C7137 (bizhub 750i)
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Contents
| Trouble type | C7137: Toner supply motor/K 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/K (M6) -Expansion control board (EXCB) |
Procedure
- Check the connector between M6-relay CN126-EXCB CN10EX for proper connection and correct as necessary.
- Check the connector of M6 for proper drive coupling and correct as necessary.
- M6 conduction check.
- Control signal: EXCB CN10EX-16 to 19
- Location of electrical component: 23-P
- Replace M6. (Part# A7PUM10700)
- Replace EXCB. (Part# AC74H00501)