I am unsure how tech savvy you are and I can't find the specs for the actual printer, but here's a key driver for it.
http://www.dell.com/support/drivers/us/en/04/DriverDetails?driverId=R153050 I don't know if the printer is usb or wireless. If it's wireless and connected to your network Bonjour could probably see it as well, though you haven't said much about the context in which you're having this problem.