Epson B 310N - Manual (Page 42)

Basic Printing 42
6. Select Print Settings from the pop-up menu.
7. Make the settings that you want to use to print. See online help for details of Print
Settings.
& See “Selecting the Correct Paper Type or Media Type” on page 28.
After completing the steps above, print one test copy and examine the results before
printing an entire job.
Printing on Envelopes
Loading Envelopes
Refer to the section below for loading envelopes.