Our fairly new wireless router has two(2) USB ports that claim they can be used as printer ports. What is the success rate and experience(s) of using these USB ports on the router, as a printer port?

Cany anyone enlighten me on some major differences between using LPR vs Raw TCP ports in Windows? I am moving all printers over to a new 2003 R2 server, and thought it would be a good time to find ...