Canon LBP3000 User Manual page 58

IMPORTANT
Always make sure the paper guides match the width of the paper. If the paper
guides are too loose or too tight, the paper will not feed properly and this will cause
paper jams.
6
Adjust the rear paper guide to match the paper
the tray cover
IMPORTANT
If you run out of paper and then refill the paper tray, the Paper Indicator will flash.
Press the (Paper Key) to resume printing.
Printing on Plain Paper, Heavy Paper, Label Paper, and Transparencies
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b
b
a
, and close
a
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