Dell 3115cn Color Laser Printer - Manual (Page 574)

Available orientations for multipurpose feeder are as follows:
le
Landscape
ler
Landscape (Rotated)
se
Portrait
ser
Portrait (Rotated)
-Pon
Specifies alternate tray.
Available alternate trays are as follows:
0
Use system 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 from the following: