Konica-Minolta bizhub 42
Troubleshooting. JAM. 7. Misfeed at vertical transport section
Contents
| JAM type | Misfeed at vertical transport section |
| Detection timing | The registration sensor (PS1) is not unblocked even after the lapse of a given period of time after the tray 3, tray 4 or tray 5 starts to feed paper. |
| The tray 3 vertical transport sensor (PS18) is not unblocked or turned OFF even after the lapse of a given period of time after the paper has been blocked or turn ON the PS18. | |
| In case paper position is detected as locating properly after power switch is turned ON, door is opened / closed or jam/ trouble reset is done, it is regarded as paper jam at vertical transport section. | |
| Misfeed processing location | • Right door |
| Relevant parts | • Transport motor (M1) • Tray 3 vertical transport clutch (CL4) • Registration clutch (CL1) • Printer control board (PRCB) • Registration sensor (PS1) • Tray 3 vertical transport sensor (PS18) |
Procedure
| Step | Action | Control signal | Location |
|---|---|---|---|
| 1 | Initial check items | ||
| 2 | PS1 I/O check, sensor check | PRCB CN23-9 (ON) | J-10 |
| 3 | PS18 I/O check, sensor check | PRCB CN23-16 (ON) | J-10 |
| 4 | CL4 operation check | PRCB CN23-13 (ON) | J-10 |
| 5 | CL1 operation check | PRCB CN23-11 (ON) | J-10 |
| 6 | M1 operation check | PRCB CN3-4 (REM) PRCB CN3-7 (LOCK) |
K-10 |
| 7 | Change PRCB |