Our Compatible toner cartridges are designed to replace the Brother TN423BK and are fully compatible with the DCP L8410CDW, L8690CDW, L8260CDW, L8900CDW, and L8360CDW printers. This laser toner offers a 5 year guarantee and can produce a page yield or volume of up to 4500 (Black) and 4000 (C/M/Y ea.) pages respectively at 5% coverage. All products are covered by a 5 year warranty and a next day replacement service. Prices exclude VAT and delivery.