72-21 (bizhub C554/C454)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| JAM type | FS transport section | ||
| JAM code | 72-21 | ||
| Detection timing | <When FS-533 is installed> The paper surface detect sensor/1 (PS102) is not unblocked after the paper exit. | ||
| <When FS-534 is installed> The main tray exit sensor sensor (PS16) is not turn OFF even after the set period of time has elapsed after the start of exiting paper. | |||
| <When FS-535 is installed> The staples stacker empty sensor (PS15) is not turn OFF even after the set period of time has elapsed after the start of exiting paper. | |||
| Misfeed processing location | Finisher paper exit section (When FS-533 is installed)Front door (When FS-534 or FS-535 is installed>) | ||
| Relevant parts | <When FS-533 is installed> -Paper exit motor (M102) -Paper surface detect sensor/1 (PS102) -FS control board (FSCB) | ||
| <When FS-534 is installed> -Main tray exit sensor (PS16) -FS control board (FSCB) | |||
| <When FS-535 is installed> -Staples stacker empty sensor (PS15) -FS control board (FSCB) |
 (2)ProcedureWhen FS-533 is installed
| Step | Action | Control signal | Location of electrical component |
| 1 | Initial check items | – | – |
| 2 | PS102 I/O check, sensor check | FSCB CN102 | FS-533 6-J |
| 3 | M102 operation check | FSCB CN109 | FS-533 8 to 9-D to E |
| 4 | FSCB CP102 conduction check | – | – |
| 5 | Replace FSCB (Part# A2YUPPH901(Model No. A2YU-WY1) or A2YUPPXN00 (Model No. A2YU-WY2)) | – | – |
- Link to the wiring diagram (N.3.7 FS-533)
When FS-534 is installed
| Step | Action | Control signal | Location of electrical component |
| 1 | Initial check items | – | – |
| 2 | PS16 I/O check, sensor check | FSCB J9<B>-2 (ON) | FS-534 9-C |
| 3 | Replace FSCB (Part# A3EPPPBE01) | – | – |
- Link to the wiring diagram (N.3.8 FS-534)
When FS-535 is installed
| Step | Action | Control signal | Location of electrical component |
| 1 | Initial check items | – | – |
| 2 | PS15 I/O check, sensor check | FSCB CN19-14 (ON) | FS-535 11-D |
| 3 | Replace FSCB (Part# A2Y1H10002) | – | – |
- Link to the wiring diagram (N.3.10 FS-535)
K1.10.9 (Link to the Field Service Manual)