Canon imagePROGRAF iPF6400S User Manual page 274

Adjust the Colors while Checking the Preview (for Monochrome)
2
Select Auto (Monochrome Photo) in Output Profile.
3
Open the Color Settings sheet.
4
In Contrast, drag the slide bar toward Low.
5
In Highlight, drag the slide bar toward Light.
6
In Shadow, drag the slide bar toward Light.
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Note
7
Click the Curves button then click near the center of the curve.
274
You can change the numbers by inputting in numerical characters.
You can change the numbers by clicking either ▲ button or ▼ button.
iPF6400S
User's Guide