Canon MX7600 Service Manual
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Canon MX7600 Service Manual

Canon 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

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Summary of Contents for Canon MX7600

  • Page 1 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.

  • Page 2: Table Of Contents

    MX7600 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.

  • Page 3: Maintenance

    MX7600 TABLE OF CONTENTS 1. MAINTENANCE 1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement Consumables by Service Engineer (1) Adjustment Approx. Adjustment Timing Purpose Tool time EEPROM - At logic board replacement To initialize settings None. 1 min. initialization Perform in the service mode.
  • Page 4 mode. LF / Eject - At logic board replacement To correct line feeding (LF None. 5 min. correction - At feed roller ass'y roller diameter). Perform in the service replacement mode. correction and Eject correction - At logic board replacement To correct line feeding (eject None.

  • Page 5: Customer Maintenance

    1-2. Customer Maintenance Approx. Adjustment Timing Purpose Tool time Automatic print head - At print head replacement To ensure accurate dot - Machine 9 min. alignment - When print quality is not satisfying placement. buttons (uneven printing, etc.) - Plain paper - Computer (MP driver) Manual print head...

  • Page 6: Special Tools

    1-3. Special Tools 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. 1-4. Serial Number Location On the carriage flexible cable holder (visible on the right of the carriage after the machine is turned on, the scanning unit is opened, and the carriage stops at the ink tank replacement position) <1.

  • Page 7: List Of Error Display / Indication

    MX7600 TABLE OF CONTENTS 2. LIST OF ERROR DISPLAY / INDICATION 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.
  • Page 8 Press [OK] and repeat automatic print head again. operation. <See manual> (In the MX7600, use plain paper.) Dirty paper feed [2600] The transport unit may not be When the time to perform periodic cleaning of the paper roller.
  • Page 9 No ink (no raw ink). [1698] U172 The ink has run out. Stop The PGI-9PBK, PGI-9Y, PGI-9M, or PGI-9C ink is used printing, then up (the applicable ink tank LED flashes). Press the replace the ink tank. Stop/Reset button to stop printing, replace the empty ink (Applicable ink tank icon) tank(s), then resume printing.

  • Page 10: Service Call Errors

    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 is displayed on the LCD. Cycles of Solution blinking of Error...
  • Page 11 B310: An error occurred in the reactor roller during rotation of the reactor motor. 14 times Paper feed cam sensor [6B10] An error occurred in the paper feed cam - Sheet feed unit error sensor during paper feeding from the - Logic board cassette.

  • Page 12: Fax Errors

    2-3. Fax Errors For errors other than those listed below, please refer to the "G3 / G4 Facsimile Error Code List (Rev. 2)." (1) User error codes Error code TX / RX Meaning #001 Document jam #003 TX / RX Document is too long, or page time-over #005 TX / RX...
  • Page 13 ##280 Re-transmission of the procedure signal has been attempted the specified number of times, but failed. ##281 Re-transmission of the procedure signal has been attempted the specified number of times, but failed. ##282 Re-transmission of the procedure signal has been attempted the specified number of times, but failed. ##283 Re-transmission of the procedure signal has been attempted the specified number of times, but failed.
  • Page 14 ##769 After transmitting PPS-EOP in ECM transmission, re-transmission of the procedure signal has been attempted the number of specified times but failed. ##770 After transmitting EOR-NULL 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. ##772 After transmitting EOR-NULL in ECM transmission, DCN has been received.

  • Page 15: Other Error Messages

    2-4. Other Error Messages Message on the LCD Cause Solution Device memory is full. Cannot The memory is not sufficient to Reduce the amount of data to be printed, or print from a continue process. Reduce the perform the print job in copying. computer.

  • Page 16: Warnings

    2-5. Warnings Warning Message on the LCD Solution Low ink "!" is indicated for an applicable ink tank icon in No special solution. the Status Monitor. Since the ink will be used up soon, prepare for a new ink tank. Print head temperature If the print head temperature does not fall, the When the print head temperature falls, the error is...
  • Page 17 - 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 scanning, strange - Confirm the connection between the scanning unit and noise).
  • Page 18 - 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.

  • Page 19: Repair

    MX7600 TABLE OF CONTENTS 3. REPAIR 3-1. Notes on Service Part Replacement (and Disassembling / Reassembling) Service part Adjustment / settings Operation check Notes on replacement Logic board ass'y - Before removal of the logic After replacement: - EEPROM information print board ass'y, remove the power 1.
  • Page 20 buffer tank operate properly. - Confirm that the tubes are securely connected (to prevent leakage of Clear ink). Platen unit After replacement: - Service test print 1. Check the ink system function. 2. Perform LF / Eject correction in the service mode. [See 3-3.
  • Page 21 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 of explosion if battery is replaced by an incorrect type. Explosionsrisiko, falls Batterie nicht mit vorgeschriebenem Baterrietypus ersetzt wird.

