This genuine Lexmark 24B7185 black toner cartridge is designed for high-yield printing, offering an estimated 9,000 pages based on ISO/IEC 19752 standards. It ensures crisp and well-defined black text and images in your prints. This toner cartridge is compatible with Lexmark XC 2240 and Lexmark XC 4240 color laser printers, providing a reliable and long-lasting printing solution. Lexmark offers a full warranty for this product.