Designed to optimize the performance and life of your printers, Unison Contract Cartridge delivers superior print quality page after page in your Lexmark MS431 and MX431. Special characteristics and performance attributes of Unison Toner's unique formulation enable shake-free performance, consistently outstanding image quality, long-life system reliability and amazing sustainability. Recycle empty cartridge through Lexmark's unique Cartridge Recycling Program that makes sustainable printing as beneficial to your organization as it is to the environment. Extra high-yield cartridge generates approximately 20,000 pages.
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