It claims to support Linux. The manual on the CD gives instructions on how to run the install shell script on the CD. Unfortunately, the file named is not in fact on the CD, nor on the other CD. The web page for submitting email to Samsung support has a link labeled "Download - Linux." It takes you to a page with a big "!" and "Page Not Found" on it.
I am now well and truly ausgepissed.
As I stated in my email, if I don't get a URL from which I can download the pertinent driver, I take it up with the Iowa Attorney General. It may take a free upgrade to a CLP-550N, which knows from PostScript, to make me happy at this point.