C9401 (bizhub 658e/558e/458e)

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Trouble typeC9401: Exposure LED lighting failure
RankB
Trouble detection conditionC9401: The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment.
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 CN6E for proper connection and correct as necessary.
  3. Check the connector between CCDB PJ3-MFPB CN1 for proper connection and correct as necessary.
  4. Replace the LED exposure unit. (Part# A7PUR71000)
  5. Replace CCDB. (Part# A795R71000 )
  6. Replace SCDB. (Part# A796H01A00 )
  7. Replace MFPB. (658e/558e)(Part# AA6RH02103 ) ( 458e )(Part # AA6UH02101 )

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.3.22.1.