This is a compatible Lexmark 70C1XC0 extra high yield cyan laser toner cartridge designed for use with Lexmark CS510 laser printers. It replaces the original Lexmark 70C1XC0 toner cartridge and is engineered for reliability and exceptional yield, delivering up to 4,000 pages. With up to 60% new parts, it serves as a cost-effective alternative to OEM cartridges, offering significant savings without compromising on quality. The use of compatible cartridges does not void your printer warranty, and we back this product with a 100% Quality Satisfaction Guarantee.