What does error code E4 mean on the HP Smart Tank 580?
Error code E4 indicates a paper jam. You should clear the jammed paper before resuming printing. For additional troubleshooting, HP recommends visiting hp.com/support. (Page 6)
From the official HP Smart Tank 580 All-in-One Printer manual, page 6
Have a follow-up question?
Answers from the official manual.
Common questions