Dell 5110cn Color Laser Printer - Manual (Page 411)

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.
-Sc=mode
Specifies Screen.
Available Screens are as follows.
0
Fineness
1
Gradation