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C5603 (bizhub 658e/558e/458e)

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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# A9HJH00501)
  5. Replace the PH unit. (Part# AA6RR70300)
  6. MFPB F10E conduction check
  7. 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.3.16.12 (Link to the Field Service Manual)

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