brscan-skey : Brother Brscan2 scan key tool ( http://welcome.solutions.brother.com/bsc/public_s/id/linux/en/download_scn.html#brscan2 )
brscan2 : Brother BRSCAN2 scanner driver for SANE ( http://welcome.solutions.brother.com/bsc/public_s/id/linux/en/download_scn.html#brscan3 )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a jmesmon
For Paludis use this rsync : rsync://gentoo.zugaina.org/jmesmon-portage
If you have a problem : ycarus(-at-)zugaina.org