Lexmark C734A1KG Standard Yield Black Toner Cartridge is designed to provide exceptional value, reliability and outstanding print quality. Original Lexmark C734A1KG toner cartridges are specifically designed to deliver professional quality results every time you print. Lexmark C734A1KG toner cartridges use advanced technology to measure and monitor toner darkness to ensure black is consistently black. Offers recycling options including easy return to Lexmark.