Printing On Envelopes - Canon Color Bubble Jet BJC-2000 Series User Manual

Do not try to load paper into the sheet feeder beyond the paper
limit mark ( ) on the left side or the tabs on both sides of the sheet
feeder; stacking too much paper may cause paper feeding or
printing problems.

Printing on Envelopes

You can stack up to 5 envelopes in the sheet feeder or you can manually
feed envelopes one at a time.
U.S. Commercial number 10 (COM10) envelopes, Canon envelopes, and
European DL envelopes are recommended. You may be able to stack
envelopes of other sizes in the sheet feeder; however, Canon cannot
guarantee consistent performance on envelope sizes other than COM10,
Canon, and DL.
Chapter 3
LOAD LIMIT MARK
Paper Handling 3-11