CDF51 (bizhub C650i/C550i/C450i)

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Trouble typeCDF51: ASIC image version failure (back side)C
RankC
Trouble detection conditionCommunication error is detected between the CPU board (CPUB) and the CIS module (CIS).
Trouble isolation–
Relevant electrical parts-CIS module (CIS)
-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Check the connector between CIS CN2-BASEB CN5 for proper connection and correct as necessary.
  2. Check CPUB for proper installation and correct as necessary.
  3. Rewrite the firmware.
  4. Replace CIS. (Part# AAMPR70100)
  5. Replace CPUB. (C650i Part# AA7NH02P03 / C550i Part# AA7PH02P01 / C450i Part# AA7RH02P02)
  6. Replace BASEB. (Part# AA7NH02102)

L.3.19.34 (Link to the Field Service Manual)