Epson WorkForce WP-4540 User Manual page 55

3. If necessary, select your product name as the printer you want to use.
Note: You may also need to select Properties or Preferences to view your print settings.
You see the Main tab of your printer settings window:
4. Select the Paper Source setting that indicates where you loaded the paper you want to print on.
5. Select the size of the paper you loaded as the Document Size setting.
Note: You can also select the User Defined setting to create a custom paper size.
6. Select the orientation of your document.
Note: If you are printing an envelope, select Landscape.
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