Product: HP Printer 6600 HP All-in-One Printer series
Hi HP community, please help me with my HP 6600 printer problem. When I power on the printer it says “The printhead appears to be missing, not detected, or incorrectly installed”
I cleaned it, replaced it with new ink cartridges, and restarted/powered off the printer for more than 60 seconds. I also tried to updated the firmwar,e but it said the status was already up to date. How can I fix this problem? PLEASE HELP!
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