If you are the one dealing with the issue of HP printer not printing in color properly thenthere are chances that color printer features is disabled. To print in color, you need to enablethe color printing feature from the HP printer properties. If you have disabled the colorprinting feature then also your HP printer will not print in color. Another reason for printernot printing is driver malfunctioned. If you were using multiple printers on same system thenthere might be possibility that driver conflict between the devices. It might cause HP printernot printing in color properly.