The Lexmark 66S1000 OEM Laser Toner Cartridge is a high-quality printer accessory designed for use with Lexmark printers. This black toner cartridge is compatible with laser print technology and is sold as a single unit. Manufactured in Mexico, it comes sealed and includes a California Prop 65 Warning regarding potential health risks. Perfect for those looking to replace their existing toner cartridge with a reliable and genuine Lexmark product.