Load envelopes in the paper tray.
About how to load envelopes, see Paper Specifications and Adding Paper for details.
Press [Home] () at the bottom of the screen in the center.
Flick the screen to the left, and then press the [User Tools] icon ().
Press [Tray Paper Settings].
Press [Tray Paper Size: Tray 1] or [Printer Bypass Paper Size].
Select the envelope size, and then press [OK].
Press [Paper Type: Bypass Tray] or [Paper Type: Tray 1].
Press [Paper Type].
Press [Envelope] , and then press [OK].
Press [Paper Thickness].
Select [Thick Paper 1] or [Thick Paper 2].
Press [OK].
Press [User Tools] ().
Press [Home] () at the bottom of the screen in the center.