If Method 1 fails (especially on Windows 7 64-bit), stop fighting the OS. by Hamrick Software is a third-party scanning application that bypasses the Windows driver system entirely. It talks directly to the scanner’s hardware.
The Umax Astra 4100 on Windows 7. It requires third-party TWAIN-based software (VueScan, SaneTwain) or a virtualized Windows XP environment. The simplest and most reliable solution for most users is VueScan (commercial). For a free but more technical route, use SaneTwain .
Compassion UK Christian Child Development, registered charity in England and Wales (1077216) and Scotland (SC045059). A company limited by guarantee, Registered in England and Wales company number 03719092. Registered address: Compassion House, Barley Way, Fleet, Hampshire, GU51 2UT.