Component Layout
SM 9 D351
Paper Feed
Unit PB3040
D351
2.1.2 ELECTRICAL COMPONENT LAYOUT
1. Main board
2. Feed motor
3. Upper tray lift motor
4. Lower tray lift motor
5. Upper lift sensor
6. Upper paper feed clutch
7. Pick-up solenoid
8. Lower paper feed clutch
9. Vertical transport guide switch
10. Paper end sensor
11. Vertical transport sensor 1
12. Paper feed sensor
13. Paper size switch: Lower tray
14. Paper size switch: Upper tray
 Listed above are the components of tray 1 (upper tray), except for the right cover
switch and anti-condensation heater (there is only one each of these for the entire
unit). Tray 2 (lower tray) has the same components as tray 1.