New in Box. Lexmark 75M10M0 Magenta Return Program Genuine Toner is a high-quality print cartridge designed for Lexmark printers. Specifically compatible with models CS531, CS632, CX532, and CX635, this genuine/original toner ensures crisp and vibrant magenta prints. With a laser print technology, this toner cartridge is reliable and efficient for professional printing needs. The Lexmark brand guarantees both quality and compatibility, making it a trusted choice for your printing requirements.