Our discount compatible Lexmark T640n toner deliver the same consistency and evenness as your original Lexmark printer cartridge. Choosing our discount replacement cartridges can lower your printing costs. Our printer ink and toner supplies are economical, offering our customers incredible value. Maintain consistent print quality, and achieve superior results every time you print. We use top-grade materials and follow strict guidelines that meet industry standards.
Engineers have painstakingly considered every practical office application and have made this toner cartridge for Lexmark T640n just as easy to install as the original brand name version. You can get all your printing done worry-free and without interruption when you purchase from 1ink. We print hundreds of test pages to make sure your toner cartridges function properly. We want to make sure you are fully satisfied with your order and have the best shopping experience, so we offer a 100% satisfaction guarantee or your money back.