C9401 (bizhub 558/458/368/308)

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.
Trouble isolation	Scanner
Relevant electrical parts	• LED exposure unit • Flat cable (LED exposure unit) • CCD board (CCDB) • Scanner drive board (SCDB) • MFP board (MFPB)

 Procedure

1. Correct the harness connection between SCDB CN3-LU201 if faulty.
2. Check the connector between SCDB CN2-MFPB CN12E for proper connection and correct as necessary. (bizhub 368/308)
3. Check the connector between SCDB CN2-MFPB CN6E for proper connection and correct as necessary. (bizhub 558/458)
4. Check the connector between CCDB CN3-MFPB CN1 for proper connection and correct as necessary. (bizhub 368/308)
5. Check the connector between CCDB PJ3-MFPB CN9 for proper connection and correct as necessary. (bizhub 558/458)
6. Replace the LED exposure unit. (bizhub 368/308 / bizhub 558/458) (Part# A7PUR71000)
7. Replace CCDB. (bizhub 368/308 / bizhub 558/458) (Part# A7PUR70100)
8. Replace SCDB. (bizhub 368/308 / bizhub 558/458) (Part# A7PUH01A01)
9. Replace MFPB. (bizhub 368/308 / bizhub 558/458) (558 Part# A9HGH02102 / 458 Part# A9HHH02102 / 368/308 Part# A9HJH02102)

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

K.3.22.1 (Link to the Field Service Manual)