Thank you Ralf!!! Your recommendation fixed the problem. I have added your and Andy's input to the Linux Mint tutorial thread for others to utilize.
https://forums.linuxmint.com/viewtopic.php?p=2632549#p2632549 Don Pitcher On Wednesday, May 21st, 2025 at 12:28 PM, Ralph Little <skelb...@gmail.com> wrote: > Hi Don, > Someone here very recently had exactly the same problem with the brother3 > backend driver from Brother. > Basically, their backend is very good, but things have moved on in the Linux > world since it was built by them which has introduced some incompatibilities. > > There are a number of issues: > > 1) Linux Mint (and Ubuntu upon which it is based) puts its platform-specific > shared objects in a different place. So the installed shared objects cannot > be found. The package puts them in /usr/lib64 whereas Ubuntu/Mint expects > them in /usr/lib/x86_64-linux-gnu. You can add symbolic links in > /usr/lib/x86_64-linux-gnu to the files installed into /usr/lib64. One way is: > > sudo ln -s /usr/lib64/sane /usr/lib/x86_64-linux-gnu/sane > > 2) libusb has changed. The package needs an old version, which is still > available in the repo. Try this: > > sudo apt install libusb-0.1-4 > > OK, so now you should be able to see a device from scanimage -L. The device > class is called "brother3" not "brscan3" BTW. > > I just worked through this sequence on my fresh install and it seems to work > for me. > > Let us know how you get on. > > Cheers, > Ralph > > On Wed, May 21, 2025 at 8:29 AM Don Pitcher via sane-devel > <sane-devel@alioth-lists.debian.net> wrote: > >> Hello SANE-dev , >> >> I am troubleshooting a problem with SANE scanimage unable connect to a third >> party driver (backend). I have exhausted all resources that I know of to >> solve this problem. Could you take a moment to review my post on the Linux >> Mint forum to help guide me to a helpful resource? >> >> $ sudo scanimage -d brscan3 -T >> Output format is not set, using pnm as a default. >> scanimage: open of device brscan3 failed: Invalid argument >> >> https://forums.linuxmint.com/viewtopic.php?p=2632488#p2632488 >> >> Thank you, >> >> Don, aka: sk8board
