Have you tried this workaround described in bug https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1741977 message #4? Are you using USB3 socket? Does it work on USB2?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1779185 Title: Brother MFC-9440CN will not scan with 18.04 LTS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/1779185/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs