HP 711 CZ129A 80 ml Black DesignJet ink cartridge is designed to deliver the best image quality and reliable printing. HP 711 ink cartridge is compatible with T120/T520 DesignJet e-printers and features fade-resistant color for superior results. Fade-resistant color provides superior results and brilliant, true-to-life images that last for generations. The unmatched reliability of Original HP ink cartridges means consistent convenience and better value.