Try some of the things to fix Hp Printer not printing black

Turn off your printer first
Unplug the power cord and disconnect the USB cords.

Sometimes, reconnect your printer and plug it back in and switch your printer on Print a "Quality Diagnostic Report" or "Print Test Page" Check the ink level of the printer if the ink is small or void.

CHECK YOUR INK CARTRIDGE

Replace the ink bottles if the ink is lower or empty.
Make sure that the ink cartridges are held in a location and correctly mounted in their suitable cabinet.
Double check to ensure that you have taken the tape over the ventilation when you have a fresh cartridge.
Use another ink cartridge to determine whether your printer can acknowledge cartridges.

Check your Head of Print

1. If it doesn't work to change ink cartridges, the next thing to check is your printhead. Make sure you're not clogging your printheads. Most printers have an automatic printhead cleaning function, but you can dry it continually if you can remove the printhead from your printer.

2. If you do not operate the automatic printhead cleaning function once, run it a second or third time again. The quantity of times it is possible to operate the automatic washing function is limited. Not to be reminded, it utilizes a lot of ink to run the automatic printhead cleaning feature that helps.