C3B03 (bizhub C658/C558/C458)

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Trouble typeC3B03: IH malfunction (monitor) (bizhub C658/C558)
RankA
Trouble detection conditionThough the IH heater is OFF, mechanically, the ON status is detected. (Malfunction of IH heater operation)
Trouble isolation–
Relevant electrical parts• Fusing unit 
• IH coil (IHC) 
• IH power supply (IHPU) 
• IH magnetic erasing board (IHMEB) 
• NF board (NFB) 
• 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-MFPB CN22E for proper connection and correct or change as necessary.
  4. Check the connector between MFPB CN13E-NFB CN3 for proper connection and correct as necessary.
  5. Check the connector between NFB CN2-IHPU CN1 for proper connection and correct as necessary.
  6. Check the connector between IHPU-IHC for proper connection and correct as necessary.
  7. Check the connector between IHC-IHMEB for proper connection and correct as necessary.
  8. Replace the fusing unit. ((bizhub C658/C558) Part# A79JR71066 (bizhub C458) Part# A79MR70222)
  9. Replace IHC. (Part# A79JM40C00)
  10. Replace IHPU. (Part# A8KNM40A02)
  11. Replace IHMEB. (Part# A796H00W00)
  12. Replace MFPB. (C458 Part# A79MH02102 / C558 or C658 Part # A79JH02102)
  13. Replace NFB. (Part# A795M40J00)

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

K.3.14.12 (Link to the Field Service Manual)