C9402 (bizhub C759/C659)

Posted
ByAdministrator Administrator
You are here:

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

Contents

Trouble typeC9402: Exposure LED lighting abnormally
RankB
Trouble detection conditionThe average output value of the CCD sensor with the scanner at its standby position is a predetermined value or more at the end of a scan job.
Trouble isolationScanner
Relevant electrical parts-LED exposure unit
-Flat cable (LED exposure unit)
-CCD board (CCDB)
-Scanner drive board (SCDB)
-MFP board (MFPB)

 Procedure

  1. Check the machine type information registered and reenter as necessary. For details the machine information, see Entering the machine type information.
  2. Correct the harness connection between SCDB CN3-LU201 if faulty.
  3. Correct the harness connection between SCDB CN2-MFPB CN1E if faulty.
  4. Correct the harness connection between CCDB PJ3-MFPB CN9 if faulty.
  5. Replace the LED exposure unit. (Part# A61FM31100)
  6. Replace the CCD unit. (Part# A795R71000)
  7. Replace SCDB. (Part# A796H01A00)
  8. MFPB F3E conduction check
  9. Replace MFPB. (Part# A8JEH02002)

L.3.15.1 (Link to the Field Service Manual)