Canon W7250 - Manual (Page 38)

Print Media You Can Use
12
2-12
Important
8
Push in the roll release lever to release the paper guide.
9
Pull up the leading edge of the roll media, and then from above pass
the sheet past the paper guide as shown in the illustration.
Hold the roll media near the left and right side of the leading edge, then
insert it.
z The bottom surface of the paper guide has a finish to prevent slipping. The roll
media must pass over the top of the paper guide before it is inserted.