Original OEM Lexmark B240HA0 high yield black toner cartridge for reliable, high-volume printing. This cartridge delivers up to 6,000 pages, making it an efficient solution for businesses that require dependable output. It is compatible with Lexmark B2442 and MB2442 series printers and installs easily for hassle-free maintenance. Enjoy sharp black text and clear graphics with every page, supporting your workflow with professional-quality results.