Try using the PCL 6 HP Universal Print driver for XP here: http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareIndex.jsp?lang=en&cc=us&prodNameId=3271558&prodTypeId=18972&prodSeriesId=503548&swLang=8&taskId=135&swEnvOID=228
This will make the basic functions of 90% of HP's range of printers work. It's worth a shot. It will not include some of the advanced features that may be available with your printer, but if it works, it'll allow you to print, which is better than nothing.