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C9404 (bizhub 658e/558e/458e)
Contents
Trouble type | C9404: CIS LED lighting abnormally |
Rank | B |
Trouble detection condition | C9404: After a scan job is completed, the machine detected that the average output of the CIS LED is greater than the specified value. |
Trouble isolation | Scanner |
Relevant electrical parts | • CIS module (CIS) • DF power supply (DFPU) • Dual scan image processing board (DSIPB) • MFP board (MFPB) |
Procedure
- Correct the harness connection between CIS J101-DSIPB CN2 if faulty.
- Correct the harness connection between CIS J102-DFPU CN2 if faulty.
- Replace CIS. (Part# A782R70200 )
- DFPU ICP1 conduction check.
- Replace DFPU. )Part# A3CKH00200 )
- Replace DSIPB. (Part# A9HGH02A00 )
- 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.