Dell 3100cn Color Laser Printer - Manual (Page 116)

-Cm=mode
Specifies Output Color.
Available Output Colors are as follows.
c
Color (CMYK)
k
Black
-Pr=mode
Specifies Print Mode.
Available Print Modes are as follows.
hs
High Speed
hq
High Quality
-Cc=mode
Specifies RGB Color Correction.
Available RGB Color Corrections are as follows.
0
Off
1
Photo
2
sRGB
3
Standard/ Normal
4
Presentation
This option is available only for color printing.
-Gc=mode
Specifies RGB Gamma Correction.
Available RGB Gamma Corrections are as follows.
1.0
1.0
1.4
1.4
1.8
1.8
2.2
2.2
2.6