New in Box. The Lexmark 80C1SM0 Unison Magenta Genuine Return Program Toner is designed specifically for Lexmark printers, such as the CX310, CX410, and CX510 models. This original toner cartridge ensures high-quality prints with its genuine Lexmark brand. With a magenta color and laser print technology, this toner provides precise and vibrant results. Its compact size, measuring 10 inches in height and 4 inches in length, makes it easy to handle and store. This genuine return program toner cartridge is a reliable and efficient choice for Lexmark printer users seeking professional-quality printing supplies.