HP Photosmart 7520 will not print black or colors. Cartridges and printhead have been replaced.
Product: HP Envy All-in-One
Operating System: Microsoft Windows 10 (64-bit)
Please help! My HP Photosmart 7520 e series quit printing black. I replaced the ink cartridge, cleaned the printhead, turned the printer on and off, unplugged the printer, replaced the printhead and now, none of the colors will print. Thank you.