C5603 (bizhub 368/308)

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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 CN10E for proper connection and correct as necessary.
  4. Replace FRB. (Part# A9HJH00501)
  5. Replace the PH unit. (Part# A9HJR70000)
  6. MFPB ICP8E conduction check
  7. Replace MFPB. (Part# A9HJH02102)

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

K.3.16.7 (Link to the Field Service Manual)