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HP Photosmart 5510 Printers - Black Ink Not Printing and Other Print Quality Issues | HP® Customer Support
![HP Photosmart 7520 does not print black; black (non-photo) is completely absent; cartridge is fine as this continues after putting in a new one; cleaning the 4 metal contacts on seating doesn't HP Photosmart 7520 does not print black; black (non-photo) is completely absent; cartridge is fine as this continues after putting in a new one; cleaning the 4 metal contacts on seating doesn't](https://preview.redd.it/wv0xqeska6b81.jpg?width=640&crop=smart&auto=webp&s=4db03114ec89eeff08dae106ec61246bb268b821)
HP Photosmart 7520 does not print black; black (non-photo) is completely absent; cartridge is fine as this continues after putting in a new one; cleaning the 4 metal contacts on seating doesn't
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