Dell 3130cn Color Laser Printer - Manual (Page 274)

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
This option is available only for color printing and when entry data is RGB data.