C3425 (bizhub 558/458)

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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 unit
• bizhub 558: Heating roller temperature sensor 1 (TEMS/1)
• bizhub 458: Heating roller temperature sensor (TEMS)
• 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 558 Part# A9E8030 / bizhub 458 Part# A79MR70200)
  5. Replace MFPB. (558 Part# A9HGH02102 / 458 Part# A9HHH02102)
  6. Replace DCPU. (Part# A9HGR70100)

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

K.3.13.5 (Link to the Field Service Manual)