Click the WordPad menu button in the upper left corner of the window, and then click [Print].
In the [Select Printer] list, select the printer you want to use.
Click [Preferences].
In the "Document Size:" list, select the envelope size.
In the "Input Tray:" list, select [Bypass Tray].
In the "Paper Type:" list, select [Thick (106 to 157 g/m2)].
Change any other print settings if necessary.
Click [OK].
Start printing from the application's [Print] dialog box.