The Lexmark 56F1H0E One High Yield Contract Toner Cartridge in Black is a genuine/original product manufactured by Lexmark. Specifically designed for Lexmark printers, this toner cartridge is compatible with various Lexmark models such as MX421, MX521, MX522, MX622, MX321, MS521, MS621, MS321, MS421, and MS622. It utilizes laser print technology for high-quality printing and has dimensions of 7.7 inches in height, 19.7 inches in length, and 6.6 inches in width. This brand new toner cartridge is a reliable option for achieving professional-quality prints with your Lexmark printer.