Do it Wiser Remanufactured Toner Cartridge Replacement for HP 507X ( Black,Cyan,Magenta,Yellow , 4-Pack ) 1 black cartridge11,000pages 1 cyan cartridge 6,000 pages 1 magentacartridge 6,000 pages 1 yellowcartridge 6,000 pages HP Laserjet Color 507X 500 M551 HP Laserjet Color 507X 500 M551n HP Laserjet Color 507X 500 M551dn HP Laserjet Color 507X 500 M551xh HP Laserjet Color 507X 500 M570dw HP Laserjet Color 507X 500 M570dn HP Laserjet Color 507X 500 M575c HP Laserjet Color 507X 500 M575dn HP Laserjet Color 507X 500 M575f