The free version places a watermark on scans. The paid “Professional” version (approx. $50) removes watermarks and includes lifetime updates. Considering the age of the hardware, this is the most future-proof solution.
Use VueScan. Your sanity will thank you. bearpaw 1200cu plus drajver windows 10 x64
Once you have any working driver (even a buggy one), these free applications can trigger scans: The free version places a watermark on scans