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C6751 (bizhub 368/308)

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Trouble typeC6751: CCD gain adjustment failure
RankB
Trouble detection conditionThe 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 isolationScanner
Relevant electrical parts• LED exposure unit
• CCD board (CCDB)
• MFP board (MFPB)

 Procedure

  1. Check the connector between CCDB CN3-MFPB CN1 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# A7PUR70100)
  6. Replace MFPB. (Part# A9HJH02102)

Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.

K.3.18.6 (Link to the Field Service Manual)

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