C1144 (bizhub C754/C654)
Contents
| Trouble type | Pre-eject drive motor malfunction (When FS-534 is installed) | ||
| Stacker plate drive motor malfunction (When FS-535 is installed) | |||
| Trouble code | C1144 | ||
| Rank | B | ||
| Detection timing | <When FS-534 is installed> -The pre-eject home sensor (PS21) is not blocked or unblocked even after the set period of time has elapsed after the pre-eject drive motor (M9) is turned ON. -The pre-eject away sensor (PS22) is not blocked or unblocked even after the set period of time has elapsed after the pre-eject drive motor (M9) is turned ON. | ||
| <When FS-535 is installed> The stacker plate home sensor (PS11) is not blocked or unblocked even after the set period of time has elapsed while the stacker plate drive motor (M17) is energized. | |||
| Trouble isolation | – | ||
| Relevant electrical parts | <When FS-534 is installed> -Pre-eject drive motor (M9) -Pre-eject home sensor (PS21) -Pre-eject away sensor (PS22) -FS control board (FSCB) | ||
| <When FS-535 is installed> -Stacker plate drive motor (M17) -Stacker plate home sensor (PS11) -FS control board (FSCB) |
(2)ProcedureWhen FS-534 is installed
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M9-relay CN7<A>-FSCB J13 for proper connection, and correct as necessary. | – | – |
| 2 | Check the connector of M9 for proper drive coupling, and correct as necessary. | – | – |
| 3 | Check the connector between PS21-relay CN8-relay CN7<B>-FSCB J12 for proper connection, and correct as necessary. | – | – |
| 4 | Check the connector between PS22-relay CN8-relay CN7<B>-FSCB J12 for proper connection, and correct as necessary. | – | – |
| 5 | PS21 I/O check, sensor check | FSCB J12-6 (ON) | FS-534 6-C |
| 6 | PS22 I/O check, sensor check | FSCB J12-9 (ON) | FS-534 6-C |
| 7 | M9 operation check | FSCB J13-3 to 4 | FS-534 8-C to D |
| 8 | Replace M9 (Part# A87GPP1500) | – | – |
| 9 | Replace FSCB (Part# A3EPPPBE01) | – | – |
- Link to the wiring diagram (N.2.4 Finisher FS-534)
- Link to the layout drawings for related parts by each trouble code (S.39.1 FS-534)
When FS-535 is installed
| Step | Action | Control signal | Location of electrical components |
| 1 | Check the connector between M17-relay CN233-FSCB CN23 for proper connection, and correct as necessary. | – | – |
| 2 | Check the connector of M17 for proper drive coupling, and correct as necessary. | – | – |
| 3 | Check the connector between PS11-FSCB CN20 for proper connection, and correct as necessary. | – | – |
| 4 | PS11 I/O check, sensor check | FSCB CN20-12 (ON) | FS-535 12-D |
| 5 | M17 operation check | FSCB CN23-19~20 | FS-535 13-L |
| 6 | Replace M17 (Part# A2Y1R70300) | – | – |
| 7 | FSCB ICP9 conduction check | – | – |
| 8 | Replace FSCB (Part# A2Y1H10002) | – | – |
- Link to the wiring diagram (N.2.7 Finisher FS-535)
- Link to the layout drawings for related parts by each trouble code (S.39.2 FS-535)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
K.3.6.30 (Link to the Field Service Manual)