CC15C (bizhub 650i/550i/450i)

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Trouble typeCC15C: Engine Flash ROM writing error
RankC
Trouble detection conditionData of flash ROM of the engine is determined to be faulty.
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.
    650i/550i (Part# AC74H02P03)
    450i (Part# AC76H02P02)
  5. Replace BASEB. (Part# AC74H02101)

(Link to the Field Service Manual)