C5103 (bizhub 558/458)
Contents
| Trouble type | C5103: Transport motor’s turning at abnormal timing | 
| Rank | B | 
| Trouble detection condition | The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary. | 
| Trouble isolation | – | 
| Relevant electrical parts | • Transport motor (M1)  • MFP board (MFPB)  | 
Procedure
- Check the connector between M1-MFPB CN14E for proper connection and correct as necessary.
 - Check the loading status of the transfer belt drive, and correct the error as necessary.
 - M1 operation check
- Control signal: MFPB CN14E-3 (REM), MFPB CN14E-6 (LOCK)
 - Location of electrical component: 1-C
 
 - Replace M1. (Part# A79JM11400)
 - Replace MFPB. (558 Part# A9HGH02102 / 458 Part# A9HHH02102)
 
NOTICE
- Link to the wiring diagram (bizhub 558/458)
 
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.17.1 (Link to the Field Service Manual)
