Cool Toner Compatible Toner Cartridge Replacement for TN-450 (Black,3-Pack) HIGH YIELD - Cartridge Yield: 2500(black) and 1400(color) 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 ---Brother HL-3140CW/3142CW/3150CDW/3152CDW/3170CDW/3172CDW, MFC-9130CW/9140CDN/9330CDW/9340CDW, DCP-9020CDW