Save and print even more when you shop with LD Products! This listing includes 4 TN315 high yield black laser toner cartridges; they replace the TN310 black standard yield series. Why pay twice as much for brand name OEM Brother Printer laser cartridges when our compatible printer supplies deliver excellent quality results for a fraction of the price? Each cartridge is 100% brand new and manufactured to meet the highest quality and performance standards. Our compatible brand replacement laser cartridges for your Brother printer are backed by a full 2 year 100% satisfaction guarantee; so take advantage and stock up now! The TN315/TN310 cartridges work with the following Brother printers HL-4150cdn, HL-4570cdw, HL-4570cdwt, MFC-9460cdn, MFC-9560cdw and MFC-9970cdw. Please note, retail packaging may vary and these items will only work with printers purchased within the United States and Canada. We are the exclusive reseller of LD Products brand of high quality printing supplies on Amazon.