Comment 31 for bug 217571

Here's what I had to do to get scanning working again after upgrading from Ubuntu 9.04 to Ubuntu 9.10:

- uninstall drivers (sudo apt-get remove brscan2)
- reinstall

=> voila! I can scan as root using "sudo gscan2pdf"

When I try to run "gscan2pdf" as non-root, it never completes the "Fetching list of scanners" operation...