C2151 (bizhub C754/C654)
Contents
| Trouble type | Secondary transfer roller pressure welding alienation |
| Trouble code | C2151 |
| Rank | B |
| Detection timing | -The 2nd transfer pressure sensor (PS50) doesn’t unblock (retracting) even after the lapse of a given period of time after the 2nd transfer pressure motor (M3) has started rotating during the 2nd image transfer roller is retracting. -The 2nd transfer pressure sensor (PS50) doesn’t block (pressuring) even after the lapse of a given period of time after the 2nd transfer pressure motor (M3) has started rotating during the 2nd image transfer roller is pressuring. |
| Trouble isolation | – |
| Relevant electrical parts | -2nd transfer pressure sensor (PS50) -2nd transfer pressure motor (M3) -Paper feed/transport drive board (PFTDB) -Printer control board (PRCB) |
(2)Procedure
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M3-relay CN271A-PFTDB CN3 for proper connection and correct as necessary. | – | – |
| 2 | Check the connector of M3 for proper drive coupling and correct as necessary. | – | – |
| 3 | Check the connector between PS50-relay CN271B-PFTDB CN10 for proper connection and correct as necessary. | – | – |
| 4 | PS50 I/O check, sensor check | PFTDB CN10-1 to 2 | 5 to 6-P |
| 5 | M3 operation check | PFTDB CN3-9 (ON) | 5-P |
| 6 | PFTDB ICP16 conduction check | – | – |
| 7 | Replace M3 (Part# A0P0R75400) | – | – |
| 8 | 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.51. C2151)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.7.2 (Link to the Field Service Manual)