Remanufactured Ink Cartridge Replacement for HP 60 CC640WN CC643WN (2 Black 2 Color) 4 Pack Ready to use - Our cartridges are pre-filled & ready to use. Quality Assurance:Every cartridge is methodically tested by our team to ensure that you can print hassle-free. We offer the highest quality printing. Superior Quality Ink - Our high quality UV resistant pigment-based ink and dye-based ink will yield closest quality to OEM inks.