Canon PRO-10 Series Manual page 722

You can adjust the color tone of the black and white image by clicking the color field.
You can also adjust by moving the sliders or by entering the X-coordinate and Y-coordinate values.
Darken white areas in the photo
Select this checkbox to darken the highlights in the image; it will be easier to distinguish the boundary
between the image and the paper.
Move the slider to the right to darken and left to lighten the color.
(2) Color Balance Area
Note
You cannot set when the Print Black and White Photo checkbox is selected in the Settings
area (Print Settings).
Move the sliders for Cyan, Magenta and Yellow to adjust the color balance.
You can set within the range of -50 to 50; move the slider to the right to increase and left to decrease.
You can also set by entering the values.
(3) Brightness/Contrast Area
Brightness
Move the slider for brightness to adjust the overall image brightness.
You can set within the range of -50 to 50; move the slider to the right to brighten and left to darken.
You can also set by entering the values.
Contrast
Move the slider for contrast to adjust the overall image contrast.
You can set within the range of -50 to 50; move the slider to the right to increase and left to decrease
the contrast.
You can also set by entering the values.
(4) Buttons Area
Defaults
Restores the settings made in Correction to the default state.
Pattern Print...
Displays the Pattern Print window from which you can print a pattern.
Pattern Print Window
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