed 24 65 ...

Page 27: ...ver ii Disengage the left hinge slowly lay back the document cover i Remove 2 screws from the damper gear and 1 screw from the scanner lock ii Disengage the damper gear and the scanner lock while pushing them toward the arrow direction iii While holding the scanner unit in the opened position disengage the right hinge by slightly pushing the hinge to the right and pulling up the scanner unit iv Di...

Page 28: ...nder the purge unit 1 Rotate the purge unit gear toward the rear side of the machine to unlock the carriage 2 Slide the carriage to the opposite of the home position to the left and remove the blade cleaner unit 2 screws 3 Remove the screw under the blade cleaner unit 26 65 ...

Page 29: ... unit Remove the 6 screws that fix the panel unit to the scanner unit Pull the panel unit toward you then disconnect the connector and the ground wire 1 screw 3 Remove the panel board Remove the 14 screws and disconnect the connector Caution DO NOT turn over the panel frame after the panel board is removed The buttons are not fixed to the frame thus they will fall if the frame is turned over 27 65...

Page 30: ...s on attaching the AC adapter Japan model Insert and push the arrester ground wire in the hole until it fits to the arrester ground pin inside the AC adapter Other models Fit the arrester ground wire in 2 grooves as shown in the photo After connection gently pull the ground wire and confirm that it will not be removed 28 65 ...

Page 31: ... 5 Emblem removal Push the bottom edge of the emblem to remove it from the double sided adhesive tape 6 Positioning of the RCT pump valve unit tube 29 65 ...

Page 32: ... cause the following when inserting the tubes into the ASF 1 The film attached to the paper ejection roller gear is deformed 2 The tube is pressed with the chassis edge 3 2a Special Notes on Repair Servicing 1 to 6 30 65 ...

Page 33: ... You can enlarge the images by clicking them when the mouse pointer becomes the finger icon 7 Cable wiring and connecter connection 1 Wiring on the right side of the machine MX7600 3 REPAIR TABLE OF CONTENTS The NCU board is removed 31 65 ...

Page 34: ...2 View from the upper back side of the machine 3 The left side of the machine The printer unit is removed from the bottom case 32 65 ...

Page 35: ...4 Wiring of each harness i Carriage cable Do not touch the edge of the logic board OK NG 33 65 ...

Page 36: ...ii DC CONNECTOR ASS Y QM3 3290 34 65 ...

Page 37: ...iii PE SENSOR HARNESS ASS Y QM3 2168 iv Purge unit CR lift sensor v MOTOR MULTI HARNESS ASS Y QM3 3291 35 65 ...

Page 38: ...vi Harnesses of the parts on the bottom right part of the machine Memory card harness Pict bridge harness Speaker harness Coin battery harness 36 65 ...

Page 39: ...Harness positions 37 65 ...

Page 40: ...vii MOTOR MULTI HARNESS ASS Y QM3 3292 38 65 ...

Page 41: ...viii ASF unit harness 39 65 ...

Page 42: ...viiii SENSOR MULTI HARNESS ASS Y QM3 2183 40 65 ...

Page 43: ...x AB SENSOR HARNESS ASS Y QM3 2175 41 65 ...

Page 44: ...xi SOLENOID RELAY HARNESS ASS Y QM3 2184 42 65 ...

Page 45: ...xii RCT pump valve unit harness 43 65 ...

Page 46: ...xiii NCU connection harness Japan model Overseas model 3 2b Special Notes on Repair Servicing 7 44 65 ...

Page 47: ...n the left side of the chassis 1 location Floil KG107A 9 to 18 1 x 1 4 Adjust plate R Carriage shaft cam R sliding portion Floil KG107A 18 to 36 2 x 1 5 Chassis ass y Carriage shaft sliding portion on the right side of the chassis 1 location Floil KG107A 9 to 18 1 x 1 6 Chassis ass y PR lift shaft cam contact portion 3 locations Floil KG107A 18 to 27 1 5 x 3 7 Idler pulley The shaft surface which ...

Page 48: ...46 65 ...

Page 49: ...n 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 to set the ink absorber counter See 3 3 Adjustment Settings 5 Service mode Ink absorber counter setting 3 3 Adjustment Settings 1 to 3 ...

