This TN760 black toner cartridges of cartridges have been tested and monitored for performance quality and page yield It’s work with HL-L2370DW  HL-L2370DW XL  HL-L2350DW  HL-L2390DW  HL-L2395DW  HL-3172CDW All of our v4ink toner cartridges are have a lifetime guarantee