HP C9451A no 70 light grey inkjet cartridge for use with Designjet Z2100/Z3100. Allowing you to print with photo level clarity, the HP No.70 Inkjet Cartridge is perfect for both home and workplace application. Printing even the highest resolution photographs without a dip in definition, you can be sure of analogue level quality. Installation into your printer is never difficult and allows you to get the very best printing straight from the box. This cartridge is designed to prevent the unwanted mixing of inks, ensuring that your colours are bright and vivid.