I have an HP OfficeJet. I have an HP OfficeJet K Series K60 and it keeps telling me to clear the

Question

I have an HP OfficeJet K Series K60 and it keeps telling me to clear the paper jam and then press enter, however there is no paper in it all and I'm unable to clear this error message and can't use any of the functions i.e printer, fax, scanner or copier. Please Help!!!!!!