CDFA0 (bizhub C4050i/C3350i)

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Trouble typeCDFA0: ASIC image error
RankC
Trouble detection conditionCommunication error is detected between the CPU board (CPUB) and the CIS module (IR CIS).
Trouble isolation–
Relevant electrical parts• CIS module (IR CIS) 
• CPU board (CPUB) 
• Base board (BASEB)

Procedure

  1. Check CPUB for proper installation and correct as necessary.
  2. Rewrite the firmware.
  3. Replace IR CIS.IR CIS (Part# AAJNR71200)
  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.3.17.29. (Link to the Field Service Manual)