ECOMAX Set of 4 Compatible Canon 128 Black Toner Cartridge For ImageClass D550, MF4420n, MF4450, MF4550, MF4570dn, MF4580dn COLOR: Black I PAGE YEILD: Approx. up to 2,100 pages based on A4 5% coverage COMPATIBILITY : LaserJet Pro P1560, P1566, P1600, P1606DN, M1536dn GREAT QUALITY: Manufactured under ISO 14001 & ISO 9001 I Prints like OEM toner cartridge; CE278A cartridge including "NEW" wiper blades, OPC drums, and other internal components SAFE TRANSPORTATION: Cartridge covered with protective cover, air bubble bag, and shipping box SATISFACTION GUARANTEE: 1-year warranty with reliable customer support