C9404 (bizhub 658e/558e/458e)

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Trouble typeC9404: CIS LED lighting abnormally
RankB
Trouble detection conditionC9404: After a scan job is completed, the machine detected that the average output of the CIS LED is greater than the specified value.
Trouble isolationScanner
Relevant electrical parts• CIS module (CIS)
• DF power supply (DFPU)
• Dual scan image processing board (DSIPB)
• MFP board (MFPB)

 Procedure

  1. Correct the harness connection between CIS J101-DSIPB CN2 if faulty.
  2. Correct the harness connection between CIS J102-DFPU CN2 if faulty.
  3. Replace CIS. (Part# A782R70200 )
  4. DFPU ICP1 conduction check.
  5. Replace DFPU. )Part# A3CKH00200 )
  6. Replace DSIPB. (Part# A9HGH02A00 )
  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.3.22.2.