When you give a command to your printer for print, unfortunately you are confronting HP Printer Won't Print Black issue. This is a very common problem many not only you but many users come across. However, this usually happens when there is low or empty of black ink cartridge. The best way to solve this issue without putting much effort is to refill the genuine HP black ink cartridges properly and then start print job again. Now, you may start receiving printouts in black color with great quality.