【Product Specifications】: brother TN-299XL Black High Capacity 1 Compatible Toner Cartridge 【Compatible Models】: Compatible toner cartridges for Brother TN299XL, applicable to brother HL-L3240CDW, MFC-L3780CDW printers. 【High Capacity Type】: TN299XLBK Approximately 3000 pages (reference value when printed on A4 paper with 5% density) Realizes high stability and high color development at low cost. 【Product Features】: This product is a compatible toner cartridge that can be used in the same way as the Brother TN-299XL genuine product. Although it is not a genuine toner, it can be used in conjunction with genuine products. Like genuine products, remaining quantity management is also possible. All products are tested on the production line, and will not be sold as products until they reach a satisfactory quality. International Quality Standards: We adopt international standards to improve quality and manufacturing processes that are friendly to the global environment. 【High Stability】: Defect rate is less than 2%. The defect rate of compatible toners is 3-5% compared to the defect rate of genuine toners, which is 0.5-2%. Regardless of whether it is a genuine product or a compatible product, our store strives to deliver better products and provide better and more attentive service so that our customers can be happy and satisfied.