Canon PIXMA MP830 - Manual (Page 37)

Chapter 1 35 Before Printing
2
Slide the Paper Guides against the sides of the envelope.
3
Press [Feed Switch] so that the Cassette Lamp lights.
4
Select [Envelope] in [Media Type], and then select [DL Env.] or [Comm. Env. #10] in
[Page Size].
For information on the printer driver settings, refer to the Printer Driver Guide.
Note
Fold the envelope flap shut (A).
Note
Printing direction (B).
(A)
1
2
3
(B)