Do not plug the USB cable in before running the installer. If you plug the device in first, Windows may install a generic "plug-and-play" driver that lacks full functionality.
Manufacturer updates close firmware vulnerabilities that hackers could exploit to access your local network. Supported Operating Systems Toshiba E Studio 2309a Scanner Printer Driver Free
or a complete failure of the TWAIN/WIA scanner interface. Do not plug the USB cable in before running the installer