C255A (bizhub C287/C227)

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

Contents

Trouble type	C255A: Magenta TCR sensor adjustment failure
Rank	B
Trouble detection condition	TCR sensor automatic adjustment does not function properly, failing to adjust to an appropriate value.
Trouble isolation	–
Relevant electrical parts	-Imaging unit/Y,M,C -Developing unit/K -MFP board (MFPB)

 Procedure

1. Reinstall the imaging unit.
2. Reinstall the developing unit/K.
3. Check the connector between the imaging unit or developing unit/K-relay CN161,CN162,CN163,CN164-relay CN15-MFPB CN18E for proper connection and correct as necessary.
4. Replace the the corresponding imaging unit. (Part# A85Y0ED)
5. Replace MFPB. (Part# A797H02118)

NOTICE

• Link to the wiring diagram (bizhub C287/C227)

K.3.9.7 (Link to the Field Service Manual)