Cool Toner Compatible Toner Cartridge Replacement for TN-450 (Black,4-Pack) HIGH YIELD - Cartridge Yield: 2,600 pages (Letter/A4) 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-2135W, HL-2220, HL-2230, HL-2240, HL-2240L, HL-2240D, HL-2250DN, HL-2250DNR, HL-2270, HL-2270DW, HL-2275DW, HL-2280DW; MFC-7240, MFC-7360, MFC-7360N, MFC-7460DN, MFC-7860, MFC-7860DW, DCP-7060, DCP-7060D, DCP-7065, DCP-7065DN, DCP -7070, DCP-7070DW, DCP-7070DWR; Konica Minolta 1590mf