Before installing new drivers, clean up old ones:
Right-click on and select Uninstall device .
The first result was a Reddit thread from 2021, archived, with a single upvote. The second was a desperate plea on a tech support forum that ended with “SOLVED: I bought a new scanner.”
A premium scanning software that contains its own built-in drivers for the FS-1120MFP, bypassing the need for Kyocera's official software entirely. Frequently Asked Questions Can I scan over Wi-Fi with the FS-1120MFP?