The Open Box Seal Cartridges EZINK 4 PACK TN830XL Toner Cartridge Black for Brother is a high-quality compatible toner cartridge designed for Brother printers. With a chip included and a page output of up to 3,000 pages based on 5% coverage, this product is perfect for printing professional documents in black. Made by E-Z Ink and compatible with models like Brother DCP-L2640DW and HL-L2400D, this toner cartridge ensures reliable and impressive results for your printing needs.