HP CZ135A 711 29 ml Magenta DesignJet ink cartridge is designed to deliver the best image quality and reliable printing. Toner 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. High-quality HP cartridges print everything the way you wanted and are perfect for everyday printing applications.