Katie, please read my original posting. OCE does not allow any 3rd party software on their machines. Also, while it is OCE responsibility to develop print drivers for their machines, they need to know that you (Vectoworks) exists. After repeated calls to OCE, I can assure you that they have never heard of this product. Interestingly, your competition is working hand in hand with OCE to develop appropriate drivers for all of OCE's machines:
http://tss.oceusa.com/drivers/autocad.htm
How about a phone call to OCE to develop appropriate drivers for your product?