Lexmark 78C1UC0 Cyan Ultra High Yield Return Program Toner Cartridge designed for professional printing results. This genuine Unison Toner cartridge is compatible with Lexmark CS521, CS622, CX622, and CX625 printer models. As an Ultra High Yield component, it offers an extended service life for high-volume office environments. The cartridge is assembled in Mexico and comes in its original open box with the internal protective bag still sealed.