Lexmark 74C1HK0 Black Toner — Return ProgramLexmark Unison Original Toner Cartridge Discover crisp, consistent, and dependable printing with the Lexmark Unison Original Toner Cartridge. Engineered for the Lexmark Print System, this Return Program cartridge delivers outstanding print quality, high yield, and reliable performance that keeps your office productive. Whether youre printing important reports, client proposals, or everyday documents, Unison toner is designed to deliver bold blacks,