Summary: If you need a powerful small printer for your office, this is it. I needed a spare printer for my office with Twain drivers as I print 2-300 page document packages very often and daily. This one is perfect. And, the ink cost if you use a compatible is about two cents a page. I am very happy with it and highly recommend. Shipping was fantastic. The company called me about my warranty information and told me they were shipping the follwing day.
Summary: I have a Canon MF 5550 which is great except that it is hard to use it sheet feed anything other than standard paper (e.g. envelopes) and was not Windows 7 compatible. What I really needed was a double-sided printer that could also print envelopes and card stock and that would be Window 7 compatible. This printer really fits the bill and is fairly quick. It also goes into sleep mode to save electricity.