Specify the contrast to print multi-level images (gray scale) within the range 1-1,000% in increments of 1%. The difference in appearance between the lightest and the darkest spots in the printed image increases if a value larger than "100%" is specified, and it decreases if a value smaller than "100%" is specified.
Conditions
This setting has no effect on two-level images (black and white only).
If the "contrast" printing option is specified, this setting is ignored.
This setting may be invalid on some color data.