Canon PIXMA MX340 Series Simplified Service Manual Download Page 1

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PIXMA
MX340 / MX350

SIMPLIFIED
SERVICE MANUAL

Canon

2010, Canon U.S.A. This technical publication is the proprietary and confidential information of Canon U.S.A. which

shall be retained for reference purposes by Authorized Service Facilities of Canon U.S.A. Its unauthorized use is prohibited.

Summary of Contents for PIXMA MX340 Series

Page 1: ...on Copyright 2010 Canon U S A This technical publication is the proprietary and confidential information of Canon U S A which shall be retained for reference purposes by Authorized Service Facilities of Canon U S A Its unauthorized use is prohibited ...

Page 2: ...l Errors by Cyclic Blinking of Alarm and Power Lamps 1 3 FAX Errors 2 MAJOR UNIT REPLACEMENT 3 ADJUSTMENT SETTINGS 3 1 Service Mode 3 2 PTT Parameter Mode 3 3 User Mode 3 4 Special Notes on Servicing 3 5 Grease application 3 6 Notes on Transportation 4 EXTERNAL VIEW PARTS LIST 4 1 External View QY8 13CS 000 Rev 00 Dec 2009 Canon Inc ...

Page 3: ...t tray is closed Open the paper output tray Open the paper output tray 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 PE PWB unit Logic board Ink cartridge not installed or not properly installed 1401 U051 Print head is not installed Install the print head Install the ink cartridge properly If the error is not...

Page 4: ...ed A non supported ink cartridge is installed Install the supported ink cartridge Ink cartridge Carriage unit Logic board The remaining ink amount unknown 1686 U162 Ink may have run out Replacing the ink cartridge is recommended Replace the applicable ink cartridge with a new one Printing without replacing the ink cartridge can damage the printer To continue printing without replacing the ink cart...

Page 5: ...ing can be performed unless the applicable ink absorber is replaced Ink absorber kit The connected digital camera or digital video camera does not support Camera Direct Printing 2001 Incompatible device detected Remove the device Remove the cable between the camera and the printer PictBridge harness Logic board Non supported hub 2002 An unsupported USB hub is connected Remove the hub Remove the ap...

Page 6: ...e LF drive remove foreign material 3 Cable connection 4 Part replacement LF encoder Logic board 5 times ASF cam sensor error 5700 An error occurred in the ASF cam sensor during paper feeding from the rear tray 1 Cable connection 2 Part replacement PE PWB unit Drive unit Logic board 6 times Internal temperature error 5400 The internal temperature is not normal 1 Cable connection 2 Part replacement ...

Page 7: ...ercurrent 9000 The USB VBUS is overloaded 1 Part replacement Logic board 20 times Other errors 6500 1 Part replacement Logic board 22 times Scanner error 5011 An error occurred in the scanner 1 Document pressure sheet condition 2 Cable connection 3 Part replacement Document pressure sheet Scanner unit Logic board Power LED turned off and Alarm LED lit ROM RAM error The check sum value is incorrect...

Page 8: ...f the connected machine Register the dial number CSI properly on the receiving machine 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 sending Memory transmission reservation cancelled During RX receiving Image data received in the memory cleared Service error codes ...

Page 9: ...CU board 237 RX The decoder control unit has malfunctioned NCU board 238 RX The print control unit has malfunctioned NCU board Logic board 261 TX RX A system error has occurred between the modem and the system control board NCU board Logic board 280 TX Re transmission of the procedure signal has been attempted the specified number of times but failed Try a higher transmission level 281 TX Re trans...

Page 10: ...al 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 752 TX After transmitting PPS NULL in ECM transmission DCN has been received Try a higher transmission level 753 TX After transmitting PPS NULL in ECM transmission re transmission of the procedure signal has been attempted the number of specif...

Page 11: ... signal has been attempted the number of specified times but failed Try a higher transmission level Increase the transmission level of the receiving machine 770 TX 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 Try a higher transmission level Increase the...

Page 12: ...ure 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 speci...

Page 13: ...k gear 7 ADF unit 8 Scanner unit Copying Carriage unit 40 1 Rear cover unit 2 ASF tray unit 3 Side covers L R 4 Bottom cover L 5 Damper cover unit 6 Damper rack gear 7 ADF unit 8 Scanner unit 9 Middle frame 10 NCU cover 11 PCB cover 12 Logic board NCU board 13 PE PWB unit 14 Chassis 15 Carriage unit Adjust the head to paper distance See 3 4 1 Carriage rail and main chassis adjustment Perform print...

Page 14: ... inspection pattern print or service test print Ink absorber partial replacement 13 1 Rear cover unit 2 NCU cover 3 PCB cover 4 Logic board 4 screws 5 Ink absorber Set the ink absorber counter value See 3 1 Ink absorber counter setting Unified inspection pattern print or service test print Timing slit film 30 1 Rear cover unit 2 ASF tray unit 3 Side covers L R 4 Bottom cover L 5 Damper cover unit ...

