Starink 2 Pack Replacement HP CF400X HP 201X Black Toner Cartridges Use in Color LaserJet Pro M252dw M252n MFP M277dw M277n Printer with Patent Chips High Yield 2,800 Pages Model: compatible for HP 201X CF400X (HP 201A CF400A). NON-OEM, SAVE UP TO 70% to OEM Style: NEW Compatible / Replacement. Color: Black Page Yield: Black is 2,800 Pages at 5% Coverage letter/A4 Compatible with HP Color Laserjet Pro M252n M252dw MFP M277dw,MFP M277n printer Shelf Time: 12-month warranty and friendly customer service.All Starink products are manufactured according to ISO 9001 and ISO14001 and come with REACH, RoHS and CE.