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(7) Carriage unit removal

1) On the 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 it free from any grease or damage.

3) Using a pair of pliers, etc., release the left end of the pulley holder spring, then remove the

carriage belt. Be cautious to keep it free from any grease.

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Summary of Contents for MX883

Page 1: ...MX880 series Service Manual MX882 MX883 MX884 MX885 MX886 MX888 Revision 0 QY8 13DF 000 COPYRIGHT 2011 CANON INC CANON MX880 series 012011 XX 0 00 0 ...

Page 2: ... 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 t...

Page 3: ...res Refer to the graphics in the separate Parts Catalog MX880 series Troubleshooting Identify the problem and handle it accordingly Repair When a part needs to be replaced see this section Adjustment Settings After repair perform the necessary adjustment and settings Verification At the end of the servicing verify the machine following the inspection flow in this section Appendix Information that ...

Page 4: ...ive system unit right plate and switch system unit left plate removal 10 Engine unit reassembly 11 Cable wiring and connection 3 ADJUSTMENT SETTINGS 3 1 Adjustment 3 2 Adjustment and Maintenance in User Mode 3 3 Adjustment and Settings in Service Mode 1 Service mode operation procedures 2 Service Tool functions 3 LF Eject correction 4 Button and LCD test 5 Ink absorber counter setting 3 4 Adjustme...

Page 5: ...tom case for New Zealand only 10 Speed Dial Utility 4 VERIFICATION AFTER REPAIR 4 1 Standard Inspection Flow 4 2 Integrated Inspection Pattern Print 4 3 Ink Absorber Counter Value Print 5 APPENDIX 5 1 Customer Maintenance 5 2 Special Tools 5 3 Sensors 5 4 Serial Number Location 6 MACHINE TRANSPORTATION TABLE OF CONTENTS ...

Page 6: ...The display flickers 1 Confirm cable connection LCD cable No incomplete connection cable breakage or cable caught in units 2 Replace the following item s LCD ass y LCD cable Panel board ass y Logic board ass y Paper feed problems multi feeding skewed feeding no feeding 1 Examine and remove any foreign material from the following parts ASF unit PE sensor Paper guide unit Pressure roller unit Spur u...

Page 7: ...on ejection of ink for details 1 Confirm the ink tank conditions No remainder of the outer film the air through must be opened Whether the ink tank is Canon genuine one or not Whether the ink tank is refilled one or not Re setting of an ink tank 2 Remove foreign material from the purge unit caps if any 3 Confirm the conditions of the carriage head contact pins 4 Perform cleaning or deep cleaning o...

Page 8: ...he following item s Timing slit disk feed film Timing slit disk eject film Timing sensor unit Platen unit Logic board ass y Scanner unit for copying Faulty scanning No scanning 1 Confirm cable connection 2 Replace the following item s Scanner unit Logic board ass y Streaks or smears on the scanned image 1 Clean the platen glass and the document pressure sheet 2 Confirm the position of the document...

Page 9: ...tray There is no paper Load paper and press OK Confirm that the rear tray is selected as the paper source Set the paper in the rear tray and press the OK button If the error is not cleared confirm that no foreign material is inside the paper feed slot PE sensor board ass y ASF unit Pressure roller unit No paper in the cassette 1003 Cassette There is no paper Load paper and press OK Confirm that th...

Page 10: ...Print head temperature sensor error 1403 Faulty EEPROM data of the print head 1405 Multiple ink tanks of the same color installed 1487 U071 More than one ink tank of the following color is installed Replace the wrong ink tank s with the correct one s Ink tank Ink tank in a wrong position 1680 U072 Some ink tanks are not installed in place Install the ink tank s in the correct position Ink tank War...

Page 11: ... printed properly faint printing etc perform print head cleaning then perform the print head alignment again Carriage unit Print head Purge drive system unit The remaining ink amount unknown raw ink present 1683 U130 The remaining level of the ink cannot be correctly detected Replace the ink tank An ink tank which has once been empty is installed Replace the applicable ink tank with a new one Prin...

Page 12: ... ink tank s press the Stop 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 that the function to detect the remaining ink amount was disabled Ink tank Spur unit Non supported hub 2002 An unsupported USB hub is connected Remove the hub Remove the applicable USB hub from the PictBridge USB connector Document feede...

