When two or more sheets of paper feed at once, the machine stops and a warning message appears on the display.
To use the Double Feed function, select [On] in "Double Feed Warning" with User Tools. See System Settings.
Double Feed function may not detect the paper properly when:
there is a mixture of different colored paper
there is a mixture of paper of differing thickness
Double feed is possible with paper size from A6 to A3, 11 × 17.