To fix the problems of the HP printer not printing color follow these easy steps. 1. You need to reinstall the print driver. 2. Try to use genuine HP ink cartridges. 3. Need to check for ink smears on the back of printouts. 4. Make sure that you are using the appropriate paper for your print job. 5. Check once your printer setting. 6. Try to replace any low or empty ink cartridges. 7. You need to print a print quality diagnostic report. 8. Now you need to examine the color block for a defect. 9. Clean the ink cartridges.