HIINK Compatible Toner Cartridge Replacement for Brother TN660 (Black, 1-Pack) Page Yield: 2,600 pages at 5% Coverage All toner cartridges are manufactured in an ISO 9001 certified facility Compatible Printer List: Printer DCP-L2520DW L2540DW L2300D L2340DW L2360DW L2380DW L2500D; MFC-L2700DW L2720DW L2740DW Series 2,600 pages each toner cartridge Brother MFC-L2680W Brother MFC-L2700DW Brother MFC-L2705DW Brother MFC-L2720DW Brother MFC-L2740DW Brother DCP-L2520DW Brother DCP-L2540DW Brother HL-L2300D Brother HL-L2305W Brother HL-L2320D Brother HL-L2340DW Brother HL-L2360DW Brother HL-L2380DW Remove the toner cartridge and drum unit assembly from the machine. Remove the protective cover. Put the new toner cartridge firmly into the drum unit until you hear it lock into place. Install the toner cartridge and drum unit assembly back into the machine.