Scanner Server
From Amahi Wiki
Preventing permissions issues
Here are a couple of web sites discussing how to fix permission issues:
http://www3.sane-project.org/README.linux
http://reactivated.net/writing_udev_rules.html
Also:
http://n2.nabble.com/Automatically-grant-user-permission-to-use-USB-scanner-in-F11-x86-64-td3374924.html
I'm not sure if that's just Fedora 11, or if it applies to 10 as well. I'll keep looking.