HIINK Comaptible Toner Cartridge Replacement for Brother TN-660 TN660 TN630 High Yield Toner Cartridge use with HL-L2300D HL-L2305W HL-L2340DW HL-L2360DW HL-L2380DW MFC-L2680W(Black, 4-Pack) 1 Year Warranty 100% Satisfaction Guaranteed In Box: 4 Pack Toner TN660 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.