Brother DCP7065DN Printer Repair

Code: 0F

  • Description:The back cover is open upon duplex-printing. (The back cover sensor is OFF)
  • Causes:1 Harness connection failure of paper eject sensor PCB ASSY. 2 The member part to press the back cover sensor which is located at the inner side of the back cover is broken. 3 The member part to press the back cover sensor which is located at the duplex tray is broken. 4 Back cover sensor failure. 5 Main PCB failure
  • Remedy:1 Harness connection failure of paper eject sensor PCB ASSY Check the harness connection of the paper eject sensor PCB ASSY and reconnect it. 2 The member part to press the back cover sensor which is located at the inner side of the back cover is broken. Replace the back cover. 3 The member part to press the back cover sensor which is located at the duplex tray is broken. Replace the duplex tray. 4 Back cover sensor failure Replace the paper eject sensor PCB ASSY. 5 Main PCB failure Replace the main PCB ASSY.

Code: 1E

  • Description:The drum unit will reach the end of life soon.
  • Causes:1 Main PCB failure
  • Remedy:Replace the main PCB ASSY.

Code: 24

  • Description:Internal temperature sensor error.
  • Causes:
  • Remedy:1 Harness connection failure of internal temperature sensor Check the harness connection of internal temperature sensor and reconnect it. 2 Internal temperature sensor failure Replace the internal temperature sensor. 3 Main PCB failure Replace the main PCB ASSY.

Code: 36

  • Description:Error in the high voltage power suply PCB while the machine is in the standby mode.
  • Causes:
  • Remedy:1 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY. 2 Harness connection failure of high voltage power supply PCB Check the harness connection of the high voltage power supply PCB and reconnect it. 3 Main PCB failure Replace the main PCB ASSY.

Code: 3B

  • Description:Main PCB DRAM access error.
  • Causes:1 Main PCB failure
  • Remedy:

Code: 44

  • Description:The toner cartridge is not installed.
  • Causes:
  • Remedy:1 Dirt on the electrode of the drum unit and on the machine Clean the dirt on the contact points of the both electrodes. 2 Harness connection failure of high voltage power supply PCB Check the harness connection of the high voltage power supply PCB and reconnect it. 3 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY. 4 Main PCB failure Replace the main PCB ASSY.

Code: 50

  • Description:Drum unit is at the end of life. (Continue printing)
  • Causes:1 Main PCB failure
  • Remedy:Replace the main PCB ASSY.

Code: 56

  • Description:The fuser cover is open.
  • Causes:• Close the fuser cover properly.
  • Remedy:1 Paper eject actuator catching on some position Correct the position of the paper eject actuator. 2 Paper eject sensor PCB failure Check the sensor performance following the procedure described in “Function code 32”. If any problem occurs, replace the paper eject sensor PCB ASSY. 3 Main PCB failure Replace the main PCB ASSY.

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