I'm not emulating a Mac on the RPi, I'm just adapting it to Raspbian. I think I'll try with my Retina MBP. I may try with my 700MHz iBook G3 some day.

edit: I don't want to buy a new printer since they cost >$80. Edit #2: I'll try Netatalk. Edit #3: I DIDN'T USE GHOSTSCRIPT!!