Canon CLC5151 Reference Manual page 349

3
Squeeze the lever on the front guide, as shown below. Without
releasing the lever, slide the front guide to align it with the mark for the
desired paper size.
Front Guide
IMPORTANT
Adjust the guides correctly to avoid causing a paper jam, dirty prints, or make the inside of the
machine dirty.
4
Load the appropriate size paper into the paper drawer.
CAUTION
When loading paper, take care not to cut your hands on the edges of the paper.
5
Move the paper size slide on the left side of the paper drawer, so that
the arrow points to the paper size being loaded.
Paper Size Slide
Paper Size Marks
Paper Drawers
7
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