If only half the page is printing out, many things could be wrong. If the self-test page doesn’t print normally, there may be additional error lights on the printer. No need to go anywhere, just dial our hipline number or Toll free number: +44-800-051-3911. HP printer tech support gives you the step by step best solution in very easiest way. For more information visit our website: http://www.hptechsupport360.com/hp-printer-support/