C9401 (bizhub 287/227)

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Contents

Trouble type	C9401: Exposure LED lighting failure
Rank	B
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 isolation	Scanner
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)