CDF71 (bizhub C368/C308/C258)

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Trouble typeCDF71: ASIC image access failure (back side) (When DF-704 is installed)
RankC
Trouble detection conditionCommunication error is detected between the MFP board (MFPB) and the dual scan image processing board (DSIPB).
Trouble isolation–
Relevant electrical parts• MFP board (MFPB) 
• Dual scan image processing board (DSIPB; DF-704)

 Procedure

  1. Check the connector between MFPB CN22-DSIPB CN01 for proper connection and correct as necessary.
  2. Rewrite the firmware.
  3. Replace DSIPB. (Part# A7PUH02123)
  4. Replace MFPB. (Part# A7PUH02123)

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

K.3.24.44 (Link to the Field Service Manual)