how to add brother mfc drivers to repositories

How may I add Brother MFC 5840cn to the Ubuntu repositories for easier printer, scanner, and pc fax set up and use?

I've been able to get printer drivers to work using Synaptic to install and once I got Xsane to use the scanner in Ubuntu 9.04 using Xsane 0.995. However this I see was upgraded to Xsane 0.996 and scanner quit working. I see no way to down grade back to 0.995 in repositories. PCfax has never worked probably because of something to do with open office. Sure would be nice to use hardware without having to dual boot!
I would like to get scanning and pcfax working in 9.04 and 9.10 How to help pleeeeeeeeez???