Get the most out of your Lexmark printer with these two genuine 70C1XK0 black extra high yield R.P. toner cartridges. Designed specifically for Lexmark CS510 printers, these cartridges ensure optimal performance and crisp black text every time. Whether you're printing out important documents or creating professional-quality marketing materials, these toner cartridges are the perfect choice. They are compatible with a range of Lexmark printers and feature laser print technology, making them a reliable and efficient addition to any printing setup.