Genuine HP-engineered dye-based inks are designed to work as a total system with HP Designjet CP Series printers using HP Designjet CP Ink Systems and HP Designjet printing material for clear, sharp results. These special ink systems deliver outstanding image quality and high durability. For use with Designjet 2000CP, 2500CP, 2800CP, 3000CP, 3500CP and 3800CP.