• If the roll papers loaded in the upper and lower levels are different media types, the document is
printed on the roll paper that matches the media type specified in the print job.
If the document is being rotated 90 degrees for printing and the roll papers loaded in the upper
and lower levels have different widths and different media types, set the correct combination of
width and media type so that they match one of the roll papers loaded in the printer.
9. Complete the setup
When you print, the paper source is switched automatically to roll paper.
• On the operation panel, if Device settings -> Paper-related settings -> Roll paper auto switching
is set to Do not identify size, the document may be printed on the unintended roll paper. Canon
recommends that you set this setting to Identify size before you print.
• 2-level roll switching is not possible when the paper rolls being fed on the platen are not compatible
with automatic cut-off. For checking which types of paper are compatible with automatic cut-off, look
up the paper you want to use on the "Paper Information List."
• For details about how to switch the source levels depending on the print job, see
Printing by Saving Paper
Depending on the paper size that was specified in the print job, the printer automatically identifies the roll
paper that will produce the smaller margins.
Whether or not the page is rotated 90 degrees, the printer prints using conditions that produce the
smallest paper margins from among the Roll1 and Roll2 combinations.
"How to Switch