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CD705 (bizhub C759/C659)

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Trouble typeCD705: Mechanical controller sub-CPU flash ROM device error
RankC
Trouble detection conditionAn erase error or other device fault occurs during mechanical controller sub-CPU flash ROM writing.
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. (Part# A8JEH02002)

L.3.18.32 (Link to the Field Service Manual)

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