C7131 (bizhub C360i/C300i/C250i)
Contents
| Trouble type | C7131: Toner supply motor/C failure | 
| Rank | C | 
| Trouble detection condition | After starting the motor, an error is detected for the malfunction detection signal. | 
| Trouble isolation | – | 
| Relevant electrical parts | • Toner supply motor/C (M7)  • Expansion control board (EXCB)  | 
Procedure
- Check the connector between M7-EXCB CN11EX for proper connection and correct as necessary.
 - Check the connector of M7 for proper drive coupling and correct as necessary.
 - M7 conduction check.
- Control signal: EXCB CN11EX-17 to 20
 - Location of electrical component: 5-P
 
 - Replace M7. (Part# A7PUM10700)
 - Replace EXCB. (Part# AA2JH00500)
 
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
L.3.13.5 (Link to the Field Service Manual)
