i have found this: http://www.linuxprinting.org/download/p ... msung-gdi/
which appears to be everything i need to get the gdi driver working in slackware so i can print to my Samsung ML-1210 printer, which worked under fedora out of the box.
I can't understand what i am supposed to do with all that stuff to get it to "go" though! is it obvious to anybody? i am exposing my own ignorance, but i can't understand it at all.