Epson Perfection V500 - Manual (Page 159)

Select the settings that match your document. If you want to create a searchable PDF,
make sure Create searchable PDF is selected in the Text tab (for details on selecting
settings and other PDF options, click the Help button). When you are finished selecting
settings, click OK. You return to the File Save Settings window.
When you are finished selecting file settings, click OK. Click OK again to close the
Customize window.
Click the Scan button. Epson Scan starts scanning in Full Auto Mode.
Depending on how you started Epson Scan, the program saves the file to the location you
specified or opens the scanned image in your scanning program. See one of these sections
for details.