This is a compatible Sharp MX-C40NTC cyan laser toner cartridge designed for use with Sharp MX-C311 and MX-C401 laser printers. It replaces the original Sharp MX-C40NTC toner cartridge and is manufactured with up to 100% new components, ensuring reliable performance. With a yield of up to 10,000 pages, this cartridge provides an economical alternative to expensive OEM options while delivering high-quality printing results. The use of compatible cartridges does not void your printer warranty, and we back this product with a 100% Quality Satisfaction Guarantee.