Dell 5110cn Color Laser Printer - Manual (Page 395)

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-St=mode
Specifies Feed Separators from.
Available Feed Separators from the following.
auto
AutoTray/Auto
1
1stTray/Tray 1 (standard 500-sheet tray)
2
2ndTray/Tray 2 (optional 500-sheet tray module or 1000-sheet module)
3
3rdTray/Tray 3 (optional 1000-sheet module)
4
4thTray/Tray 4 (optional 1000-sheet module)
off
Off
-Sp
Specifies 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