Konica-Minolta bizhub 42
Troubleshooting. JAM. 8. Misfeed at tray 4 vertical transport section
Contents
| JAM type | Misfeed at tray 4 vertical transport section |
| Detection timing | The tray 4 vertical transport sensor (PS45) is not unblocked even after the lapse of a given period of time after PS45 has been blocked by a paper. |
| The tray 3 vertical transport sensor (PS18) is not blocked or turned ON even after the lapse of a given period of time after the tray 4 or tray 5 starts to feed paper. | |
| Misfeed processing location | • Tray 4 right door |
| Relevant parts | • Tray 4 vertical transport sensor (PS45) • Tray 3 vertical transport sensor (PS18) • Tray 4 paper feed motor (M41) • PC control board (PCCB) • Printer control board (PRCB) • Tray 4 vertical transport motor (M42) • Registration sensor (PS1) |
Procedure
| Step | Action | Control signal | Location |
|---|---|---|---|
| 1 | Initial check items | ||
| 2 | PS1 I/O check, sensor check | PRCB CN23-9 (ON) | J-10 |
| 3 | PS45 I/O check, sensor check | PCCB CN6-11 (ON) | PC-211 H-3 |
| 4 | PS18 I/O check, sensor check | PRCB CN23-16 (ON) | J-10 |
| 5 | M41 operation check | PCCB CN5-1 to 4 | PC-211 G-3 |
| 6 | M42 operation check | PCCB CN5-5 to 8 | PC-211 G-3 |
| 7 | PCCB ICP1, ICP3 conduction check | ||
| 8 | Change PCCB | ||
| 9 | Change PRCB |