Some driver archives host WIA (Windows Image Acquisition) drivers specifically modified or verified for Windows 7. UMAX usc 5800 Scanner Driver
Check and select Windows XP (Service Pack 3) . Check Run this program as an administrator and click Apply . Technical Specifications (Astra 5800) Interface : USB. Driver Type : TWAIN / WIA. Hardware IDs : USB\VID_055F&PID_0408 . Umax Astra 5800 Scanner Driver For Windows 7 64 Bit -UPD-
Microsoft ended mainstream support for Windows 7 years ago, and Umax (now part of imaging conglomerates) stopped providing official drivers for the Astra 5800 after Windows XP. This leaves Windows 7 64-bit users in a lurch—unless you know the right workarounds, patches, and updated community fixes. Some driver archives host WIA (Windows Image Acquisition)
How to use Umax Astra 5600 in Windows 7 64 bit? - Super User Umax Astra 5800 Scanner Driver For Windows 7 64 Bit -UPD-