Canon MG7100 series Online Manual page 119

(2) Slide the paper guide
guides.
(3) Load the paper stack WITH THE PRINT SIDE FACING DOWN, and
place it in the center of the cassette (upper).
Important
Always load paper in the portrait orientation (C). Loading paper in the landscape
orientation (D)
Note
Align the paper stack with the edge of the cassette (upper) as shown in the figure
below.
If the paper stack is in contact with the protrusions (E), the paper may not be fed
properly.
If paper has print side (front or back), such as photo paper, load it with the whiter
side (or glossy side) facing down.
(A) in front and
can cause paper jams.
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(B) on the right to open the