This document is for HP ENVY 7640, 7642, 7643, 7644, Officejet 5740, 5741, 5742, 5743, 5745, 5746, and Officejet 8040 e-All-in-One printers.
During a print job, the printer stops feeding pages, and a Paper is jammed in the printer. Clear the jam, and then touch "OK." error message displays on the printer control panel. You might also see other related error messages, such as The photo tray is blocked. 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.