When printing on envelopes, load envelopes in bypass tray or Tray 1, 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 the [Paper Size] Press [OK]
Select the envelope size Press [OK]
Select the [Paper Type] Press [OK]
Select [Envelope] Press [OK]
For details about the envelope types that can be loaded in each tray, see Paper Size Specifications and Paper Type Specifications.
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 with Windows (PCL 6/PostScript 3), Printing on Envelopes with Windows (PCL 5c), or Printing on Envelopes with OS X and macOS.