Cool Toner 1 Packs Compatible HP 05A CE505A 505A Black Toner Cartridge High yield - Cartridge Yield: 2,300 pages (black) SUPPORT - Advanced technology ensures stunning performance Service - Phone Services for technical support Warranty - 3-Years Warranty; Replacement or Refund upon request MODEL - Compatible Printer Model --- HP LaserJet P2030 P2035 P2035n P2050 P2055d P2055dn P2055x, HP LaserJet Pro 400 M401a M401d M401n M401dn M401dne M401dw, HP LaserJet Pro 400 MFP M425dn M425dw