Support for anything below OSX 105 Leoopard is not being offered on the current Brother tech support site or CD's shipped with their printers,however this archived site has the HL-2140 driver for OSX 10.4 http://welcome.solutions.brother.com/bsc/public/us/us/en/dlf/download_index.html?reg=us&c=us&lang=en&prod=hl2140_all&dlid=&flang=English&os=26&type2=1
Just download the file to yoru desktop and once downloaded double click it to run the setup and follow the prompts
Let us know if you have any issues
Glad that worked for you.
I noticed you said you were looking for Safari, http://www.tucows.com/preview/298450
And Opera http://www.versiontracker.com/dyn/moreinfo/macosx/10527779
If you have any other issues let me know