pressure knob
12ÿscan table release lever
3. RD-4200 / RD-4300
1) Scan cover
2) Scan glass
3) Scan table
4) Control panel
5) Paper receiving tray
6) Front door
7) Uplift lever
8) Power switch
9) Paper feed tray
10) Elevator button
11) Paper feed pressure knob
12) Scan table release lever
4 . RD-4220/RD-4320
1) Scan cover
2) Scan glass
3) Scan table
4) Control panel
5) Paper receiving tray
6) Front door
7) Uplift lever
8) Power switch
9) Paper feed tray
10) Elevator switch
11) Paper feed pressure knob
12) Scan table release knob
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