HP Officejet 4622 light flashing

then on the power button continues to Flash, it will display says turn off power off the coast. I press the power button and nothing...

Try to perform a hard reset on the Officejet 4622.

Hard Reset:
Unplug the unit when turned on
Disconnect the other end of the power cord from the wall jack directly
* Wait 30 seconds
* Plug the unit back to

Also check the steps described in the document, found here, on what to do when the printer won't turn on or respond.

Let me know how it goes.

Tags: HP Printers

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