The Lexmark 72K0FK0 Black Developer and PC Unit Combo Pack is a genuine/original product designed specifically for Lexmark printers. This sealed-open box combo pack contains a black developer unit and a PC unit, perfect for ensuring high-quality laser printouts. Compatible with Lexmark printers, this combo pack is a reliable and efficient printing solution for both home and office use. The Lexmark brand ensures a consistent and professional printing experience.