Canon S400 Reference Manual page 38

Windows
5
Click the Page Layout tab, then select "DL Env. 220.0 x 110.0 mm" or "#10
Env. 241.3 x 104.6 mm" in the Page Size.
Normally you can set the envelope size with the application program. How-
ever, if the setting on the Page Layout tab does not match the setting in the
application program, change the setting here.
Macintosh
5
Select "DL Env. 220.0 x 110mm" or "#10 Env. 9.50 x 4.12 in" for the enve-
lope size.
Normally you can set the envelope size with the application program.
Start the print job.
6
Remove each printed envelope as it is ejected from the printer.
Printing on Paper and Other Media
Using Envelopes
38