If the printer is not well-connected to your operating device, then there would be a high chance of HP Printer Won't Print anything. One more possible reason could be not using a genuine HP ink or toner supplies. Hence, check them out first and make sure your printer device is properly connected to the computer system and real or authentic ink cartridge is installed in your printer. Now, after confirming all these, take a test print from your HP Printer. This time you may obtain quality print without any interruption.