Canon laser Shot LBP 3300 Getting Started Manual page 38

IMPORTANT
Do not touch the black rubber pad (A) in the paper cassette. This may
result in misfeeds.
2
Remove the tape that secures the packing material in the
paper cassette (2 locations).
Step
6
38
3
(A)
4
Remove the packing material in the paper cassette.
IMPORTANT
The paper cassette is provided with a packing material. Be sure to take out
the paper cassette to remove the packing material.
Set the paper cassette in the paper feeder.
Push the paper cassette into the paper feeder firmly until the front side of the
paper cassette is flush with the front surface of the paper feeder.