Brother DCP9040CN Printer Repair

Code: 20

  • Description:Laser diode failure (K)
  • Causes:1 Laser unit harness connection failure. 2 Laser unit failure. 3 Engine PCB failure
  • Remedy:1 Laser unit harness connection failure Check the two harness connections of the laser unit and reconnect them. 2 Laser unit failure Replace the laser unit. 3 Engine PCB failure Replace the engine PCB ASSY.

Code: 21

  • Description:Laser diode failure (Y)
  • Causes:1 Laser unit harness connection failure. 2 Laser unit failure. 3 Engine PCB failure
  • Remedy:1 Laser unit harness connection failure Check the two harness connections of the laser unit and reconnect them. 2 Laser unit failure Replace the laser unit. 3 Engine PCB failure Replace the engine PCB ASSY.

Code: 22

  • Description:Laser diode failure (M)
  • Causes:1 Laser unit harness connection failure. 2 Laser unit failure. 3 Engine PCB failure
  • Remedy:1 Laser unit harness connection failure Check the two harness connections of the laser unit and reconnect them. 2 Laser unit failure Replace the laser unit. 3 Engine PCB failure Replace the engine PCB ASSY.

Code: 23

  • Description:Laser diode failure (C)
  • Causes:1 Laser unit harness connection failure. 2 Laser unit failure. 3 Engine PCB failure
  • Remedy:1 Laser unit harness connection failure Check the two harness connections of the laser unit and reconnect them. 2 Laser unit failure Replace the laser unit. 3 Engine PCB failure Replace the engine PCB ASSY.
 Code: 25
  • Description:Develop drive motor failure
  • Causes:1 Motor harness connection failure. 2 Motor failure. 3 Engine PCB failure. 4 Low-voltage power supply PCB failure.
  • Remedy:1 Motor harness connection failure Check the harness connection of the appropriate motor and reconnect it. 2 Motor failure Replace the appropriate motor. 3 Engine PCB failure Replace the engine PCB ASSY. 4 Low-voltage power supply PCB failure Replace the PS PCB unit.

Code: 26

  • Description:Belt drive motor failure
  • Causes:1 Motor harness connection failure. 2 Motor failure. 3 Engine PCB failure. 4 Low-voltage power supply PCB failure.
  • Remedy:1 Motor harness connection failure Check the harness connection of the appropriate motor and reconnect it. 2 Motor failure Replace the appropriate motor. 3 Engine PCB failure Replace the engine PCB ASSY. 4 Low-voltage power supply PCB failure Replace the PS PCB unit.

Code: 27

  • Description:Paper feed/belt cleaner motor failure
  • Causes:1 Motor harness connection failure. 2 Motor failure. 3 Engine PCB failure. 4 Low-voltage power supply PCB failure.
  • Remedy:1 Motor harness connection failure Check the harness connection of the appropriate motor and reconnect it. 2 Motor failure Replace the appropriate motor. 3 Engine PCB failure Replace the engine PCB ASSY. 4 Low-voltage power supply PCB failure Replace the PS PCB unit.

Code: 28

  • Description:Drum drive motor 1 (K, Y) failure
  • Causes:1 Drum drive motor harness connection failure. 2 Drum phase sensor PCB failure. 3 Drum drive motor failure. 4 Engine PCB failure.
  • Remedy:1 Drum drive motor harness connection failure Check the harness connection of the drum drive motor and reconnect it. 2 Drum phase sensor PCB failure Replace the drum phase sensor PCB ASSY. 3 Drum drive motor failure Replace the drum drive motor. 4 Engine PCB failure Replace the engine PCB ASSY.

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Brother DCP9040CN Printer Repair