Page 13: ... not suitable for duplex scanning Press OK to cancel operation and eject document Remove the paper from the ADF and press the OK button DF unit Time out for the scanner device 2700 Timeout error has occurred Press OK The buffer became full in the middle of scanning operation and 60 minutes have elapsed since then making re scanning unstable Press the OK button to clear the error Premium Contents p...

Page 14: ... slit disk eject film Timing sensor unit Paper feed roller unit Logic board ass y Paper feed motor 4 times Purge cam sensor error 5C00 1 Foreign material around the purge drive system unit Remove foreign material 2 Cable connection LF encoder cable PE sensor cable Paper feed motor harness ass y Re connect the cable 3 Strange sound at power on Replace the purge drive system unit Purge drive system ...

Page 15: ...d the logic board in set Be sure to replace them at the same time 2 Burn mark or heat deformation of the logic board If a burn mark or heat deformation is seen on the logic board replace the print head and the logic board in set Be sure to replace them at the same time 3 Head contact pin condition of the carriage unit If the pin is bent or deformed replace the carriage unit 4 Cable connection CR F...

Page 16: ...r 6B10 1 Ink absorber counter value If the value exceeds 60 replace the ink absorber Follow the Guideline for Preventive Replacement of the Ink Absorber 2 Jammed paper in the under guide Remove the jammed paper Pick up arm unit Duplex paper feed roller unit 15 times USB host Vbus overcurrent 9000 1 Part replacement Replace the logic board ass y 16 times Pump roller sensor error 5C20 1 Cable connec...

Page 17: ... cable 2 Damper condition inside the scanner If the damper winds around the CIS replace the scanner unit 3 Scanner belt pulley If the pulley is dislocated replace the scanner unit 4 Document pressure sheet conditions Re attach the document pressure sheet or replace it Scanner unit Document pressure sheet Logic board ass y FB motor error 5012 1 Cable connection J900 J1103 J704 Re connect the cable ...

Page 18: ...heck the telephone line type settings rotary pulse touch tone 022 TX Call failed no dial registration Register a dial number 037 RX Memory overflow at reception of an image Delete unnecessary image data from the memory 085 TX No color fax function supported in the receiving machine Send a fax in the B W mode 099 TX RX Transmission terminated mid way by pressing the Stop button 995 TX RX During TX ...

Page 19: ... has been received in a method other than the binary procedure Set the other machine ready for reception 204 TX DTC has been received even when there is no sending data 220 TX RX System error main program hang up Turn the machine off and turn it on again Modular board Logic board 224 TX RX An error has occurred in the procedure signal in G3 transmission 226 TX RX The stack pointer has shifted from...

Page 20: ...se however the procedure failed causing T1 time over In bit 0 of the service data 1 SSSW SW28 prohibit the V 8 V 34 procedure of the sending machine 671 RX In V 8 call reception the procedure fails to proceed to phase 2 after CM detection causing T1 time over In bit 0 of the service data 1 SSSW SW28 prohibit the V 8 V 34 procedure of the sending machine 672 TX In V 34 transmission the procedure fa...

Page 21: ...PS in ECM transmission DCN has been received Try a higher transmission level 758 TX After transmitting PPS MPS 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 Increase the period of time of the T5 time over 759 TX After transmitting PPS MPS in ECM transmission re transmission of the procedur...

Page 22: ...ULL 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 Try a higher transmission level Increase the transmission level of the receiving machine 772 TX After transmitting EOR NULL in ECM transmission DCN has been received Try a higher transmission level 773 TX After transmitting EOR NULL...

Page 23: ...signal has been attempted the number of specified times but failed Try a higher transmission level Increase the transmission level of the receiving machine 787 TX After transmitting EOR EOP in ECM transmission DCN has been received Try a higher transmission level 788 TX After transmitting EOR EOP in ECM transmission re transmission of the procedure signal has been attempted the number of specified...

