Lexmark 56F1U00 Black Ultra High Yield Return Program Toner Cartridge (Yield 25,000)

Lexmark 56F1U00 Black Ultra High Yield Return Program Toner Cartridge (Yield 25,000). Works with Lexmark Models: MS521, MS621, MS622, MX521, MX522, MX622. Unison™ toner’s unique low friction qualities increase toner flow and contribute to its ability to transfer efficiently to the page, so there’s less toner waste. This maximizes the longevity of these components and delivers long-term reliability, ultimately saving time and money.