This is not an OEM original brand. These are Premium Remanufactured Re-Used Cartridges. Remanufactured ink cartridge is designed for use with Hewlett-Packard Deskjet printers 810C, 812C, 825C, 840C, 841C, 842C, 843C, 845 Series, 920C, 940 Series, 3820; Digital Copier 310; Fax 1230 Series; Officejet V40, 5110 Series, PSC 500/XI, 750/XI and 950/XI. Premium-grade ink produces crisp, bold text and graphics. Cartridge yields approximately 600 pages. Elite Image is ISO certified.