The clogged printhead, low ink cartridge, dirty printhead, or incompatible papers could be reasons why your HP printer not printing color correctly. But you need not worry as the problem can be resolved by implementing smaller fixes. Start with examining the ink and replacing the cartridge if needed. Make sure the paper quality is as per the HP guidelines. Calibrate your printer to align colors. If the color printing problem persists, connect with the HP tech support experts.