• Code: C3201
• Description: Fusing motor failure to turn
  • The motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Causes: Fusing motor (M30) Printer control board (PRCB)
• Remedy: 1 Check the M30 connector for proper connection and correct as necessary. - - 2 Check the loading status of the fusing unit drive, and correct the error as necessary. - - 3 Check the fusing unit, PRCB for proper connection and correct or change as necessary. - - 4 M30 operation check PRCB CN9-3 (REM) PRCB CN9-6 (LOCK) K-8 5 Change M30 - - 6 PRCB ICP16 conduction check - - 7 Change PRCB

• Code: C3202
• Description: Fusing motor turning at abnormal timing
  • The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary.
• Causes: Fusing motor (M30) Printer control board (PRCB)
• Remedy: 1 Check the M30 connector for proper connection and correct as necessary. - - 2 Check the loading status of the fusing unit drive, and correct the error as necessary. - - 3 Check the fusing unit, PRCB for proper connection and correct or change as necessary. - - 4 M30 operation check PRCB CN9-3 (REM) PRCB CN9-6 (LOCK) K-8 5 Change M30 - - 6 PRCB ICP16 conduction check - - 7 Change PRCB

• Code: C3303
• Description: Fusing cooling fan motor/ 1 failure to turn
  • The fan motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Causes: Fusing cooling fan motor/1 (FM2) Printer control board (PRCB)
• Remedy: 1 Check the FM2 connector for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM2 operation check PRCB CN11-1 (REM) PRCB CN11-3 (LOCK) K-7 4 Change FM2 - - 5 PRCB ICP9 conduction check - - 6 Change PRCB

• Code: C3304
• Description: Fusing cooling fan motor/ 2 failure to turn
  • The fan motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Causes: Fusing cooling fan motor/2 (FM4) Paper feed/transport drive board (PFTDB)
• Remedy: 1 Check the FM4 connector for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM4 operation check PFTDB CN5-6 (REM) PFTDB CN5-8 (LOCK) Q-6 4 Change FM4 - - 5 PFTDB ICP2 conduction check - - 6 Change PFTDB

• Code: C3305
• Description: Fusing cooling fan motor/ 3 failure to turn
  • The fan motor lock signal remains HIGH for a predetermined continuous period of time while the motor remains stationary.
• Causes: Fusing cooling fan motor/3 (FM5) Paper feed/transport drive board (PFTDB)
• Remedy: 1 Check the FM5 connector for proper connection and correct as necessary. - - 2 Check the fan for possible overload and correct as necessary. - - 3 FM5 operation check PFTDB CN5-9 (REM) PFTDB CN5-11 (LOCK) Q-6 4 Change FM5 - - 5 PFTDB ICP2 conduction check - - 6 Change PFTDB

• Code: C3424
• Description: Fusing heaters trouble (soaking side)
  • After warm-up operation starts, the soaking roller thermistor does not detect a temperature as high as a predetermined one though a predetermined period of time has elapsed.
• Causes: Fusing unit IH power supply (IHPU) DC power supply (DCPU) Printer control board (PRCB)
• 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, MFPB 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: C3425
• Description: Fusing heaters trouble (NC sensor)
  • After warm-up operation starts, the heating roller temperature sensor/1 does not detect a temperature as high as a predetermined one though a predetermined period of time has elapsed.
• Causes: Fusing unit Heating roller temperature sensor/1 (TEMS1) IH power supply (IHPU) Relay drive board (REDB) Printer control board (PRCB)
• 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, MFPB and REDB for proper connection and correct or change as necessary. - - 4 Change TEMS1 - - 5 Change fusing unit - - 6 Change IHPU - - 7 PRCB ICP17 conduction check - - 8 Change PRCB - - 9 Change REDB

• Code: C3721
• Description: Fusing abnormally high temperature detection (Center of the heating roller)
  • The heating roller temperature sensor/2 continues to detect a temperature higher than a predetermined one for a predetermined period of time. • The signal is turned ON to activate the hard ratchet in the middle of the heating side.
• Causes: Fusing unit Heating roller temperature sensor/1 (TEMS1) Heating roller temperature sensor/2 (TEMS2) Heating roller temperature sensor/3 (TEMS3) IH power supply (IHPU) Relay drive board (REDB) Printer control board (PRCB)
• 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, MFPB and REDB for proper connection and correct or change as necessary. - - 4 Change TEMS1, TEMS2 or TEMS3 - - 5 Change fusing unit - - 6 Change IHPU - - 7 Change PRCB - - 8 Change REDB