This document is for HP DeskJet 3630, 3631, 3632, 3633, 3634, 3635, 3636, 3637, 3638, 3639, DeskJet Ink Advantage 3635, 3636, 3638, and DeskJet Ink Advantage Ultra 4729 All-in-One printers.
During printing the printer stops feeding pages and the control panel displays an alternating E and 4, and the Error icon , Paper Error icon , and Ink Alert light blink. This indicates that paper might be jammed inside the printer.
note:Paper jams can be real or false. The printer might report a paper jam even when there is no jammed paper. The following steps apply to both real and false paper jams.