Good that there are such products! Now I can my old HP Laserjet 6P (vintage) even re-run the network under Win7. Under XP, I had a print server, which unfortunately does not work under Win7. Side cover at 6P on, Centronic plug away, plug Print Server - power and Ethernet cable, and connected to it by the simple instructions. Perfect cover running perfectly, again, and now looks as if there never had been something else. I can only recommend for old printer.