E-Z Ink (TM) Compatible Toner Cartridge Replacement for Brother TN630 TN660 High Yield to use with HL-L2300D DCP-L2520DW DCP-L2540DW HL-L2360DW HL-L2320D HL-L2380DW MFC-L2707DW Printer(Black, 4 Pack) E-Z Ink compatible toner cartridges replacement for Brother TN660 are manufactured in an ISO 9001 & ISO14001 certified facility. All toner cartridges are engineered to produce superb results. Package Contents: 1 x User Guide, 4 x TN660 Black (Total 4 Pack) Page Yield: Black is 2600 pages per cartridge at 5% coverage ($0.003 / page ONLY, Save up to 70% compared to OEM toner cartridge) Compatible Printers: DCP-L2520DW,DCP-L2540DW,HL-L2305W,HL-L2300D,HL-L2320D,HL- L2340DW ,HL-L2360DW,HL-L2380DW,MFC-L2680W,MFC-L2685DW,MFC-L2700DW,MFC-L2705DW,MFC-L2720DW,MFC-L2740DW,MFC- L2707DW Laser Printer Warranty & Support: E-Z Ink toner cartridge comes with 2-Year 100% Quality Guarantee / Shelf life: 24 months. Please contact Manufacturer E-Z Ink directly for any questions  Technical support, customer support is always online for you.