C3B07 (bizhub 658e/558e)

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Trouble typeC3B07: IH input power error (bizhub 658e/558e)
RankA
Trouble detection condition• While the IH heater was ON, input power stayed at the high voltage power detection value or over for more than the predetermined period of time.
• While the IH heater was ON, input power was at the low power detection value or under for more than the predetermined period of time.
• While the IH heater was ON, input power was at the high voltage detection value or over for more than the predetermined period of time.
• While the IH heater was ON, input power was below the low voltage detection value or under for more than the predetermined period of time.
• While the IH heater was ON, inverter power stayed at the upper limit value or over for more than the predetermined period of time.
• While the IH heater was ON, output voltage halt was detected.
Trouble isolation–
Relevant electrical parts• Fusing unitIH coil (IHC)
• IH power supply (IHPU)
• NF board (NFB)
• MFP board (MFPB)

 Procedure

  1. Check the fusing unit for correct installation (whether it is secured in position).
  2. Check the fusing unit-MFPB CN22E for proper connection and correct or change as necessary.
  3. Check the connector between NFB CN2-IHPU CN1 for proper connection and correct as necessary.
  4. Check the connector between IHPU CN8-MFPB CN3E for proper connection and correct as necessary.
  5. Replace IHC. (Part# A79JM40C00)
  6. Replace IHPU. (Part# A8KNM40A02)
  7. Replace NFB. (Part# A795M40J00)
  8. Replace MFPB. (Part# AA6RH02103)

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

L.3.12.13 (Link to the Field Service Manual)