Cool Toner 2Packs Compatible for HP 80A CF280A 80X CF280X Toner Cartridge for HP Laserjet Pro 400 M401A M401D M401N M401DN M401DNE M401DW HP Laserjet Pro 400 MFP M425DN Laser Ink Printer Black MODEL - Compatible Printer Model --- HP LaserJet Pro 400 M401a M401d M401n M401dn M401dne M401dw, HP LaserJet Pro 400 MFP M425dn M425dw Compatible for HP 80A Black Toner Cartridge High yield - Cartridge Yield: 2,700 Pages Service - Phone Services for technical support Warranty - 3-Years Warranty; Replacement or Refund upon request