Canon PIXMA TS5353 Online Manual page 88

If the paper stack is in contact with the protrusion (G), the paper may not be fed properly.
6. Slide front paper guide (C) to align it with paper stack.
Align paper guide with where it clicks into place.
7. Slide right paper guide (D) to align it with paper stack.
Do not slide the paper guide 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 (H).
• Keep the paper stack height below the tabs (I) of the paper guides.
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