Craig, I own the 4550 VCCE XLG model. To be honest with you I have not found it necessary to align this enlarger in the time that I have owned it (four years). I don't know that it has provisions for alignment or if it doesn't have provisions. These enlargers are generally recognized as being one of the most rigidly designed enlargers of recent vintage. I also own the Omega D2V and it is not comparable to the Saunders in anyway.