C9702 (bizhub 4750i/4050i)

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Trouble typeC9702: Back side reading device cable break detection
RankA
Trouble detection conditionThe cable between the DF CIS module (DF CIS) and the base board (BASEB) is break.
Trouble isolationScanner
Relevant electrical parts-Flat cable
-DF CIS module (DF CIS)
-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Check the connector between DFCISRYB CN2-BASEB CN5 for proper connection and correct as necessary.
  2. Check CPUB for proper installation and correct as necessary.
  3. Replace the flat cable. (Part# A93EN11H00)
  4. Replace the DF CIS module assy. (Part# A93EH00901)
  5. Replace CPUB. (Part# ACT9H01003)
  6. Replace BASEB.
    4750i (Part# ACT9H02013)
    4050i (Part# ACT9H02002)

(Link to the Field Service Manual)