Canon MF211 Manual page 144

2
Adjust the brightness or color.
Select settings to register as necessary.
3
Select [Add/Delete] in the drop-down list.
The [Add/Delete Tone Curve Settings] or [Add/Delete Threshold Settings] screen is displayed.
4
Enter a name into [Setting Name], and click [Add]
Enter a name for the settings to register. Use a name that is easy to find in the drop-down list.
Calling the registered setting
Display a preview image, and select the registered setting in the drop-down list.
LINKS
Configuring Scan Settings in Simple Mode
Scanning Using MF Toolbox
Scanning Using an Application
Adjusting Brightness and Color
[Save].