You should get rid of that old thing, and upgrade to a early/mid-2000s HP LaserJet 2300d. It's about the same size, but it's far faster at printing (especially graphics), has a USB interface, you can add a JetDirect 10/100 ethernet card, and is a true Postscript printer. It's also extremely reliable, and the ink cartridges are cheap on Ebay.

The 2400 series (which replaced the 2300 series) looks pretty good too, and has built-in ethernet (no extra card needed), but that's when they switched manufacturing to China, so I don't know how reliable it is.