Canon imagePROGRAF iPF610 User Manual page 264

Print quality and color settings
8.
E
Click Advanced Settings to switch the print mode.
9.
Click Monochrome in the
10.
I
Click Set to display the Color Settings dialog box.
11.
Adjust the Brightness, Contrast, and other settings on the Color Settings pane.
250 Enhanced Printing Options
H
Color Mode list.