Front view
7
9
10
8
1
2
5
4
3
6
1
Tray 2
2
Single-sheet priority input slot (tray 1)
3
Print-cartridge door
4
Top (face-down) output bin
5
Control panel
6
Automatic document feeder (ADF) input tray
7
Automatic document feeder (ADF) output bin
8
Convenience stapler (HP LaserJet 3392 all-in-one only)
9
Power switch
10
Optional tray 3 (standard on HP LaserJet 3392 all-in-one; optional on HP LaserJet 3390 all-in-one).