From the 98 machine. Add a printer (from Start - Printers, choose Network Printer and when asked browse to the printer attached to the XP machine. You will more than likely need during the add printer wizard to add the drivers to the 98 machine. If the drivers are capable of setting up a network printer then you should be OK. Keep in mind that some printers are not able to work across a network due to driver limitations. You may be able to get updated drivers from the manufacturer's website.