C9401 (bizhub C287/C227)

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Trouble typeC9401: Exposure LED lighting failure
RankB
Trouble detection conditionThe output from the CCD sensor is a predetermined value or less during CCD sensor gain adjustment.
Trouble isolationScanner
Relevant electrical parts-LED exposure unit
-CCD unit
-Flat cable (CCD unit)
-CCD board (CCDB)
-MFP board (MFPB)

 Procedure

  1. Check the connector between LEDB CN1-CCDB PJ7 for proper connection and correct as necessary.
  2. Check the status of the harness between CCDB PJ1-MFPB CN7 and replace as necessary.
  3. Replace the LED exposure unit. (Part# A890R70211)
  4. Replace the CCD unit. (Part# A890R70033Old or A890R70300)
  5. MFPB F15E conduction check
  6. Replace MFPB. (Part# A797H02118)

K.3.15.1 (Link to the Field Service Manual)