To make it easier, here is a link to people having the same problem and a MUCH longer problem diagnostic and attempt to recitfy process...
http://forums11.itrc.hp.com/service/forums/questionanswer.do?admit=109447626+1230014282898+28353475&threadId=920091As I dont have access to your specific printer, its difficult for me to know exactly where to ask you to click to view the settings.