Cool Toner 4 Packs 80A CF280A Compatible for HP 80A CF280A 80X CF280X M401dne Toner Cartridge for HP Laserjet Pro 400 Toner HP M401n M401dne M401a Toner HP Laserjet Pro 400 MFP M425dn Printer Toner 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 CF280A Black Toner Cartridge HIGH YIELD - 2,700 pages Compatible for HP 80A CF280A (80X CF280X) Black Toner Cartridge Service - Phone Services for technical support Warranty - 3-Years Warranty; Replacement or Refund upon request