This remanufactured Brother TN4100BK offers the same high quality as the Brother original TN4100 cartridge but at a fraction of the price. These TN4100 cartridges have been stripped down with worn parts replaced. The cartridge is then refilled with a high quality compatible toner powder and rebuilt by professionals to the same high standards as the Brother TN4100 original cartridge. The TN4100 cartridges are designed to print up to 7,500 pages and are fantastic value in comparison to the original Brother TN4100.Our remanufactured TN4100BK laser printer cartridges for this range of Brother printers are amongst the lowest priced on the Internet and carry a 100% satisfaction guarantee. All prices include VAT and delivery so what you see really is what you pay!