ADF / Scanner
ADF




| No. | Name | Function | Type | Replacement procedure |
|---|---|---|---|---|
| 1 | ADF Paper Feed Motor |
Used for driving the Acceleration Roller, PF1 Roller, PF2 Roller, PF3 Roller, and the Set Guide Lever. | DC brush motor with rotary encoder (24V) | (ADF Unit) |
| 2 | ADF Pickup Motor |
Used for driving the pickup roller and retard roller. | ||
| 3 | ADF CIS Module | Used for reading the back side when duplex scanning. | CIS image sensor | ADF CIS Module |
| 4 | ADF Cover Sensor | Detects whether or not ADF Cover is opened. | Transmission type photo interrupter | (ADF Unit) |
| 5 | ADF Post Acceleration Roller Paper Sensor | Detects whether document exists or not immediately after the Acceleration Roller. | Transmission type photo interrupter | |
| 6 | ADF Post PF Roller1 Paper Feed Sensor |
Detects whether document exists or not immediately before starting scanning of the face side. | Reflective photo interrupter |
|
| 7 | ADF Post PF Roller2 Paper Feed Sensor |
Detects whether document exists or not immediately before starting scanning of the reverse side. | ||
| 8 | ADF Pre Paper Eject Roller Paper Feed Sensor |
Detects whether document exists or not near the Document Ejection Roller. | Transmission type photo interrupter | |
| 9 | ADF Document Distance Sensor |
Detects whether document exists or not immediately after the separation roller. | Analog sensor | |
| 10 | ADF Paper Sensor | Detects whether or not a document is placed on the ADF document support. | Transmission type photo interrupter | |
| 11 | ADF Document Width Sensor 1 | Detects the document width. | Transmission type photo interrupter | |
| 12 | ADF Document Width Sensor 2 | |||
| 13 | ADF Document Length Sensor 1 | Detects the document length. | Reflective photo interrupter | |
| 14 | ADF Document Length Sensor 2 | |||
| 15 | ADF Set Guide HP Sensor | Detects whether or not the Set Guide is at its home position (ready for loading documents). | Transmission type photo interrupter |
Scanner

| No. | Name | Function | Type | Replacement procedure |
|---|---|---|---|---|
| 1 | SCN Motor | Used for driving the scanner carriage. |
Stepping motor (24V) | (SCN Unit) |
| 2 | SCN CIS Module | Used to read the document on the scanner glass and read the document on the ADF surface. | CIS image sensor | SCN CIS Module |
| 3 | SCN Carriage HP Sensor | Detects whether the scanner carriage is at its home position or not. | Transmission type photo interrupter | (SCN Unit) |
| 4 | SCN Document Length Sensor | Detects the length of the document placed on the scanner glass. | Reflective photo interrupter | |
| 5 | ADF Close Sensor | Detects the open/closed state of the ADF unit. | Transmission type photo interrupter | |
| 6 | ADF Half Closed Sensor | Detects the half open/closed state of the ADF unit. |