Konica-Minolta bizhub C650
Troubleshooting. Jam 05. Misfeed at tray 4 feed section
Detection timing
| Type | Description |
|---|---|
| Detection of misfeed at tray 4 feed section | • The leading edge of the paper does not unblock the tray4 paper feed sensor (PS26) even after the lapse of a given period of time after the tray 4 starts to feed paper. |
| Detection of paper left in tray 4 | • Tray 4 paper feed sensor (PS26) is unblocked when the main power switch is turned ON, a door or cover is opened and closed, or a misfeed or malfunction is reset. |
| Tray 4 feed section TOD permit waiting jam | • For paper fed from the tray4, TOD permit continues to be disabled for a predetermined period of time after the timing of TOD output. |
Relevant electrical parts
Transport motor (M25)
Tray 4 paper feed clutch (CL7)
Tray 4 paper feed sensor (PS26)
Paper feed/transport drive board (PFTDB)
Printer control board (PRCB)
Action
| Step | Action | Control signal | Location |
|---|---|---|---|
| 1 | Initial check items. | ||
| 2 | PS26 I/O check, sensor check | PFTDB CN9PFTDB-3 (ON) | V-8 |
| 3 | CL7 operation check | PFTDB CN24PFTDB-2 (ON) | V-7 |
| 4 | M25 operation check | PFTDB CN12PFTDB-6 (LOCK) | V-12 |
| 5 | Change PFTDB | ||
| 6 | Change PRCB |