The HP Printer has a 'chip" that can recognize a non HP refill.
Simple solution:
1./ UNPLUG THE POWER CORD FROM THE PRINTER
2./ RECONNECT THE POWER CORD
3./ WHEN THE LIGHTS BEGIN TO FLASH, PRESS AND HOLD THE ON/RESUME AND PAPER SIZE BUTTONS ( I DID NOT HAVE PAPER SIZE BUTTON SO HELD DOWN THE ZOOM BUTTON
4./ WHEN ONLY THE ON/RESUME LIGHT IS FLASHING RELEASE THE BUTTONS.
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