• Code: C3922
• Description: Fusing sensor wire breaks detection (Edge of the heating roller)
  • At the warm-up stage, the heating roller thermistor/2 voltage does not decrease by predetermined steps (temperature rise) within a predetermined period of time.
• Remedy: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, IHPU, PRCB and REDB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change IHPU. 6 Change PRCB. 7 Change REDB.

• Code: C3923
• Description: Fusing sensor wire breaks detection (pressurizing side)
  • At the warm-up stage, the fusing pressure roller thermistor voltage does not decrease by predetermined steps (temperature rise) within a predetermined period of time.
• Remedy: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, IHPU, PRCB and DCPU for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change IHPU. 6 Change PRCB. 7 Change DCPU.

• Code: C3924
• Description: Fusing sensor wire breaks detection (soaking side)
  • At the warm-up stage, the soaking roller thermistor/1 voltage does not decrease by predetermined steps (temperature rise) within a predetermined period of time
• Remedy: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, IHPU, PRCB and DCPU for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change IHPU. 6 Change PRCB. 7 Change DCPU.

• Code: C3925
• Description: Fusing sensor wire breaks detection (NC sensor)
  • At the warm-up stage, the NC sensor voltage does not increase by predetermined steps (temperature rise) within a predetermined period of time.
• Remedy: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, IHPU, PRCB and REDB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change IHPU. 6 Change PRCB. 7 Change REDB.

• Code: C3B02
• Description: IH malfunction (CPU)
  • A failure in communication with the fusing CPU continues for a predetermined period of time.
• Remedy: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, degaussing coil unit, IHPU, PRCB and REDB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change degaussing coil unit. 6 Change IHPU. 7 Change PRCB. 8 Change REDB.

• Code: C3B03
• Description: IH malfunction (monitor)
  • Though the IH heater is ON, this status cannot be detected mechanically. (IH heater operation failure) • Though the IH heater is OFF, mechanically, the ON status is detected. (Malfunction of IH heater operation)
• Remedy: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, degaussing coil unit, IHPU, PRCB and REDB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change degaussing coil unit. 6 Change IHPU. 7 Change PRCB. 8 Change REDB.

• Code: C3B04
• Description: IH malfunction
  • Malfunction occurs in the fusing CPU
• Remedy: 1 Check the fusing unit for correct installation (whether it is secured in position). 2 Check the open/close operation of the upper right door. 3 Check the fusing unit, degaussing coil unit, IHPU, PRCB and REDB for proper connection and correct or change as necessary. 4 Change fusing unit. 5 Change degaussing coil unit. 6 Change IHPU. 7 Change PRCB. 8 Change REDB.

• Code: C4101
• Description: Polygon motor rotation trouble
  • The polygon motor fails to turn stably even after the lapse of a given period of time after activating the polygon motor. • Motor lock signal detects HIGH for a given period time consecutively during the polygon motor is rotating.
• Remedy: 1 Check the connector for proper connection and correct as necessary. 2 Change PH unit. 3 Change REYB/PH. 4 Change PRCB.