Page 24: ...d on the LCD 7 Reset the LAN settings 8 Perform print head alignment 9 Print via USB connection 10 Copy 11 Perform direct printing from a digital camera PictBridge Absorber kit 1 Cassette unit 2 Left and right side covers 3 Document pressure plate unit 4 Scanner unit 5 Main case 6 Rear cover 7 Print unit 8 Ink absorber See 2 2 Disassembly Reassembly Procedures 3 Printer unit removal Ink absorber r...

Page 25: ...r feed motor See 3 6 Special Notes on Servicing 2 Paper feed motor adjustment for details In the service mode 2 Print the integrated inspection pattern Paper feed motor Platen unit 1 Cassette unit 2 Left and right side covers 3 Document pressure plate unit 4 Scanner unit 5 Main case 6 Rear cover 7 Print unit 8 See 2 2 Disassembly Reassembly Procedures from this step In the service mode 1 Perform L...

Page 26: ...ons See 3 5 Grease Application for details In the service mode 2 Print the integrated inspection pattern Idler pulley parallel pin APP code wheel gear shaft Document pressure sheet 1 Cassette unit 2 Left and right side covers 3 Document pressure plate unit 4 Scanner unit 1 Confirm the document pressure plate sheet position See 3 6 Special Notes on Servicing 4 Document pressure sheet replacement fo...

Page 27: ... the carriage rail to the main chassis mark the screw positions so that the carriage rail will be re attached to the main chassis in its original position See 2 2 Disassembly Reassembly Procedures 7 Carriage unit removal for details strip film Procedures and Parts Catalog Upon contact with the film wipe the film with ethanol Confirm no grease is on the film Wipe off any grease thoroughly with etha...

Page 28: ...ce their structure is similar to that of the MX880 series 1 External housing scanner unit and document cover removal MX880 series TABLE OF CONTENTS 1 Remove the cassette and the rear guide unit no screws 2 Remove the AC adapter 1 screw Pull out the AC adapter from the bottom of the bottom case The core fits to the AC adapter rib See 3 6 Special Notes on Servicing 7 Power supply unit and modular bo...

Page 29: ...4 Remove the scanner cable LCD cable document feeder harness panel ground harness and core 1 screw The core fits to the main case rib 24 76 ...

Page 30: ...5 Remove the side cover L disengage the scanner support then separate the scanner from the printer 4 screws 25 76 ...

Page 31: ...6 Separate the scanner from the document feeder no screws 7 Remove the document feed cover where the emblem is attached no screws 27 76 ...

Page 32: ...8 Remove the main case no screws 28 76 ...

Page 33: ... 2 Operation panel and document feed unit removal 1 Remove the panel cover right cover and rear cover no screws Be cautious not to damage the tabs and hooks 29 76 ...

Page 34: ...2 Remove the document feed cover 3 Remove the operation panel document feed tray eject tray and document feed unit 16 screws The core fits to the document feed base rib 30 76 ...

Page 35: ...4 Remove the LCD ass y no screws 31 76 ...

Page 36: ... unit removal and ink absorber replacement 5 Remove the panel board 10 screws 1 Separate the PictBridge chassis from the main PCB chassis 1 screw 2 Separate the main PCB chassis from the bottom case 1 screw 32 76 ...

Page 37: ... Separate the PCI DC and GND harnesses from the printer unit 1 screw The GND harness fits to the bottom case rib See 3 6 Special Notes on Servicing 7 Power supply unit and modular board replacement 33 76 ...

Page 38: ...4 Remove the speaker 2 screws 5 Remove the printer unit 6 screws While being cautious not to damage the arm that connects to the front door lift the printer unit 34 76 ...

Page 39: ...an be replaced Some of the ink absorbers are under the paper separation slope When the ink absorbers are replaced confirm that the replaced new absorbers fit in place securely and they do not lift After replacement of the ink absorbers reset the ink absorber counter value to zero in the service mode See 3 3 Adjustment and Settings in Service Mode for details 35 76 ...

Page 40: ... 4 Board removal 1 Remove the WLAN board card board main PCB modular board and main PCB chassis 13 screws The core fits to the rib of the harness guide 36 76 ...

Page 41: ...riage unlocking 2 Remove the PE sensor board 5 screws 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 37 76 ...

Page 42: ... 6 ASF unit removal 1 Remove 1 screw from the left plate and 2 screws from the right plate 38 76 ...

