brother-mfc6490cw-cups : CUPS driver for Brother MFC-6490CW ( http://welcome.solutions.brother.com/bsc/public_s/id/linux/en/download_prn.html )
brother-mfc6490cw-lpr : LPR driver for Brother MFC-6490CW ( http://welcome.solutions.brother.com/bsc/public_s/id/linux/en/download_prn.html )
lexmark-ppd-common : CUPS files common to Lexmark drivers ( )
min12xxw : Driver for Minolta PagePro 1[234]xxW printers ( http://www.hinterbergen.de/mala/min12xxw/ )
Add an ebuild in portage :
The ebuild is now in the portage tree.
You can also use layman : emerge layman then layman -a printer-drivers
For Paludis use this rsync : rsync://gentoo.zugaina.org/printer-drivers-portage
If you have a problem : ycarus(-at-)zugaina.org