It might be the network bit.
Is it plugged into a router with an ethernet cable, or into another computer with a USB and you're accessing it that way?

If its the former, we struggled to make our HP work and gave up, and changed to the latter and shared the printers over the network that way instead. It works.

That, or the wrong drivers, Gromit.
( mr_wicksy is.... old., Wed 27 Aug 2008, 9:28, archived)