error HP

Error Code Number of copies icon alternating between the letter E and number 3 with Resume light blinking, Power button light on

Carriage inside the printer has stalled.

? What Causes This

Print carriage jammed or obstructed by a foreign object.

✓ How to Fix It

Open the printhead access door, clear obstruction if present and ensure printhead latch is properly closed. Close the door and press Resume button to continue printing.

Source: page 50 of the official manual

From the manual

Manual page 50 — HP error Number of copies icon alternating between the letter E and number 3 with Resume light blinking, Power button light on

This error code appears in:

HP Ink Tank 310