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C6751 (bizhub C364e/C284e/C224e)
Contents
| Trouble type | CCD clamp/gain adjustment failure |
| Trouble code | C6751 |
| Rank | B |
| Detection timing | • 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 (LU201) • CCD board (CCDB) • MFP board (MFPB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between CCDB PJ3-MFPB PJ01 for proper connection and correct as necessary. | – | – |
| 2 | Check for possible extraneous light and correct as necessary. | – | – |
| 3 | Clean the lens, mirrors, CCD surface, and shading sheet if dirty. | – | – |
| 4 | Correct reflective mirror of the scanner if faulty, or change scanner mirror. | – | – |
| 5 | Replace CCDB (Part# A5C1R70000) | – | – |
| 6 | Replace MFPB (Part# A5C1H0200B) | – | – |
- Link to the layout drawings for related parts by each trouble code (S.82. C6751)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.11.6 (Link to the Field Service Manual)