Lexmark 56F0U0G. Type: Laser toner Printing colors: Black Lexmark Return Program CartridgesLexmark Return Program cartridges are print cartridges sold at a discount in exchange for the customer's agreement that the cartridges will be used only once...

Lexmark 56F1H00. Type: Laser toner Page yield: 15000 pages Printing colors: Black Quantity per pack: 1 pcs Essential to Lexmark Print System Performance.Consistently outstanding image quality. Long-life system reliability. Superior sustainability...

The Original Lexmark 56F1000 Black Toner Cartridges provide reliable high-quality laser prints with page yields up to 6,000 pages.These Original Lexmark 56F1000 Black Toner Cartridges are designed to work with the following Lexmark printers:Lexmark MX522...

The Original Lexmark 56F0Z00 Black Imaging Unit provides reliable high-quality laser prints with page yields up to 60,000 pages.These Original Lexmark 56F0Z00 Black Imaging Unit are designed to work with the following Lexmark printers:Lexmark MB2546...