VueScan works with the Epson ME340 on Windows, Mac OS X and Linux.
You need to install an Epson scanner driver to use this scanner on Windows.
You can use this scanner on Mac OS X and Linux without installing any other software.
Epson sold this scanner in some countries as the Stylus NX130 / Stylus SX130 / Stylus TX130.
If you have an iPad, iPhone, Android phone/tablet or Kindle Fire, you can use VueScan Mobile with WiFi scanners or the built-in camera to scan documents.