Konica-Minolta bizhub C654
Troubleshooting. Jam Code: 12-01, 12-40
Contents
| JAM type | 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 (PS12) 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. |
|
| The 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. | |
| Misfeed processing location | Lower right door |
| Relevant 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) |
Procedure
| Step | Action | Control signal | Location |
|---|---|---|---|
| 1 | Initial check items | ||
| 2 | PS12 I/O check, sensor check | PFTDB CN14-2 (ON) | 3-P |
| 3 | CL2 operation check | PFTDB CN13-1 (REM) | 3-P |
| 4 | M22 operation check | PFTDB CN7-5 to 8 | 12-X |
| 5 | PFTDB ICP1, ICP3, ICP12 or ICP18 conduction check | ||
| 6 | Replace PFTDB | ||
| 7 | PRCB ICP13 conduction check | ||
| 8 | Replace PRCB |