Compatible HP models:Designjet: 30, 30gp, 30n, 70, 90, 90gp, 90r, 100, 130, 130gp, 130nr, 130r Get fade resistant, photo-image quality and consistent color accuracy. Interactive smart technology printing adjusts color density to ensure consistent results. Get precise detail and impressive color accuracy on a broad range of papers. Simple installation and reliable operation save you time and provide ongoing savings. HP Ink, Toner & Ribbons part of a large selection of printer ink and toner. HP 85, Magenta Printhead (C9421A) is one of many Ink, Toner & Ribbons available through Office Depot. Made by HP.