E-Z Ink(TM) Compatible Toner Cartridge Replacement For Brother TN330 TN360 TN-330 TN-360 High Yield (2 Black) for use with HL-2140 HL-2170W DCP-7030 DCP-7040 MFC-7340 MFC-7345N MFC-7440N MFC-7840W E-Z Ink compatible drum unit replacement for Brother TN360 TN330 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 TN360 Black (Total 4 Pack) Page Yield: Black is 2500 pages per cartridge at 5% coverage ($0.004 / page ONLY, Save up to 70% compared to OEM toner cartridge) Compatible Printers: Brother DCP-7030, DCP-7040, DCP-7045N, HL-2140, HL-2150N, HL-2170w, MultiFunction MFC-7320, MFC-7340, MFC-7345DN, MFC-7345N, MFC-7440N, MFC-7840W 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.