bought it used.. its been working on our computer for months.. it had xp on it (32 bit).. we went and bought a brand new computer with windows 7 (64 bit).. I have all these books for the printer and everything, and i am following directions as best I can except for trying to convert it to windows 7 terms. the printer was brand new 8-1-07, we have had a tech come out and service everything right before we bought the new computer less than 2 weeks ago.. now this suuuccckkksss