[dapper] can't access usb scanner as normal user???

[Ed Lau]

> I'm having trouble as a normal user to access my usb scanner. This is
> NOT a device I want reserved for sudoers... 
> 
> Can anyone tell me what I need to do to give scan permissions to ALL
> normal users???

Perhaps is there same problem as described here:
http://ubuntuforums.org/showthread.php?p=1421275

In other words - remove (or rename) the directory /etc/sane.d/dll.d

I hope, it helps...