The Genuine Lexmark 78C10C0 Cyan Return Program Toner Cartridge is a high-quality, OEM product designed specifically for Lexmark printers. This laser print technology cartridge comes in a new, sealed package, ensuring fresh and reliable performance. With a unit type of genuine/original, this cyan toner cartridge is compatible with Lexmark CS/CX 420 520 620 series printers, providing consistent and professional results for all your printing needs. Trust in the Lexmark brand for exceptional quality and compatibility with your printer model.