HP 711 80-ml Black Designjet Ink Cartridge (CZ133A) for HP DesignJet T120 24-in Printer HP DesignJet T520 24-in Printer HP DesignJet T520 36-in PrinterHP DesignJet printheads help you respond quickly by providing quality speed and easy hassle-free printing Designed for use with Designjet Printers T120 24", T520 24", and T520 36" Contains ultra-pure inks that work with your printer for sharp, accurate results