Dell 3115cn Color Laser Printer User Manual page 589

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:
auto
AutoTray/Auto
1
1stTray/Tray 1 (Standard 250-sheet tray)
2
2ndTray/Tray 2 (Optional 550-sheet paper feeder)
off
Off
-Sp
Specifies printed separators.
Available only when the paper tray for separators is specified.
-Sb
Specifies Skip Blank Pages.
-Cm=mode
Specifies output color.
Available output colors are as follows:
c
Color (CMYK)
k
Black