The Lexmark 50F1U00 Black Ultra High Yield Toner Cartridge is designed for Lexmark printers, offering high-quality printouts with crisp black text. This toner cartridge has a print technology of laser, ensuring sharp and professional-looking documents. With a weight of 1lb and 7.3oz, this high-yield cartridge is perfect for printing large volumes of black and white documents efficiently. The open box packaging allows for easy installation and use, making it a convenient and reliable choice for your printing needs.