Konica-Minolta bizhub C750i
Troubleshooting. Jam Codes: 14-05, 14-40
Contents
| JAM type | Misfeed at tray 4 paper feed section |
| JAM code | 14-05, 14-40 |
| JAM detection timing | 14-05 The leading edge of the paper is not turned ON the tray 4 paper feed sensor (PS162) even after the lapse of a given period of time after the tray 4 starts to feed paper. |
| 14-40 For paper fed from the tray 4, 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. |
|
| Paper jam of a sheet of paper left at the tray 4 paper feed section results, if the tray 4 paper feed sensor (PS162) is turned ON when the main power switch is turned ON, a door is opened and closed, or a misfeed or malfunction is reset. | |
| Misfeed processing location | Right door |
| Relevant parts | • Transport motor (M152) • Tray 4 paper feed clutch (CL161) • Tray 4 paper feed sensor (PS162) • PC control board (PCCB) |
Procedure
| Step | Action | Control signal | Location |
|---|---|---|---|
| 1 | Initial check items | ||
| 2 | PS162 I/O check, sensor check | PCCB CN4-11 (ON) | PC-417 3-C |
| 3 | CL161 operation check | PCCB CN19-3 (ON) | PC-417 6-C |
| 4 | M152 load check • Check code: 28 • Multi code: 51, 52, 53, 54, 55 |
PCCB CN5-1 to 8 | PC-417 7-K |
| 5 | Replace PCCB. |