Konica Minolta 2430 DL - Manual (Page 18)

Specifying Print Settings 16
Grayscale
The Grayscale section is used to specify the grayscale settings to be used
when printing the image in grayscale.
„ Brightness
This specifies the brightness (lightness) of the printed image.
„ Contrast
This specifies the contrast of the printed image.
Black & White
The Black & White section is used to print a document in black and white
(monocolor).
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This section contains no options that can be set by the user.