HP 971 Magenta Officejet Ink Cartridge produces professional-quality colour documents for great value, while allowing workgroups to save time creating consistent, durable prints.Compatible Printers: HP OfficeJet Pro X 450 Series, HP OfficeJet Pro X 470 Series, Troy SecurePro Jet X 476 dx, HP OfficeJet Pro X 576 dw, HP OfficeJet Pro X 551 dw, HP OfficeJet Pro X 476 dw, HP OfficeJet Pro X 476 dn, HP OfficeJet Pro X 451 dw, HP OfficeJet Pro X 451 dn