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C6751 (bizhub 658e/558e/458e)
Contents
Trouble type | C6751: CCD clamp/gain adjustment failure |
Rank | B |
Trouble detection condition | • The adjustment value is 0 or 255 during a CCD clamp adjustment. • The peak value of the output data is 64 or less during a CCD gain adjustment. |
Trouble isolation | Scanner |
Relevant electrical parts | • LED exposure unit • CCD board (CCDB) • MFP board (MFPB) |
Procedure
- Check the connector between CCDB PJ3-MFPB CN1 for proper connection and correct as necessary.
- Check for possible extraneous light and correct as necessary.
- Clean the lens, mirrors, CCD surface, and shading sheet if dirty.
- Correct reflective mirror of the scanner if faulty, or change scanner mirror.
- Replace CCDB. (Part# A795R71000)
- 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.
L.3.18.6 (Link to the Field Service Manual)