Page 43: ...o the main chassis 3 points for each screw the left right and center 2 Remove the timing slit film Be cautious to keep it free from any grease or damage 3 Using a pair of pliers etc release the left end of the pulley holder spring then remove the carriage belt Be cautious to keep it free from any grease 39 76 ...

Page 44: ...ain 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 40 76 ...

Page 45: ...sensor and the middle front cover from the front chassis 1 screw each 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 41 76 ...

Page 46: ...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 42 76 ...

Page 47: ...ate removal 1 Remove the carriage motor cable duplex printing paper feed roller cassette feed roller cassette feed guide paper guide unit and springs of the paper guide unit both sides See the Parts Catalog for details 2 Remove the pressure roller springs 4 springs 43 76 ...

Page 48: ...3 Remove 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 44 76 ...

Page 49: ...e protrusion of the right and left plates respectively 7 Install the platen unit and the spur unit 8 Connect the springs on each side of the spur holder to the switch system unit and the purge drive system unit respectively 9 Fix the pressure roller unit to the main chassis screw it to the right and left plates 10 Attach the carriage unit and the carriage rail to align with the marks on the main c...

Page 50: ... 11 Cable wiring and connection 1 Main PCB and spur unit 2 Switch system unit and PE sensor board 2 2 Disassembly Reassembly Procedures 46 76 ...

Page 51: ...l Notes on Servicing 2 Paper feed motor adjustment for details 5 min Automatic print head alignment To secure the dot placement accuracy At print head replacement At logic board replacement When print quality is not satisfying Perform automatic print head alignment in the user mode Recommended for the MX880 series 6 min Manual print head alignment To secure the dot placement accuracy At print head...

Page 52: ...n unit replacement At logic board replacement At LF EJ slit film replacement At timing slit film replacement Service Tool 1 1 In the LF EJECT Correction section click Print to print the LF EJ correction pattern 2 According to the printed pattern set the correction value in the LF EJECT Correction section 5 min Carriage rail position adjustment To set the carriage rail to the original position prio...

Page 53: ...e operation panel or from the printer driver Maintenance tab Set a sheet of Matte Photo Paper MP 101 A4 in the rear tray If the automatic print head alignment is not effective perform manual print head alignment Manual print head alignment Perform from the printer driver Maintenance tab Set 3 sheets of plain paper A4 or Letter in the cassette or the rear tray if selected Print head alignment value...

Page 54: ...anner connect the operation panel unit While holding the ON button press the Stop button 6 times and release the ON button Each time the Stop button is pressed the Alarm and Power LEDs light alternately Alarm in orange and Power in green iv When the Power LED lights in green the machine is ready for the service mode operation nothing is displayed on the LCD 2 Start the Service Tool on the connecte...

Page 55: ... 2 Service Tool functions Service Tool screen Version 2 000 51 76 ...

Page 56: ...52 76 ...

Page 57: ...per will feed from the rear tray if the cassette is selected the error is displayed Multiple inspection items are printed just in one page thus it is recommended to use this function for the standard inspection Printed items Model name ROM version USB serial number Nozzle check pattern same as the one in the user mode Process inspection information Barcode machine serial number Ink system function...

Page 58: ...n LF Eject correction pattern print Perform LF Eject correction only when streaks or uneven printing occurs after the repair See 3 LF Eject correction below 15 LF EJECT Correction LF Eject correction value settings Set the correction value based on the printed pattern 14 LF EJECT correction pattern print See 3 LF Eject correction below 16 Auto LF EJ 1 Automatic LF Eject correction Not used 17 Auto...

Page 59: ...nished is displayed on the screen 3 In the printout determine the 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 Select and set the correction values 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 E...

Page 60: ...to 16 white segments by the red lines 1 2 Press the Black button The buttons that are valid in the copy mode appear on the panel and the segments on the LCD corresponding to those buttons turn white while the other areas turn black 1 3 Press the Black button again The buttons that are valid in the FAX mode appear on the panel and the segments on the LCD corresponding to those buttons turn white wh...

