The genuine black Xerox LC-811 toner cartridge is designed for minimal printing needs. Aimed at small offices, it lets you print fax messages more efficiently with consistent and solid black fonts. The original Xerox LC-811 black toner cartridge is made with an integrated drum unit to save you time and effort when it’s time to replace a used toner cartridge. The all-in-one Xerox LC811 fax cartridge provides a fresh drum unit and toner for your laser fax machine to ensure easy maintenance and seamless print performance.