Dell 3110cn Color Laser Printer - Manual (Page 378)

1
Standard
2
Auto
3
Gradation
-Gg=mode
Specifies gray guaranteed.
Available gray guaranteed options are as follows.
on
On
off
Off
This option is available only for color printing.
-Ct
Specifies color transformation.
This option is available only for color printing.
-Br=mode
Specifies brightness adjustment.
Available brightness adjustment option value are as follows.
+5
Bright 5
+4
Bright 4
+3
Bright 3
+2
Bright 2
+1