Konica-Minolta bizhub C754e
Troubleshooting. Jam Code: 11-01, 11-02, 11-40
Contents
| JAM type | Misfeed at tray 1 feed section |
| JAM code | 11-01, 11-02, 11-40 |
| Detection timing | 11-01 The leading edge of the paper does not unblocked the registration sensor (PS1) even after the lapse of a given period of time after the tray 1 starts to feed paper. |
| 11-02 For paper fed from the tray1, due to a delay in paper arrival, loop forming in front of the registration roller is not complete before the rise timing of the registration motor (M24). |
|
| 11-40 For paper fed from the tray1, 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 1 paper feed sensor (PS23) 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. | |
| 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 1 feed section. | |
| Misfeed processing location | • Right door • Tray 1 |
| Relevant parts | • Paper feed motor (M22) • Registration motor (M24) • Tray 1 paper feed clutch (CL3) • Registration sensor (PS1) • Tray 1 paper feed sensor (PS23) • Front side board (FRB) • Expansion control board (EXCB) • Printer control board (PRCB) |
Procedure
| Step | Action | Control signal | Location |
|---|---|---|---|
| 1 | Initial check items | ||
| 2 | PS1 I/O check, sensor check | FRB CN8-3 (ON) | 3-L |
| 3 | PS23 I/O check, sensor check | PRCB CN26-10 (ON) | 8-C |
| 4 | CL3 operation check | PRCB CN26-8 (ON) | 8-C |
| 5 | M22 operation check | EXCB CN3-5 to 8 | 22-P |
| 6 | M24 operation check | EXCB CN3-1 to 4 | 21-P |
| 7 | Replace FRB | ||
| 8 | Replace EXCB | ||
| 9 | PRCB ICP5 conduction check | ||
| 10 | Replace PRCB |