20-22 (bizhub 287/227)
Please search Knowledge Base articles and Bulletins as they may contain relevant information and updated Part information such as Part numbers.
Contents
| JAM type | Misfeed at vertical transport section (tray 4) | |
| JAM code | 20-22 | |
| JAM detection timing | The tray 3 vertical transport sensor (PS113) is not turned ON even after the lapse of a given period of time after the tray 4 vertical transport sensor (PS123) has been blocked by a paper. | |
| – | Paper jam of a sheet of paper left at the vertical transport section results, if a sheet of paper is determined to exist at a position detected when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. | |
| Misfeed processing location | Right door | |
| Relevant parts | -Tray 3 vertical transport motor (M112) -Tray 4 vertical transport motor (M122) -Tray 3 vertical transport sensor (PS113) -Tray 4 vertical transport sensor (PS123) -PC control board (PCCB) |
Procedure
| Step | Action | Control signal | Location of electrical component |
|---|---|---|---|
| 1 | Initial check items | – | – |
| 2 | PS123 I/O check, sensor check | PCCB CN18-5 (ON) | PC-213 7-K |
| 3 | PS113 I/O check, sensor check | PCCB CN4-14 (ON) | PC-213 5-C |
| 4 | M122 operation check | PCCB CN9-9 to 16 | PC-213 6-K |
| 5 | M112 operation check | PCCB CN5-9 to 16 | PC-213 3 to 4-C |
| 6 | Replace PCCB. (Part# A7VAH00200) | – | – |
- Link to the wiring diagram (PC-213)
K.1.7.3 (Link to the Field Service Manual)
