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C2256 (bizhub C754e/C654e)
Contents
(2)Procedure
| 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 | • Imaging unit/C • Imaging unit /M • Imaging unit /Y • Developing motor/YMC (M17) • Printer control board (PRCB) |
| 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 | Replace the imaging unit. (C Part# A2X20KD, M Part# A2X20ED, Y Part# A2X208D) | – | – |
| 6 | PRCB ICP5 conduction check | – | – |
| 7 | Replace PRCB (Part# A2X0H00S06) | – | – |
- Link to the wiring diagram (N.1. bizhub C754e/C654e)
- Link to the layout drawings for related parts by each trouble code (S.56. C2255, C2256)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.7.7 (Link to the Field Service Manual)