After creating a document, open the [Printing Preferences] dialog box in the document's native application.
For details about displaying the [Printing Preferences] dialog box, see Displaying the Printing Preferences dialog box in an application.
In the "Input Tray:" list, select the paper tray where the envelopes are loaded.
In the "Document Size:" list, select the envelope size.
In the "Paper Type:" list, select [Envelope].
Change any other print settings as necessary. For details, see the printer driver Help.
Click [OK].
Start printing from the application's [Print] dialog box.
Configure the paper settings appropriately using both the printer driver and the control panel. For details about settings using the control panel, see Configuring envelope settings using the control panel.
Envelopes must be loaded in a specific orientation. For details, see Loading Envelopes.