Cool Toner Compatible Toner Cartridge Replacement for HP CF400X CF401X CF402X CF403X (Black Black Cyan Magenta Yellow, 5-Pack) HIGH YIELD -Cartridge Yield: 2,800 (black) and 2,300 (color) pages (Letter/A4) Support - Advanced technology ensures stunning performance Service - Phone Services for technical support Warranty - 3-Years Warranty; Replacement or Refund upon request Compatible Printer Model --- HP Color LaserJet Pro M252dw M252n, Color LaserJet Pro MFP M277dw M277n M277c6 M274n