If xsane have started first time by sudo, the .sane -directory might be owned by root now. And so xsane doesn't find your scanner. Try to delete the .sane -directory in your home folder.
http://ubuntuforums.org/showthread.php?p=1651194#post1651194
If xsane have started first time by sudo, the .sane -directory might be owned by root now. And so xsane doesn't find your scanner. Try to delete the .sane -directory in your home folder.
http:// ubuntuforums. org/showthread. php?p=1651194# post1651194