Konica-Minolta bizhub C351
Troubleshooting. Jam 07. Duplex Transport Misfeed
Detection timing
Type | Description |
---|---|
Misfeed detected at Duplex Transport Section | The Registration Roller Sensor (PC28) is not blocked even after the lapse of a given period of time after a Duplex paper take-up sequence has been started. |
The Duplex Unit Transport Sensor 2 (PC1-DU) is not blocked even after the lapse of a given period of time after the paper has blocked the Duplex Unit Transport Sensor 1 (PI1-DU). | |
The Duplex Unit Transport Sensor 1 (PI1-DU) is not unblocked even after the lapse of a given period of time after it has been blocked by the paper. | |
The Duplex Unit Transport Sensor 2 (PC1-DU) is not unblocked even after the lapse of a given period of time after it has been blocked by the paper. | |
Paper left at Duplex Transport Section | Duplex Unit Transport Sensor 1 (PI1-DU) or Duplex Unit Transport Sensor 2 (PC1-DU) is blocked when the Main Power Switch is turned ON, a door or cover is opened and closed, or a misfeed or malfunction is reset. |
Relevant electrical parts
Registration Roller Sensor (PC28)
Duplex Unit Transport Sensor 1 (PI1-DU)
Duplex Unit Transport Sensor 2 (PC1-DU)
Switchback Motor (M1-DU)
Duplex Unit Transport Motor (M2-DU)
Duplex Control Board (PWB-A DU)
Control Board (PWB-MC)
Action
Step | Action | Control signal | Location |
---|---|---|---|
1 | Initial check items. | ||
2 | PC28 I/O check, Sensor check | PWB-Z PJ6Z-11 (ON) | T to U-27 |
3 | PI1-DU I/O check, Sensor check | Duplex Unit E-6 | |
4 | PC1-DU I/O check, Sensor check | Duplex Unit C-6 | |
5 | M1-DU operation check | PWB-A DU PJ3A-1 to 4 | Duplex Unit C-5 |
6 | M2-DU operation check | PWB-A DU PJ2A-1 to 4 | Duplex Unit C-5 |
7 | Change PWB-A DU | ||
8 | Change PWB-MC |