Dell 3110cn Color Laser Printer - Manual (Page 375)

Landscape (Rotated)
se
Portrait
ser
Portrait (Rotated)
-Pon
Specifies alternate tray.
Available alternate trays are as follows.
0
Use printer settings
1
Display message
2
Feed from multipurpose feeder
3
Use nearest size (Adjust to fit)
4
Use larger size (Adjust to fit)
5
Use nearest size (No zoom)
6
Use larger size (No zoom)
-St=mode
Specifies feed separators from.
Available feed separators froms are as follows.
auto
AutoTray/Auto
1
1stTray/Tray 1 (Standard 250-sheet tray)