This product is by Lexmark
High-yield, Return Program toner cartridge provides exceptional value, reliability and outstanding print quality. Cartridge is designed for use with Lexmark C524, C532 and C534 series printers. Cartridge yields approximately 5,000 pages based on 5 percent coverage. Lexmark Return Program cartridges are sold at a discount, versus the prices of regular cartridges, in exchange for the customer's agreement to use the cartridge only once and Return it only to Lexmark for remanufacturing or recycling.
Brand: Lexmark, Model: 377541, Color: Magenta, Size: 1 Pack