Canon Satera LBP8610 User Manual page 63

5
Set the paper cassette in the printer at an angle, and then
push it into the printer gently and horizontally.
Push the paper cassette into the printer firmly until the front side of the paper
cassette is flush with the front surface of the printer.
If the paper feeder is installed, set the paper cassette of the paper feeder also.
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CAUTION
When setting the paper cassette in the printer, be careful not to catch your
fingers.