FEATURES- Toner Cartridge
       The Toner cartridge yield is up to 3,500 pages when printing at 5%
        coverage on A4/Letter sized paper. 
       When you see the Toner Low error message you should order a new
        toner cartridge to be prepared for when the toner runs out.
       for use with HL-5140/HL5150D/HL5150DLT/HL5170DN 
                    MFC8220/MFC8440/MFC8840D/MFC8840DN/DCP8040/DCP8045D

3500 YIELD Toner Cartridge for the HL-5140/hl5150d/hL5150dlt/hl5170dn