C6752 (bizhub C3320i)

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Trouble typeC6752: ASIC clock input error (front side)
RankC
Trouble detection conditionWhen starting the machine, verification on reading and writing the predetermined value for CPU (image processing section) on CPU board (CPUB) was conducted, and verification failure was detected.
Trouble isolationScanner
Relevant electrical parts-CIS module (IR CIS)
-CIS relay board (CISRYB)
-CPU board (CPUB)
-Base board (BASEB)

Procedure

  1. Check the connector between IR CIS-CISRYB CN1 for proper connection and correct as necessary.
  2. Check the connector between CISRYB CN2-BASEB CN6 for proper connection and correct as necessary.
  3. Check CPUB for proper installation and correct as necessary.
  4. Replace IR CIS. (Part# AAJPR70500)
  5. Replace CISRYB. (Part# AAJPH10100)
  6. Replace CPUB. (Part# AAJRH01005)
  7. Replace BASEB. (Part# A93EH02007)

L.3.11.6 (Link to the Field Service Manual)