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C5603 (bizhub C658/C558/C458)

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Trouble typeC5603: Front side board communication error
RankC
Trouble detection conditionCommunication error is detected in front side board.
Trouble isolation–
Relevant electrical parts• Front side board (FRB)
• PH unit
• MFP board (MFPB)

 Procedure

  1. Reboot the machine.
  2. Check the connector between FRB CN5-PH unit for proper connection and correct as necessary.
  3. Check the connector between FRB CN2-MFPB CN8E for proper connection and correct as necessary.
  4. Replace FRB. (Part# A7PUH00500)
  5. Replace the PH unit. (bizhub C658/C558 Part# A79JR70400 / bizhub C458 part# A79MR70000)
  6. MFPB F10E conduction check
  7. Replace MFPB. (C458 Part# A79MH02102 / C558 or C658 Part # A79JH02102)

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

K.3.17.12 (Link to the Field Service Manual)

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