Basics® Brand cartridges are manufactured at ISO 9001:2000 registered facilities using returned, original equipment cartridges. These cartridges are designed, engineered and manufactured to meet OEM performance while ensuring top quality and consistent output. The plastic shell contains an average of 90% post-consumer recycled material OEM 507A. HP Color LaserJet M551N, M551DN, M551XH; Color LaserJet Enterprise 500 MFP M570DN, M575DN, M575F. Contains a minimum of 59% post-consumer recycled content. Yields 5,500 pages. Magenta.