Er, what? That's not how it works in the Unix model, which is the issue here. To get printing support from _any_ application should simply be a question of getting cups/lpr ported and installed, as has already been mentioned by another poster. The applications simply have to send a file (postscript of pdf, typically) to the printer socket (or even just exec'ing the lpr app with a temp file, for a quick hack). Seen from the application point of view this is extremely simple when compared to the way it is (or used to be, at least) in typical Windows applications. The applications that don't have ps or pdf support integrated (e.g. email, notepad stuff) would need to add that, although it's also possible to just print raw files, if your network printer supports it.