Load envelopes onto the bypass tray.
About how to load envelopes, see Paper Specifications and Adding Paper for details.
Press the [User Tools/Counter] key.
Press [System Settings].
Press [Tray Paper Settings].
Press [
].
Press [Printer Bypass Paper Size].
Select the envelope size, and then press [OK].
Press [Paper Type: Bypass Tray].
Press [Paper Type].
Press [Plain Paper], and then press [OK].
Press [Paper Thickness].
Press [Thick Paper], and then press [OK].
Press the [User Tools/Counter] key.