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C40A3 (bizhub C658/C558/C458/C368/C308/C258)

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Trouble typeC40A3: Mechanical controller PF transmission timeout
RankC
Trouble detection conditionA CPU communication error is detected.
Trouble isolation–
Relevant electrical partsMFP board (MFPB)

 Procedure

  1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord, and turn ON the main power switch.
  2. Rewrite the firmware.
  3. Replace MFPB. (bizhub C368/C308/C258 (Part# A7PUH02123)/ bizhub C658/C558/C458)(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.3.15.2 (Link to the Field Service Manual)

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