56F0ZA0 Lexmark 56F0ZA0 Black Imaging UnitLexmark Imaging Unit Toner Black (56F0ZA0) Genuine Lexmark Imaging Unit yields up to 60,000 pages and designed to provide exceptional value, reliability and durability in the Unison print system. Actual Yield may vary based on other factors such as device speed, paper size and feed orientation, toner coverage, tray source, percentage of black only printing and average print job complexity. All information contained herein is subject to change without