This Genuine/Original Lexmark Imaging Unit is a must-have for your printing needs. It is compatible with models MS710, 711, 810, 811, MX710, 810, 811, and 812. The seal is unbroken, ensuring that you receive a brand new unit that will meet your expectations. This unit type is a toner cartridge, making it easy to install and use. The brand Lexmark speaks for itself when it comes to quality printing supplies. Invest in this imaging unit for consistent, high-quality prints.