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Konica-Minolta bizhub 4750

Error Codes List page 3

  • Code: 0204-325.62
  • Description: Tray 2 feeder up/down abnormality
    Hardware error - Product ID unknown
  • Causes: • PF control board (PFCB) • Controller board (CTLB)
  • Remedy: 1 Check all connections to PFCB. Reseat the cables if any abnormality is found. 2 Check printer’s firmware level. Rewrite the firmware if any abnormality is found. 3 Replace the tray 2. 4 Replace CTLB.
  • Code: 0204-325.63
  • Description: Tray 2 feeder up/down abnormality
    Hardware error - Sensors are not plugged on the board
  • Causes: • PF control board (PFCB) • Controller board (CTLB)
  • Remedy: 1 Check all connections to PFCB. Reseat the cables if any abnormality is found. 2 Check printer’s firmware level. Rewrite the firmware if any abnormality is found. 3 Replace the tray 2. 4 Replace CTLB.
  • Code: 0206-331.51
  • Description: Tray 3 lift-up failure
    ACM motor no first encoder
  • Causes: • ACM motor • PF control board (PFCB)
  • Remedy: 1 Remove the option tray insert. 2 Check the lift plate and gears for proper operation by moving the metal plate. Replace the tray 3 if any abnormality is found. 3 Check the ACM motor for the following: • Gear tooth breakage • Freedom of rotation Replace the tray 3 if any abnormality is found. 4 Check the cable J11 on PFCB. Replace the tray 3 if any abnormality is found.
  • Code: 0206-331.52
  • Description: Tray 3 lift-up failure
    ACM motor stop error
  • Causes: • ACM motor • PF control board (PFCB)
  • Remedy: 1 Remove the option tray insert. 2 Check the lift plate and gears for proper operation by moving the metal plate. Replace the tray 3 if any abnormality is found. 3 Check the ACM motor for the following: • Gear tooth breakage • Freedom of rotation Replace the tray 3 if any abnormality is found. 4 Check the cable J11 on PFCB. Replace the tray 3 if any abnormality is found.
  • Code: 0206-331.53
  • Description: Tray 3 lift-up failure
    ACM motor PWM underflow (motor overspeed)
  • Causes: • ACM motor • PF control board (PFCB)
  • Remedy: 1 Remove the option tray insert. 2 Check the lift plate and gears for proper operation by moving the metal plate. Replace the tray 3 if any abnormality is found. 3 Check the ACM motor for the following: • Gear tooth breakage • Freedom of rotation Replace the tray 3 if any abnormality is found. 4 Check the cable J11 on PFCB. Replace the tray 3 if any abnormality is found.
  • Code: 0206-332.54
  • Description: Tray 3 lift-up failure
    Separator/Pass-through motor - Motor no first encoder
  • Causes: • PF control board (PFCB) • Separator roll assembly
  • Remedy: 1 Remove the option tray insert. 2 Check the separator roll assembly gear under the tray base for the following: • Gear tooth breakage • Freedom of rotation Replace the tray 3 if any abnormality is found. 3 Check the cable J10 on PFCB. Replace the tray 3 if any abnormality is found. 4 Check the separator roll assembly for wear or damage. Replace the separator roll assembly if any abnormality is found.
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