Printing on Envelopes Using the Printer Driver
Before configuring envelope settings in the printer driver, configure the control panel settings.
For details see Configuring Envelope Settings Using the Control Panel.
Click the menu button of the application you are using, and then click [Print].
Select the printer you want to use.
Click [Preferences].
In the "Document Size:" list, select the envelope size.
When using the PCL 5e printer driver, click the [Paper] tab, and then select the bypass tray in the "Input Tray:" list.
In the "Input Tray:" list, select the paper tray where the envelopes are loaded.
In the "Paper Type:" list, select [Envelope].
Change any other print settings if necessary.
Click [OK].
Start printing from the application's [Print] dialog box.