If the manual driver doesn't work, these applications are designed to support older scanners on newer systems:

Select .

(free trial, but paid after — see note )

Select or Windows Windows 7 from the drop-down menu.

The core issue is that the UMAX USC 5800 was manufactured before Windows 10's release. The manufacturer hasn't released dedicated drivers for modern operating systems, which is common for many legacy peripherals.

× umax usc 5800 scanner driver for windows 10 free download