Okay, the project is expanding for me!!

I have 500 identical printers, which are going to be installed now, and each have their own TCP/IP address on the network. [Users will not have direct access to these printers.]

A user will request a form from their desktop via a web form and one will print out to their area from the server machine, which has access to all 500 printers in various locations.

I need to be able to call the Driver for the printer [it will always be the same, since all the printers are identical], and then I need to be able to send the PDF document to whatever TCP/IP port I decide appropriate for that user from database transactions I will create.

So here is all I need for this process to be automated.... How can I print to an ever-changing printer port, using the same printer driver, without having to map all 500 printers to the NT server?