*I agree with those above who deplore Fujitsu’s policy of “obsoleting” perfectly good scanners.
The problem is even worse, however. The new 64-bit software comes with restrictions that substantially limit the traditional concept of ownership of property. The new software apparently is licensed to only one computer and cannot be shared among computers.*
Not mentioned in this thread is VueScan App. It may help some users.
This app owes it life to scanners that lose the support of their original manufacturers. I have a copy on my iMac which was purchased many years ago. VueScan claims it is compatible with 5831 scanners from 42 scanner manufacturers. It is compatible with 116 Fujitsu drivers - see
https://www.hamrick.com/vuescan/fujitsu.html#scanner-drivers