Universal driver for Samsung printers and MFPs. Theoretically should be suitable for all printers and MFPs from Samsung.
Despite the fact that the site mustek.com earned well, just in case I post the driver on Mustek ScanExpress A3 USB 1200 Pro.
Like many manufacturers, the company Zyxel "scored" to support some of its products. So the Zyxel P-630S EE modem did not develop drivers for Windows 7. Fortunately, there are drivers for Windows Vista on the official site.
Many years ago, Mustek scanners were popular. The popularity passed, nothing was heard about the company, but the scanners remained. And they need drivers for new operating systems.