Canon MF247dw User Manual page 59

When loading envelopes or paper with a logo, see
Paper(P. 54) .
4
Align the paper guides against the edges of the paper.
● Slide the paper guides inward until they are aligned securely against the edges of the paper.
Align the paper guides securely against the edges of the paper
Paper guides that are too loose or too tight can cause misfeeds or paper jams.
5
Pull out the paper stopper to open.
Continue to Specifying Paper Size and Type(P. 56)
Basic Operations
Loading Envelopes(P. 52) or
51
Loading Preprinted