E-Z Ink (TM) Compatible Toner Cartridge Replacement For Brother TN221 B Black (1 Pack) Compatible With HL-3140CW HL-3170CDW MFC-9130CW MFC-9330CDW MFC-9340CDW HL-3180CDW DCP-9020CDN Laser Printer E-Z Ink compatible toner cartridges replacement for Brother TN221 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 TN221 Black (Total 1 Pack) Page Yield: Black is 2,500 pages per cartridge at 5% coverage ($0.008 / page ONLY, Save up to 70% compared to OEM toner cartridge) Compatible Printers: Brother HL-3140cw, HL-3170cdw, HL-3180CDW, MFC-9130cw, MFC-9330cdw, MFC-9340cdw, DCP-9020CDN 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.