C9401 (bizhub 287/227)

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Trouble typeC9401: Exposure LED lighting failure
RankB
Trouble detection condition-The output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment.
-To install the new CCD board (scan-IR unit) to the previous MFP, the function version of firmware on the MFP must be updated to 4.0 or later.
Trouble isolationScanner
Relevant electrical parts-LED exposure unit
-CCD unitFlat cable (CCD unit)
-CCD board (CCDB)
-MFP board (MFPB)

 Procedure

  1. Update the firmware to the function version 4.0 or later.
  2. Check the connector between LEDB CN1-CCDB PJ7 for proper connection and correct as necessary.
  3. Check the connector between CCDB PJ1-MFPB CN7 for proper connection and correct as necessary.
  4. Replace the LED exposure unit. (Part# A890R70211)
  5. Replace the CCD unit. (Part# A890R70033Old or A890R70300)
  6. MFPB F8E conduction check
  7. Replace MFPB. (Part# A7AHH0201D)

K.3.15.1 (Link to the Field Service Manual)