Canon MG7560 Online Manual page 258

Prevent paper abrasion
The printer can increase the gap between the print head and the paper during high-density printing
to prevent paper abrasion.
Check this check box to prevent paper abrasion.
Align heads manually
Usually, the Print Head Alignment function of Test Print on the pop-up menu in the Canon IJ
Printer Utility is set to automatic head alignment, but you can change it to manual head alignment.
If the printing results of automatic print head alignment are not satisfactory,
alignment.
Check this check box to perform the manual head alignment. Uncheck this check box to perform the
automatic head alignment.
Don't detect mismatch of paper settings when printing from computer
When you print documents from your computer and the paper settings on the print dialog and the
cassette paper information registered on the printer do not match, this setting disables the message
display and allows you to continue printing.
To disable detection of paper setting mismatches, select this check box.
3. Apply the settings
Click Apply and when the confirmation message appears, click OK.
The printer operates with the modified settings hereafter.
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perform manual head