Konica-Minolta bizhub C550
Troubleshooting. Jam 03. Misfeed at tray 2 feed section
Detection timing
| Type | Description |
|---|---|
| Detection of misfeed at tray 2 feed section | • The leading edge of the paper does not turn ON the tray2 vertical transport sensor (PS12) even after the lapse of a given period of time after the tray2 starts to feed paper. |
| Detection of paper left in tray 2 | • Tray 2 vertical transport sensor (PS12) is turned ON when the main power switch is turned ON, a door or cover is opened and closed, or a misfeed or malfunction is reset. |
| Tray 2 feed section TOD permit waiting jam | • For paper fed from the tray2, TOD permit continues to be disabled for a predetermined period of time after the timing of TOD output. |
Relevant electrical parts
Take-up motor (M22)
Tray 2 paper feed clutch (CL2)
Tray 2 vertical transport sensor (PS12)
Paper feed/transport drive board (PFTDB)
Printer control board (PRCB)
Action
| Step | Action | Control signal | Location |
|---|---|---|---|
| 1 | Initial check items. | ||
| 2 | PS12 I/O check, sensor check | PFTDB CN8BPFTDB-2 (ON) | P-6 |
| 3 | CL2 operation check | PFTDB CN8APFTDB-1 (ON) | P-6 |
| 4 | M22 operation check | PFTDB CN5PFTDB-5 to 8 | P-3 |
| 5 | Change PFTDB | ||
| 6 | Change PRCB |