I thing you never be able to configure it from Yast, but u can get it to work.
According to Brother Solutions Center : Brother Driver for Linux Distributions
Pre-required Procedure (3)
Related distributionsDebian, Ubuntu, openSUSE, RedhatRelated products/drivers Printer drivers for DCP-1000, DCP-1400, DCP-8020, DCP-8025D, DCP-8040, DCP-8045D, DCP-8060, DCP-8065DN, FAX-2850, FAX-2900, FAX-3800, FAX-4100, FAX-4750e, FAX-5750e, HL-1030, HL-1230, HL-1240, HL-1250, HL-1270N, HL-1430, HL-1440, HL-1450, HL-1470N, HL-1650, HL-1670N, HL-1850, HL-1870N, HL-5030, HL-5040, HL-5050, HL-5070N, HL-5130, HL-5140, HL-5150D, HL-5170DN, HL-5240, HL-5250DN, HL-5270DN, HL-5280DW, HL-6050, HL-6050D, MFC-4800, MFC-6800, MFC-8420, MFC-8440, MFC-8460N, MFC-8500, MFC-8660DN, MFC-8820D, MFC-8840D, MFC-8860DN, MFC-8870DW, MFC-9030, MFC-9070, MFC-9160, MFC-9180, MFC-9420CN, MFC-9660, MFC-9700, MFC-9760, MFC-9800, MFC-9860, MFC-9880 RequirementCreating a symbolic link is required before the installation (superuser authorization is required to run the command)
For Debian based distributions earlier than Ubuntu8.10, Debian5:
"ln -s /etc/init.d/cupsys /etc/init.d/lpd"
For Redhat based distributions and Debian base distributions greater than Ubuntu8.10, Debian5:
"ln -s /etc/init.d/cups /etc/init.d/lpd"
then download driver for your printer Licence Agreement
and follow this procedure Brother Solutions Center : Brother Driver for Linux Distributions