Cool Toner 4PK Compatible for HP 26A CF226A 26X CF226X M426fdw M402n Toner Cartridge for HP Laserjet Pro m402dn M402n M426fdw M402dw M426 HP Laserjet Pro MFP M426fdw M426dw M426fdn Toner Printer Ink Compatible for Printer Model - HP LaserJet Pro MFP M426dw, HP LaserJet Pro MFP M426fdw, HP LaserJet Pro MFP M426fdn; HP LaserJet Pro M402n, HP LaserJet Pro M402dn, HP LaserJet Pro M402dw, HP LaserJet Pro M402d. Compatible Toner Cartridge for Original HP 26A CF226A M426fdw Black Toner Cartridge (Compatible for HP 26X CF226X M402n Black Toner Cartridge) HIGH YIELD - 3,100 pages Compatible for HP 26A CF226A M402dn Black Toner Ink Service - Phone Services for technical support Warranty - 3-Years Warranty; Replacement or Refund upon request