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error HP
Error Code Number of copies icon blinking E3 and resume light blinking, power button light on
The carriage inside the printer has stalled.
? What Causes This
Carriage obstruction or mechanical failure.
✓ How to Fix It
Open printhead access door, ensure correct closure of printhead latch and no obstruction to print carriage, move carriage manually once opened, press resume button to continue printing.
Source: page 23 of the official manual
From the manual
This error code appears in:
HP Ink Tank Wireless 416