When printing on envelopes, load envelopes in Tray 1 or bypass tray, and then follow the procedure below to specify envelope type and thickness.
Press the [Menu] key, and then select the setting items using the [ ] or [ ] key.
Select [Paper Input] Press [OK]
Select [Paper Size: (tray name)] Press [OK]
Select the envelope type. Press [OK]
Select [Paper Type: (tray name)] Press [OK]
Select [Envelope] Press [OK]
For details about how to load envelopes, see Loading Envelopes
Configure the paper settings appropriately using both the printer driver and the control panel. For details about paper settings using the printer driver, see Printing on Envelopes.