Canon MG7100 series Online Manual page 70

You can also directly enter a value linked to the slider. Enter a value in the range from -50
to 50.
Important
When the Grayscale Printing check box is checked for Quality & Media, the color
balance (Cyan, Magenta, Yellow) appear grayed out and are unavailable.
If you select ColorSync for Color Matching, then the color balance (Cyan, Magenta,
Yellow), Tone, Brightness, Intensity, and Contrast appear grayed out and are
unavailable.
Related Features
Specifying Color Correction
Adjusting Color Balance
Adjusting Brightness
Adjusting Intensity
Adjusting Contrast
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