C6754 (bizhub C360i/C300i/C250i)

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Trouble typeC6754: CIS clamp adjustment failure (When DF-714 is installed)
RankB
Trouble detection conditionAfter the gain adjustment is performed at the start-up, the CIS clamp adjustment value is too high or too low.
Trouble isolationScanner
Relevant electrical parts• CIS module (CIS)
• CIS power supply (CISPU)
• CPU board (CPUB)
• Base board (BASEB)

Procedure

  1. Check the connector between CIS J221-BASEB CN5 for proper connection and correct as necessary.
  2. Check CPUB for proper installation and correct as necessary.
  3. Correct the harness connection between CIS J222-CISPU J2 if faulty.
  4. Check for possible extraneous light and correct as necessary.
  5. Clean the back side reading glass and the shading sheet if dirty.
  6. Replace CIS. (Part# AAMNM70000)
  7. Replace CISPU. (Part# A3CEPP4Y00)
  8. Replace CPUB. (Part# AA2JH02N06)
  9. Replace BASEB. (Part# AA2JH02005)

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

L.3.12.9 (Link to the Field Service Manual)