Load envelopes in the paper tray.
About how to load envelopes, see Preparation for details.
Press [Tray Paper Settings] on the upper left of the screen.
Select the paper tray on the [Paper Tray] tab in which the envelopes are loaded.
When specifying the paper type or weight of envelopes as you want, check that [Manual Setting] is selected.
When specifying the paper settings for envelopes by allocating from a registered custom paper, select [Allocate from Media Catalog], select custom paper to use, and then press [Allocate to Tray].
When specifying the setting values manually, proceed to the next step. After allocating the setting values from the media catalog, proceed to Step 9.
Press [Edit the Settings].
Press [Paper Size], and select the envelope size.
Press [Paper Weight], and select the paper weight of the envelope.
Press [Paper Type], and select the appropriate item.
Press [Save Paper].
Press [Home] () at the bottom of the screen in the center.