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C9401 (bizhub 658e/558e/458e)
Contents
Trouble type | C9401: Exposure LED lighting failure |
Rank | B |
Trouble detection condition | C9401: The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment. |
Trouble isolation | Scanner |
Relevant electrical parts | •LED exposure unit • Flat cable (LED exposure unit) • CCD board (CCDB) • Scanner drive board (SCDB) • MFP board (MFPB) |
Procedure
- Correct the harness connection between SCDB CN3-LU201 if faulty.
- Check the connector between SCDB CN2-MFPB CN6E for proper connection and correct as necessary.
- Check the connector between CCDB PJ3-MFPB CN1 for proper connection and correct as necessary.
- Replace the LED exposure unit. (Part# A7PUR71000)
- Replace CCDB. (Part# A795R71000 )
- Replace SCDB. (Part# A796H01A00 )
- 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.