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C9401 (bizhub C3320i)

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Trouble typeC9401: CIS LED lighting failure (front side)
RankB
Trouble detection conditionAt the CIS gain adjustment, the machine detected that the output of the CIS LED is lower than the specified value.
Trouble isolationScanner
Relevant electrical parts-Flat cableCIS 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 the flat cable. (Part# AAJPN11500)
  5. Replace IR CIS. (Part# AAJPR70500)
  6. Replace CISRYB. (Part# AAJPH10100)
  7. Replace CPUB. (Part# AAJRH01005)
  8. Replace BASEB. (Part# A93EH02007)

L.3.14.1 (Link to the Field Service Manual)

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