Page 15: ... While holding the ON button press the Stop button 6 times and then release both the ON and Stop buttons 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 printer is ready for the service mode operation The LCD turns in black and nothing is displayed 2 Start the Service Tool on the connected ...

Page 16: ...int The unified inspection pattern for reduction of time required for the inspection is printed 5 EEPROM EEPROM information saving When no printing can be performed due to a problem the EEPROM information is displayed on the computer or is saved to the computer as a text file 6 n a Not used 7 LF Eject LF Eject correction pattern print Not used 8 Left Margin Left margin pattern print Not used 9 Aut...

Page 17: ...tination settings Select the destination and click Set ASA AUS BRA CHN CND EUR JPN KOR LTN TWN USA 16 n a Not used 17 LF EJECT Correction LF Eject correction value setting Not used 18 Left Margin Correction Left margin correction value setting Not used 19 Ink Absorber Counter Ink absorber counter setting See Ink absorber counter setting below 20 Wetting Liquid Counter Wetting liquid counter settin...

Page 18: ...utton 18 3 9 Back button 19 4 10 Menu button 20 5 3 Press the ON button The printer returns to be ready for selection of another function MX350 1 Click Panel Check of the Service Tool on the connected computer The LCD turns blue waiting for a button to be pressed 2 Press each button of the operation panel The LCD is divided into segments representing each button The color of a segment correspondin...

Page 19: ...w 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 section of the Service Tool select Main from the Absorber pull down menu 3 From the Counter Value pull down menu select the value in 10 increments which is the closest to the actual counter value confirmed bef...

Page 20: ...to write the saved data to the EEPROM and turn off the printer 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 PTT PARAMETER 1 BIT SWITCH BIT SWITCH menu 3 Each time the right or left cursor key is pressed the menu is changed PTT PARAMETER 2 NUMERIC PARAM NUMERIC PARAM menu PTT...

Page 21: ...NUMERIC PARAM 01 00000 2 Each time 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 used in servicing as of December 2009 SW 03 10 to 15 25 28 29 32 to 40 43 to 60 3 Enter a desired setting value using the right or left curso...

Page 22: ... 21 37 PTT parameter print sample for the MX350 US model ...

Page 23: ...er operation panel Set a sheet of plain paper A4 or Letter in the rear tray Manual print head alignment Perform from the printer driver Maintenance tab Set 3 sheets of plain paper A4 or Letter in the rear tray Print head alignment value printing Perform via the printer operation panel or from the printer driver Maintenance tab Confirmation of the current print head alignment values Paper feed roll...

Page 24: ...llowing procedures How to adjust the head to paper distance 1 Mark the current position of the screws at the both ends of the chassis See the step 1 of the carriage rail adjustment above 2 Loosen the 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 To improve the print quality lower the carriage rail ...

Page 25: ... absorber Time required Approx 13 min including the operation check after replacement How to perform the partial replacement i Pull out the Rear Cover Unit and remove 5 connectors from the Logic Board Ass y the DCD board connector 2 screws 1 flexible cable and 1 screw from the Side Cover R For your reference see the red circles in the following photos below ii Lifting the Logic Board Ass y pull ou...

Page 26: ...tion print Sample DF 00165 It indicates that there will be 165 months before the ink absorber becomes full Note 1 In the following cases estimation of the ink absorber life will not be properly given The printer is not connected to a computer The time is not properly set in the computer The ink absorber counter has been reset to zero before Reason The ink absorber life is calculated using data of ...

Page 27: ...d indicated by the red arrows in the photo below lift the scanner unit on one side then the other 5 PCB connector layout and flexible cable wiring Without cables When connected with cables CR Scan Motor Panel 2 MX350 series only Scanner Panel 1 LF Encoder NCU Board Card MX350 series only ASF PE Sensor WLAN LF Motor CR Motor ...

Page 28: ... ink cartridge locking covers A in the photo below and the inside of the tray B in the photo below A B 7 Speed Dial Utility Speed Dial Utility allows users to back up or edit the registered user data coded speed dials group dials 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 ...

Page 29: ...ing and ejection from the rear tray No paper in the rear tray Paper jam in the rear tray Cover open sensor Detects opening and closing of the document cover The carriage does not move to the center LF encoder sensor Detects the number of times the LF encoder rotates and controls its drive Uneven printing Carriage encoder sensor Detects the position of the timing slit film and controls printing Une...

Page 30: ... 29 37 3 5 Grease application ...

Page 31: ...ecurely lock the carriage in the home position When the printer 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 Apply grease from this side EJECT TRAY BACK FD LINK A MOLYKOTE PG 641 Over the entire surface where the cam slides 9 to 18 mg MOLYKOTE P...

Page 32: ... 31 37 4 EXTERNAL VIEW PARTS LIST 4 1 External View Fig 1 ...

Page 33: ... 32 37 Fig 2 1 For the MX340 MX347 MX348 only 2 For the MX350 MX357 MX358 only ...

Page 34: ... 33 37 Fig 3 ...

Page 35: ... 34 37 Fig 4 2 For the MX350 only 3 Ink absorbers to be replaced in the partial replacement ...

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