Ignore third-party "driver updater" sites. They’ll give you malware and a 2015-era INF file that blue-screens your controller.
https://www.fujitsu.com/global/support/products/computing/peripheral/scanners/drivers/ Search "fi-7180" → Select your OS → Download PaperStream IP T2.6+ . fujitsu fi-7180 scanner driver download
Scan smarter.
If you’re here for a quick link, I’ll save you the clickbait: go directly to the official Ricoh/Fujitsu Global Download Center (Ricoh acquired Fujitsu’s scanner division in 2022). But if you want to avoid blue screens, paper jams disguised as driver errors, and the silent hell of generic Windows images, read on. Ignore third-party "driver updater" sites