C9402 (bizhub 368e/308e)

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Trouble type
C9402: Exposure LED lighting abnormally
RankB
Trouble detection condition C9402: The average output value of the CCD sensor with the scanner at its standby position is a predetermined value or more at the end of a scan job.
Trouble isolationScanner
Relevant electrical parts• LED exposure unit
• Flat cable (LED exposure unit)
• CCD board (CCDB)
• Scanner drive board (SCDB)
• MFP board (MFPB)

 Procedure

  1. Correct the harness connection between SCDB CN3-LU201 if faulty.
  2. Check the connector between SCDB CN2-MFPB CN12E for proper connection and correct as necessary.
  3. Check the connector between CCDB CN3-MFPB CN1 for proper connection and correct as necessary.
  4. Replace the LED exposure unit. (Part# A7PUR71000)
  5. Replace CCDB. (Part# A7PUR75200 )
  6. Replace SCDB.  ( Part # A7PUH01D00)
  7. Replace MFPB (Part # AA6VH02101 )

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

(Link to the Field Service Manual) L.3.21.1.