Page 61: ...idered to be pressed and the other buttons are ignored 3 Scroll Wheel check 3 1 Press the Black button The color pattern is displayed on the LCD 3 2 Visually confirm that the patterns are displayed properly 3 3 Press the ON button The machine returns to be ready for another function in the service mode 1 ON 2 Stop 3 COPY 4 FAX 5 SCAN 6 CARD 7 Setup 8 Black 9 Color 10 Redial Pause 11 Coded Dial 12 ...

Page 62: ... 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 that the value is properly set to ...

Page 63: ...o 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 in servicing N...

Page 64: ...on to save the setting value 6 Press the ON button 2 NUMERIC PARAM 1 In the 2 NUMERIC PARAM menu the following screen is displayed 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 The SW numbers used in servicing SW 01 02 04 to 09 16 to 24 26 27 30 31 41 42 The SW numbers not u...

Page 65: ... In the user mode press the SCAN button then press 9 7 6 8 2 The PTT parameter mode values are printed 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 PTT parameter print sample for the MX883 Japan model 61 76 ...

Page 66: ...es 1 Floil KG107A 230 to 290 2 Carriage rail The surface where the carriage unit slides 2 Floil KG107A 180 to 220 3 Carriage rail The surface where the carriage unit slides 3 Floil KG107A 180 to 220 4 Main chassis The surface where the carriage unit slides 4 Floil KG107A 230 to 290 5 APP code wheel gear shaft APP code wheel gear sliding portion the entire surface 5 Floil KG107A 9 to 18 1 x 1 62 76...

Page 67: ...63 76 ...

Page 68: ... check pattern is not printed properly the print head may be faulty Perform troubleshooting while referring to the Print Head Workshop Manual or the Print Head Service Manual 1 4 Troubleshooting 2 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...

Page 69: ... on the back of the document pressure sheet With the long side down 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 frame 3 Open the plate to conf...

Page 70: ... and check the D ink absorber counter and DF ink absorber life values Step 1 Is D 80 or more Yes 80 or more Replace the ink absorber No less than 80 Proceed to Step 2 Step 2 Is DF 24 or more No less than 24 months Replace the ink absorber Yes 24 months or more No need to replace the ink absorber Note If the ST installation date value is 2010 06 30 or earlier the DF ink absorber life value may not ...

Page 71: ... are of the MX870 as an example 8 Rating label on the bottom case except China When the bottom case is replaced be sure to remove the rating label from the original bottom case and attach it to the replaced new one The rating label is given to each printer unit respectively thus the label of one unit is valid only for that unit For this reason the label is not available as a service part Note that...

Page 72: ... reason the label is not available as a service part 10 Speed Dial Utility Speed Dial Utility allows users to back up or edit the registered user data coded speed dials group dials phone books etc on a computer Since those user data is considered as private information and requires a careful handling we ask users to use this utility The dialog box below is for the MX870 as an example 3 4 Adjustmen...

Page 73: ...e sheet or scanner unit replacement Communication with a connected PC Check point Via USB connection to the PC printing from the PC 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 wireless LA...

Page 74: ...4 2 Integrated Inspection Pattern Print Print sample ...

Page 75: ...4 3 Ink Absorber Counter Value Print Print sample 4 VERIFICATION AFTER REPAIR ...

Page 76: ...1 min Print head deep cleaning When print quality is not satisfying and not improved by print head cleaning To improve nozzle conditions PC printer driver 2 min Ink tank replacement When an ink tank becomes empty No ink error displayed on the monitor or on the machine LCD or short flashing of an ink tank LED To replace the empty ink tank 1 min Paper feed roller cleaning When paper does not feed pr...

Page 77: ...PP encoder Controls purging operation and paper feeding from the rear tray or from the cassette APP sensor error APP position error 8 LF encoder sensor Detects the amount of rotation of the LF encoder LF position error Uneven printing 9 Eject encoder sensor Detects rotation of the eject encoder and controls paper feeding LF position error Uneven printing 10 Temperature Ink amount sensor Detects th...

Page 78: ......

Page 79: ...n On the inner guide over the upper portion of the spur holder visible when the scanning unit cover is opened Note The photos are of the MX870 as an example When the machine power is OFF When the machine power is ON 5 APPENDIX ...

Page 80: ...ked in place See Caution 2 below 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 MX880 series 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 ...

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