If your HP printer is not printing black ink, start by checking the ink levels and replacing empty cartridges. Ensure the black ink cartridge is properly installed and remove any protective tape. Run the printhead cleaning utility from the printer settings to clear clogged nozzles. Try printing a nozzle check page to diagnose print quality issues. Use genuine HP ink cartridges to avoi... https://contactfor-guide.com/blog/hp-printer-not-printing