E-Z Ink (TM) Compatible Toner Cartridge Replacement for Brother TN 850 TN850 TN 820 TN820 to use with HLL5100DN HLL5200DWT HLL6300DW HLL6200DW MFCL5700DW MFCL5800DW MFCL5900DW (1 Black, 1 Pack) E-Z Ink compatible toner cartridges replacement for Brother TN850 TN820 are manufactured in an ISO 9001 & ISO14001 certified facility. All toner cartridges are engineered to produce superb results. Package Contents: 1 x User Guide, 1 x TN850 Black (Total 1 Pack) Page Yield: Black is 8,000 pages per cartridge at 5% coverage ($0.002 / page ONLY, Save up to 70% compared to OEM toner cartridge) Compatible Printers: Brother HL-L5000D DCP-L5500DN DCP-L5600DN DCP-L5650DN HL-L5100DN HL-L5200DW HL-L5200DWT HL-L6200DW HL-L6200DWT HL-L6250DW HL-L6300DW HL-L6400DW HL-L6400DWT MFC-L6750DW MFC-L6900DW MFC-L5700DW MFC-L5850DW MFC-L5800DW MFC-L5900DW MFC-L6700DW MFC-L6800DW 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.