: If you have the original driver disc or a downloaded XP/Vista driver, try installing it using Windows Compatibility Mode . Right-click the installer, select Properties , go to the Compatibility tab, and choose Windows XP (Service Pack 3) or Windows 2000 .
If you cannot find the driver on the Umax website, try the following alternative sources: Umax Usc 5800 Scanner Driver For Windows 7 64 Bit