The following shows adjustment examples. Be sure to check the printed image when changing values.
If the printed image is dark:
Increase the brightness by 20.
If the printed image is faint:
Decrease the brightness by 20.
If the printed image is too bluish:
Increase "Red" or "Magenta" by 20.
If the printed image is too reddish:
Increase "Blue" or "Cyan" by 20.
If the printed image is unclear:
Increase the contrast by 15.