Load envelopes in the paper tray.
About how to load envelopes, see Paper Specifications and Adding Paper for details.
Display the paper settings screen.
When using the standard operation panel
Press the [Paper Setting] key.
When using the Smart Operation Panel
Press [Home] () at the bottom of the screen in the center.
Press the [User Tools] icon () on the [Home] screen
Press [Tray Paper Settings].
Select the paper tray in which the envelopes are loaded.
Press [Manual Paper Settings].
Press [Envelope] in the "Paper Type" area, and then select the appropriate item in the "Paper Thickness" area.
Press the [Paper Size] tab.
Select the envelope size, and then press [OK].
Press [OK].
Close the paper settings screen.
When using the standard operation panel
Press the [Paper Setting] key.
When using the Smart Operation Panel
Press [User Tools] () on the top right of the screen.
Press [Home] () at the bottom of the screen in the center.