C6751 (bizhub 950i/850i)
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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 unit – CPU board (CPUB) – Base board (BASEB) |
Procedure
- Check the connector between CCDB CN2-BASEB CN6 for proper connection and correct as necessary.
- Check CPUB for proper installation 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 the CCD unit.
- Replace CPUB.
- Replace BASEB.