Canon i550 Quick Start Manual page 6

Basic Printing
2
Preparing to Load Paper
(3) Open the front cover and adjust the paper thickness lever to the correct position
for the media in use.
Move to the left position for plain paper.
Move to the right position for envelopes, Banner Paper and T-Shirt Transfers.
4
(1) Open and pull out the
paper rest.
Open the cover and pull out
(2)
the paper output tray.