Canon BJC-4400 - Manual (Page 41)

Paper Handling
Chapter 3 Paper Handling 3-15
❍ Arrange the stack of envelopes on a firm surface and press
down firmly on the edges to make the folds crisp.
❍ Press all the way around the envelopes to remove any
curls and expel air from inside the envelopes.
❍ Make sure any curls are removed from the flap of each
envelope.
Prepare the
envelopes.
Make sure the
paper support
is raised, and the
paper output tray
is extended.
PRESS DOWN FIRMLY ON
THE EDGES OF THE FLAP