Epson Perfection V500 - Manual (Page 154)

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.
Click OK again, click Close, then click Scan or press the Start button on the scanner.
Epson Scan scans your page.
If you are scanning multiple pages, replace the first page on the document table with the
second page and click Scan or press the
Start button again. Repeat this step for each
page in your document.