CD701 (bizhub C4050i/C3350i)

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Trouble typeCD701: Mechanical controller flash ROM writing error
RankC
Trouble detection conditionCD701: A mechanical controller flash ROM writing sequence is interrupted in its mid-operation due to, for example, power being shut off.
Trouble isolation–
Relevant electrical parts• CPU board (CPUB)
• Base board (BASEB)

Procedure

  1. Turn OFF the main power switch and unplug the power cord. Connect the power cord after 15 sec. or more, and turn ON the main power switch.
  2. Check CPUB for proper installation and correct as necessary.
  3. Rewrite the firmware.
  4. Replace CPUB.CPUB (Part# A93EH01004)
  5. Replace BASEB.BASEB (Part# A93EH02007)

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

L.3.17.27. (Link to the Field Service Manual)