I have a HP Officejet Pro 8600 Premium Printer, Fax, Scan, Copy Web machine, the printer will now not print. The error message says "Printhead missing, not detected or improper install"? I tried to fix by removing and replacing each of the ink cartridges and then pulling out the entire ink cartridge holder and putting it back in place but I am still getting the same error messages even after shutting off and restarting the computer?
I even checked for and found no paper jams?
Please advise what else I can do to get the printer up and running? I need it for my home business!
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