One Man’s Problem Getting His Printer To Work With Vista - Amazing! 
lockergnome.com | by Ron Schenone | Fri, Jun 20
Mr. Walling is not alone in encountering the problem. Dell has since published a patch (dated Feb. 19) that removes a Windows XP printer driver from a Windows Vista machine, allowing for a clean installation of the new driver. That’s how White fixed Mr. Walling’s machine.