Canon PIXMA MG2525 All-in-One Inkjet Printer (Black) - Manual (Page 43)

(3) Slide the paper guide (A) to the left, and load the paper against the far
right of the rear tray WITH THE PRINT SIDE FACING YOU.
(4) Slide the paper guide (A) to align it with the paper stack.
Do not slide the paper guide too hard against the paper. The paper may not be fed
properly.
Important
Always load paper in the portrait orientation (B) . Loading paper in the landscape
orientation (C) can cause paper jams.
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