This genuine OEM Lexmark 50F1X0E (501XE) extra high yield toner cartridge is the perfect choice for your printing needs. It is designed to work with Lexmark printers such as MS410, MS415, MS510 and MS610, and is compatible with both Mac and Windows operating systems.With its high yield, this toner cartridge is able to print a large number of pages before needing to be replaced. The color of the toner is black, which ensures that your text and images come out crisp and clear. This toner cartridge is perfect for both personal and professional use, and is a great investment for anyone who wants to get the most out of their printer.