Cool Toner 2 Pack 2,800 Pages Black Compatible Toner Cartridge Replacement for 201X CF400X Used for Color Laserjet Pro M252dw M252n MFP M277dw M277n Printer Support - advanced technology ensures stunning performance Service - Phone services for technical support Warranty - 3-years warranty; Replacement or Refund upon request High yield - cartridge yield: 2800 pages MODEL - Compatible Printer Model ---Color LaserJet Pro M252dw/M252n, Color LaserJet Pro MFP M277dw/M277n