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C2256 (bizhub C754/C654)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| Trouble type | Developing motor/YMC’s turning at abnormal timing |
| Trouble code | C2256 |
| Rank | B |
| Detection timing | The motor lock signal remains LOW for a predetermined continuous period of time while the motor remains stationary. |
| Trouble isolation | – |
| Relevant electrical parts | -Developing motor/YMC (M17) -Printer control board (PRCB) |
 (2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M17-PRCB CN22 for proper connection and correct as necessary. | – | – |
| 2 | Check the M17 connector for proper drive coupling and correct as necessary. | – | – |
| 3 | M17 operation check | PRCB CN22-13 to 17 | 15-K |
| 4 | Replace M17 (Part# A2XKM10300) | – | – |
| 5 | PRCB ICP5 conduction check | – | – |
| 6 | Replace PRCB (Part# A2X0H00102) | – | – |
- Link to the wiring diagram (N.1. bizhub C754/C654)
- Link to the layout drawings for related parts by each trouble code (S.56. C2255, C2256)
K.3.7.7 (Link to the Field Service Manual)