HP Pro K8600 manual Persists, replace

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Light description/Light pattern	Explanation and
	recommended action

The Power light and one or more of the ink cartridge lights blink.

One or more of the ink cartridges are faulty or need attention.

	•	Ensure the
		indicated ink
		cartridge is
		properly installed,
		and then try to
		print. Remove and
		re-insert the ink
		cartridge a few
		times if necessary.
	•	If the error
		persists, replace
		the indicated ink
		cartridge.
The Power light is on, and one or more of the ink cartridge lights are	One or more of the ink
on.	cartridges are low on
	ink and will need to be
	replaced soon.
	Get new ink cartridges
	and replace the
	existing cartridges
	when they become
	empty.
The Power light is on, and the Resume and Out of paper lights blink.	The device is out of
	paper.
	Load paper and press
		(Resume button).
The Power and Resume lights are on, and the Door open light blinks.	The duplexer or rear
	cover is missing.
	Replace the duplexer
	or rear cover.
The Power, Resume, and Paper jam lights blink.	Print media is jammed
	in the device.

Remove all media from the output tray. Locate and clear the jam. For more information, see Clear jams.

Interpreting control-panel lights 75