C3425 (bizhub 658e/558e/458e)

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Trouble typeC3425: Fusing warm-up trouble
RankA
Trouble detection condition• Detected temperature of the heating roller temperature sensor/1 (TEMS/1) or heating roller temperature sensor (TEMS) does not go up a given range of temperature even after a lapse of given period of time at warm up.
• The temperature detected by the heating roller temperature sensor/1 (TEMS/1) or heating roller temperature sensor (TEMS) does not shift from the pre-standby state or the post-print printing-enable wait state even after the lapse of a predetermined period of time after the completion of warm-up.
Trouble isolation–
Relevant electrical parts• Fusing unitHeating roller temperature sensor/1 (TEMS/1) (bizhub 658e/558e)
• Heating roller temperature sensor (TEMS) (bizhub 458e)
• DC power supply (DCPU)
• MFP board (MFPB)

 Procedure

  1. Check the fusing unit for correct installation (whether it is secured in position).
  2. Check the open/close operation of the right door.
  3. Check the fusing unit, DCPU, and MFPB for proper connection and correct or change as necessary.
  4. Replace the fusing unit. (bizhub 658e/558e Part# A79JR71077 / bizhub 458e Part# AA6UR70400)
  5. Replace DCPU. (Part# AA6RR70400)
  6. Replace MFPB. (658e/558e Part# AA6RH02103 / 458e Part# AA6UH02101)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

L.3.12.5 (Link to the Field Service Manual)