  • Page 22: Special Notes On Repair Servicing

    MX7600 --- 3. REPAIR TABLE OF CONTENTS 3-2. Special Notes on Repair Servicing (You can enlarge the images by clicking them when the mouse pointer becomes the finger icon.) Be sure to protect the machine from static electricity in repair servicing, especially the LCD, operation panel board, scanner unit, logic board, card board, and NCU board.
  • 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 4) Remove the ADF unit, scanner unit, and main case all together. i. Unlock the clear ink tank locking cover. ii. Disconnect 4 connectors, and remove 3 screws. iii. Remove 4 screws on the right side (2 each on the outer and inner sides of the machine), and disconnect 1 connector.
  • Page 26 iv. Remove 3 screws on the left side (1 each on the side, 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.
  • Page 27 5) Remove the ADF unit. (The ADF unit can be removed without removing the main case.) i. Disengage the right hinge (while slightly pushing the ii. Disengage the left hinge (slowly lay back the hinge to the right, pull up the document cover). document cover).
  • Page 28 (2) Printer unit separation from the bottom case (how to remove the screw under 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.
  • Page 29 (3) Operation panel removal 1) Remove the panel cover. Using a flat-blade screwdriver, release the front side of the panel cover. While slightly lifting up the cover, pull it toward you. 2) Remove the panel 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).
  • Page 30 (4) AC adapter removal 1) Remove the side cover L. 2) Remove the AC adapter (2 screws on the side, 1 screw on the top). Special notes 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. After connection, gently pull the ground wire and confirm that it will not be removed.
  • 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 Be cautious not to 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 MX7600 --- 3. REPAIR TABLE OF CONTENTS 3-2. Special Notes on Repair Servicing (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.
  • Page 34 <The printer unit is removed from the bottom case.> 2) View from the upper-back side of the machine. 3) The left side of the machine. 32 / 65...
  • Page 35 4) Wiring of each harness i. Carriage cable Do not touch the edge of the logic board. 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 MX7600 --- 3. REPAIR TABLE OF CONTENTS 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).
  • Page 48 46 / 65...
  • Page 49 (3) 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. (The value can be set in 10% increments.) 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%).
  • Page 50 MX7600 --- 3. REPAIR TABLE OF CONTENTS (4) User mode Function Procedures Remarks Nozzle check Perform via the machine operation Set a sheet of plain paper (A4 or Letter) in the cassette. pattern printing panel, or from the MP driver Maintenance tab.
  • Page 51 COPY in green, starting with Alarm LED.) 4) When the COPY 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.
  • Page 52 (Power) 7 times Orange Return to the menu (Alarm) selection 8 times Green Return to the menu (Power) selection 9 times Orange Return to the menu (Alarm) selection 10 times Green LF / Eject correction "LF / Eject correction" below. (Power) 11 times Orange...
  • Page 53 <Destination settings> 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) Japan...
  • Page 54 <Ink absorber counter setting> 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 service mode, press the Stop/Reset button 13 times, then press the ON/OFF button to enter the ink absorber counter setting mode.
  • Page 55 3 times HP BrightWhite 4 times Canon Extra, STEINBEIS - 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 NOT pressed, and only the ON/OFF button is pressed, the machine remains in the LF / Eject correction mode.
  • 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 3) In the printout, select the Pattern No. in which streaks or lines are the least noticeable. 3-1) LF correction value Press the Stop/Reset button the same number of time(s) as the selected Pattern No., then press the ON/OFF button. Selected pattern Number of times the Stop/Reset button is number...
  • Page 58 LF / Eject correction flowchart: 56 / 65...
  • Page 59 <Button and LCD test> 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 (total 44 buttons).
  • Page 60 (6) PTT parameter mode Enter the PTT parameter mode in the user mode as below. (The PTT parameter mode cannot be entered in the service mode.) 1) In the user mode, press the SCAN button to enter the scan mode. 2-a) Press #, 9, 7, 6, 9, # to enter the PTT parameter mode.
  • Page 61 <#1 BIT SWITCH> 1. In the #1 BIT SWITCH menu, the following screen is displayed: PTT PRAMETER #1 BIT SWITCH SW#01 00000000 2. Each time the up or down cursor button (or the OK button) is pressed, the SW# changes from 01 to 20. Be cautious not to select the SW numbers which are not used in servicing.
  • Page 62 <#2 NUMERIC PARAM.> 1. In the #2 NUMERIC PARAM. menu, the following screen is displayed: PTT PRAMETER #2 NUMERIC PARAM 01: 00000 2. Each time the up or down cursor button (or the OK button) is pressed, the SW# changes from 01 to 60. Be cautious not to select the SW numbers which are not used in servicing.
  • Page 63 PTT parameter print sample for the MX7600 Japan model: <3-3. Adjustment / Settings, (4) and (6)> 61 / 65...
  • Page 64 MX7600 --- 3. REPAIR TABLE OF CONTENTS 3-4. Verification Items (1) Service test print <Service test print sample> Front side: 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 MX7600 TABLE OF CONTENTS 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 paper lifting plate of the rear tray is raised.

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