The Lexmark 70C10K0 70C10C0 70C10M0 70C10Y0 printer toner cartridges are genuine/original Lexmark products designed specifically for Lexmark CS310, CS410, and CS510 printers. These toner cartridges come in a sealed retail box and are compatible with Lexmark printers that use laser print technology. The cartridges are available in black, cyan, yellow, and magenta colors, making them ideal for color printing tasks. Made in China, these high-quality toner cartridges are reliable and ensure professional-looking prints for your documents and images.