Canon printers are improving for their print quality; however, they can sometimes have issues. One problem you are facing is that your Canon printer is not printing black. Thankfully, this is usually a quick and easy solution. There are a few reasons why your Canon printer is not printing black. The printer may be out of black ink, the printer's print head may be clogged, there may be some air bubbles in the ink delivery system, or the ink cartridge may be defective. Hit the link here to learn more.