http://search.hp.com/query.html?charset=iso-8859-1&la=en&hpvc=sitewide&qs=&nh=10&lk=1&rf=0&uf=1&st=1&qt=zt1152&submitsearch.x=2&submitsearch.y=4
http://h10025.www1.hp.com/ewfrf/wc/product?cc=us&dlc=en&product=81327&lc=en&jumpid=reg_R1002_USEN
You can chat on line with a Hp technician who may be able to help - usually more effective than ringing HP - and it's free.
good luck
mark
December 2006