Konica-Minolta bizhub 222
Troubleshooting. Jam 5. Misfeed at Switch Back Unit/Duplex Unit transport section
Detection Timing
| Type | Description |
|---|---|
| Detection of misfeed at Switch Back Unit/Duplex Unit transport section | The Switch Back Unit Sensor (PC26) is not blocked even after the set period of time has elapsed after the Paper Exit Sensor (PC4) has been unblocked by the paper. |
| The Duplex Unit Upper Transport Sensor (PC24) is not blocked even after the set period of time has elapsed after the Switch Back Unit Sensor (PC26) is blocked by the paper. | |
| The Switch Back Unit Sensor (PC26) is not blocked even after the set period of time has elapsed after the Duplex Unit Upper Transport Sensor (PC24) is blocked by the paper. | |
| Detection of paper left in Switch Back Unit/Duplex Unit transport section | The Switch Back Unit Sensor (PC26) is blocked when the Main Power Switch is set to ON, a door or cover is opened and closed, or a misfeed or malfunction is reset. |
| The Duplex Unit Upper Transport Sensor (PC24) is blocked when the Main Power Switch is set to ON, a door or cover is opened and closed, or a misfeed or malfunction is reset. |
Relevant Electrical Parts
Paper Exit Sensor (PC4)
Switch Back Unit Sensor (PC26)
Duplex Unit Upper Transport Sensor (PC24)
Mechanical Control Board (PWB-A)
Action
| Step | Action | Control Signal | Location |
|---|---|---|---|
| 1 | Initial check items | ||
| 2 | PC4 I/O check | PWB-A PJ18A-11 (ON) | M-12 |
| 3 | PC26 I/O check | PWB-A PJ19A-9 (ON) | M-5 |
| 4 | PC24 I/O check | PWB-A PJ20A-5 (ON) | M-16 |
| 5 | PC25 I/O check | PWB-A PJ20A-8 (ON) | M-16 |
| 6 | Change PWB-A |