Page 50: ...t effective perform manual print head alignment Set 4 sheets of plain paper A4 or Letter in the cassette Manual print head alignment Perform via the machine operation panel or from the MP driver Maintenance tab Set 2 sheets of plain paper A4 or Letter in the cassette Print head alignment value printing Perform via the machine operation panel or from the MP driver Maintenance tab Confirmation of th...

Page 51: ... version Ink absorber counter value ink amount in the ink absorber USB serial number Destination EEPROM information 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 ROM version Ink absorber counter value ink amount in ...

Page 52: ...nu 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 Green Power Return to the menu selection 15 times Orange Alarm Return to the menu selection 16 times or more Green Power Return to the menu selection If the Stop Reset button is pressed 16 or more times the Alarm LED ...

Page 53: ... value print print sample Wetting liquid counter resetting Reset the wetting liquid counter to 0 when the logic board blade cleaner unit or ink absorber is replaced 1 In the service mode press the Stop Reset button 4 times the ON OFF button 1 time the Stop Reset button 3 times then the ON OFF button 1 time The wetting liquid counter value of the EEPROM is reset to 0 Time s LED indication Destinati...

Page 54: ...er is common among all the models this step is necessary to set the counter value for the main ink absorber 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 5 Press the ON OFF button to set the selected value to the...

Page 55: ...erformed the LF Eject correction values become valid instead of the E MIP correction value thus in the initial EEPROM information print LF and EJ are printed 1 In the LF Eject correction mode press the Stop Reset button the specified number of time s according to the paper to be used in LF Eject correction listed in the table below then press the ON OFF button Set a sheet of selected paper in the ...

Page 56: ...2 The LF Eject correction pattern for the selected paper is printed LF correction values from 0 to 2 on the left Eject correction values from 0 to 2 on the right 54 65 ...

Page 57: ...correction becomes ON and the machine returns to the service mode menu selection Selected pattern number Number of times the Stop Reset button is pressed M 1 1 time 0 0 times 2 2 times Each time the Stop Reset button is pressed the Alarm and Power LEDs light alternately Alarm in orange and Power in green If the Stop Reset button is pressed 3 times or more then the ON OFF button is pressed the mach...

Page 58: ...LF Eject correction flowchart 56 65 ...

Page 59: ... turn red at the same time 4 After the whole LCD turns red open the scanning unit printer cover to display the color pattern If there is any segment left blue in step 3 the display remains unchanged even when the scanning unit printer cover is opened 5 Press the ON OFF button to return to the service mode menu selection 1 ON OFF button 2 COPY button 3 FAX button 4 SCAN button 5 MEMORY CARD button ...

Page 60: ...he saved data to the EEPROM and turn off the machine PTT parameter mode operation procedures 1 In the user mode press the SCAN button to enter the scan mode and press 9 7 6 9 2 The following message is displayed on the LCD BIT SWITCH menu 3 Each time the right or left cursor button is pressed the menu is changed NUMERIC PARAM menu Note Not used in servicing Note Not used in servicing Note Not used...

Page 61: ...g as of December 2007 SW 08 09 12 14 to 20 3 Each SW has 8 bit information Using the left or right cursor buttons move the cursor to the bit to be changed and enter the setting value 1 or 0 Bit 7 00000000 Bit 0 4 Press the OK button to finalize the setting value For the definition and description of each bit of each SW refer to the G3 Facsimile Service Data Service Handbook English QY8 13BC 010 Ja...

Page 62: ...ry depending on the item 4 Press the OK button to finalize the selected setting value For the definition and description of each bit of the SW refer to the G3 Facsimile Service Data Service Handbook English QY8 13BC 010 Japanese QY8 12B6 020 5 Press the Stop Reset button to save the setting value 6 Press the ON OFF button Confirmation of the setting values Print and confirm the PTT parameter setti...

Page 63: ...PTT parameter print sample for the MX7600 Japan model 3 3 Adjustment Settings 4 and 6 61 65 ...

Page 64: ...3 4 Verification Items 1 Service test print Service test print sample Front side MX7600 3 REPAIR TABLE OF CONTENTS 62 65 ...

Page 65: ...Back side 63 65 ...

Page 66: ... 2 Ink absorber counter value print Print sample 3 4 Verification Items 64 65 ...

Page 67: ...hen the packing was opened to the print head to protect the print head face from damage due to shocks MX7600 TABLE OF CONTENTS 1 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 2 Securely lock the carriage in the home position...

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