Dell 3130cn Color Laser Printer - Manual (Page 284)

-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
sf
Super fine
-Cc=mode
Specifies image types.
Available image types are as follows.
0
Off
1
Photo
2
sRGB
3
Standard/ Normal
4
Presentation
This option is available only for color printing and when entry data is RGB data.
-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
2.6
off
Off