For a toner cartridge that can easily deall with every thing you need printing you need this product. Epson is an expert when it comes to printing and they specially design their toner to be used in harmony with their machines. This provides you with results that are crisp and clear. Each cartridge can be installed into your printer with ease, taking no time or effort and creating no mess. Designed for the EPL-5900 series, this black cartridge contains enough toner to print up to 10,000 pages.