C9402 (bizhub C287/C227)

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Contents

Trouble type	C9402: Exposure LED lighting abnormally
Rank	B
Trouble detection condition	The 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 isolation	Scanner
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)