No.  | Name  | No.  | Name  | 
|---|---|---|---|
1  | Original tray  | 13  | Transport sensor  | 
2  | Top cover set sensor  | 14  | Scanning guide plate (front side)  | 
3  | Original set sensor  | 15  | Pre-scanning roller (rear side)  | 
4  | Pick-up roller  | 16  | Scanning guide plate (rear side)  | 
5  | Original set sensor actuator  | 17  | CIS  | 
6  | Stopper  | 18  | ADF exit roller  | 
7  | Friction pad  | 19  | Platen  | 
8  | Feed roller  | 20  | Original exit tray  | 
9  | ADF feed sensor actuator  | 21  | ADF drive motor  | 
10  | ADF feed sensor  | 22  | Double-feed sensor unit (receiver) (Option)  | 
11  | ADF entrance roller  | 23  | Double-feed sensor unit (emitter) (Option)  | 
12  | Pre-scanning roller (front side)  | 
No.  | Name  | No.  | Name  | 
|---|---|---|---|
1  | ADF feed roller clutch  | 5  | ADF relay board  | 
2  | ADF feed sensor  | 6  | ADF drive motor  | 
3  | ADF transport sensor  | 7  | Top cover sensor  | 
4  | CIS  | 8  | Original set sensor  |