Caver77: I was never successful in getting the Win 7 machine to talk to the XP shared Printer. I switched the printer over to the Win 7 machine, downloaded the Win 7 driver
from Lexmark. Printer worked fine. Shared Printer on Win 7. Opened the C:\Users\Public\ created new folder "XP Share". Went to XP Machine, deleted all the printers, rebooted, went to Start|Settings|Printers Faxes No printers visible. Clicked Add Printer Used the Connect to and typed \\Dellpc\Lexmark
8300 it connected and downloaded the (x86) driver. Clicked the print test page and almost fell out of my chair when the damn thing printed. Went to all the XP machines (5) and did the same thing, no problems so far. Qdos did the trick for me. Hope this works for you also, let us know.