Canon PIXMA MG4200 Series On-Screen Manual page 878

To set by using the operation panel
Press the HOME button, select Setup, Device settings, and Print settings in this order, and
then set Prevent paper double-feed to ON.
Changing the Machine Settings on the LCD
To set by using your computer
In the Canon IJ Printer Utility, select Custom Settings in the pop-up menu, select the Prevent
paper double-feed check box, and then click Apply.
To open the Canon IJ Printer Utility, see
Note
Printing speed will be reduced if Prevent paper double-feed function is enabled.
Check 7: Clean the paper feed roller.
Cleaning the Paper Feed Roller
Note
Cleaning the paper feed roller will wear the roller, so perform this procedure only when
necessary.
Opening the Canon IJ Printer Utility.
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