Canon MX920 Series Online Manual page 57

(2) Slide the paper guide
(3) Load the paper stack WITH THE PRINT SIDE FACING DOWN, and place it in
the center of the cassette (upper).
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 (C), 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.
(4) Align the paper guide
For standard sizes, align the paper guide
(5) Slide the paper guide
sides of the paper stack.
Do not slide the paper guides too hard against the paper. The paper may not be fed properly.
Note
Do not load sheets of paper higher than the load limit mark (D).
Keep the paper stack height below the tabs
(6) Insert the cassette (upper) into the machine.
Push the cassette (upper) all the way into the machine.
(A) in front and (B) on the right to open the guides.
(A) in front with the paper stack.
(A) with where it clicks into place.
(B) on the right to align the right and left guides with both
(E) of the paper guides.