Printing From Start to Finish
9
Loading Envelopes
1. Load up to 10 envelopes, short edge first and printable side up.
Tip: For best results, press each envelope flat before loading it, or load one 
envelope at a time.
2. Place the envelope’s flap edge against the right edge of the sheet feeder, 
behind the tab. 
3. Press the locking tab on the left edge guide and slide it against the envelopes.
Before you print, make sure you choose the correct envelope size as the paper 
Size 
(Windows) or 
Paper Size
 (Macintosh) setting and 
Landscape
 as the Orientation. 
See page 11 (Windows), page 12 (Macintosh OS 8.5.1 to 9.x), or page 14 
(Macintosh OS X) for instructions.
Load with the 
printable side up