If you are dealing with the HP printer not printing color then your first step should be to check the cartridge. To do this, you need to open the front cover of the printer and take out the print cartridges. Ensure that the ink cartridge is not expired. If any case, your cartridge is running out or faulty ink then purchase the new one to troubleshoot the issue of HP printer not printing color. When you are encountering the problem then you need to start by cleaning the print heads several times then the problem might occur due to unclean the printheads.