Konica-Minolta bizhub C224
Troubleshooting. Jam Code: 12-01, 12-40
Contents
| JAM type | Misfeed at tray 2 feed section |
| JAM code | 12-01, 12-40 |
| Detection timing | 12-01 The leading edge of the paper does not turn ON the tray 2 vertical transport sensor (PS19) even after the lapse of a given period of time after the tray 2 starts to feed paper. |
| 12-40 For paper fed from the tray 2, the image write start signal permit continues to be disabled for a predetermined period of time after the timing of the image write start signal output. |
|
| Tray 2 vertical transport sensor (PS19) 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 paper feed sensor (PS20) 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. (bizhub C364/C284 only) | |
| In case paper position is detected as locating properly after main power switch is turned ON, door and cover are opened / closed or jam/trouble reset is done, it is regarded as paper jam at tray 2 feed section. | |
| Misfeed processing location | • Right door • Tray 2 |
| Relevant parts | • Transport motor (M1) • Tray 2 paper feed clutch (CL1) • Tray 2 vertical transport clutch (CL2) • Tray 2 vertical transport sensor (PS19) • Tray 2 paper feed sensor (PS20) • Printer control board (PRCB) |
Procedure
| Step | Action | Control signal | Location |
|---|---|---|---|
| 1 | Initial check items | ||
| 2 | PS19 I/O check, sensor check | PRCB CN19-5 (ON) | bizhub C364/C284 9-C bizhub C224 11-C |
| 3 | PS20 I/O check, sensor check (bizhub C364/C284 only) | PRCB CN19-2 (ON) | bizhub C364/C2849-C |
| 4 | CL1 operation check | PRCB CN19-14 (ON) | bizhub C364/C284 10-C bizhub C224 12-C |
| 5 | CL2 operation check | PRCB CN19-16 (ON) | bizhub C364/C284 10-C bizhub C224 12-C |
| 6 | M1 operation check | PRCB CN31-2 (REM) PRCB CN31-5 (LOCK) |
bizhub C364 21-J bizhub C284 22-J bizhub C224 24-J |
| 7 | PRCB ICP4 conduction check | ||
| 8 | Replace PRCB |