| No. | Description | No. | Description |
|---|---|---|---|
| 1 | Registration Sensor | 16 | Duplex Unit Sensor 3 |
| 2 | Bypass Paper Feed Sensor | 17 | Duplex Unit Sensor 4 |
| 3 | Relay Sensor | 18 | Purged Paper Sensor |
| 4 | Transport Sensor (Tray 1) | 19 | Duplex Invert Sensor |
| 5 | Paper Feed Sensor (Tray 1) | 20 | Purge Relay Sensor |
| 6 | Paper End Sensor (Tray 1) | 21 | Duplex Unit Entrance Sensor |
| 7 | Vertical Transport Sensor | 22 | Inverter Exit Sensor |
| 8 | Transport Sensor (Tray 2) | 23 | Inverter Feed-in Sensor |
| 9 | Paper Feed Sensor (Tray 2) | 24 | Inverter Feed-out Sensor |
| 10 | Paper End Sensor (Tray 2) | 25 | Paper Exit Sensor |
| 11 | Transport Sensor (Tray 3) | 26 | Paper Exit Relay Sensor |
| 12 | Paper Feed Sensor (Tray 3) | 27 | Fusing Paper Feed Sensor |
| 13 | Paper End Sensor (Tray 3) | 28 | Fusing Entrance Sensor |
| 14 | Duplex Exit Sensor | 29 | Paper Transport Belt Unit Set Sensor |
| 15 | Edge Detection Sensor |