Dell 3115cn Color Laser Printer - Manual (Page 563)

Bright 2
+1
Bright 1
+0
Normal
-1
Dark 1
-2
Dark 2
-3
Dark 3
-4
Dark 4
-5
Dark 5
-RGBc=mode
Specifies RGB color correction.
Available RGB color corrections are as follows:
10
Perceptual
11
Saturation
12
Relative Colorimetric
13
Absolute Colorimetric
This option is available only for color printing and when entry data is RGB data.
-RGBPr=mode