Load the envelopes face up in the multi bypass tray (Tray A).
Press [Tray A].
Make sure that [Paper Size] is selected.
Specify the envelope size, and then press [OK].
Press [Special Paper].
Select [Envelope], and then press [OK].
Place the originals, and then press the [Start] key.
For details about using envelopes, see Copying onto Envelopes.