This is a compatible Sharp MX-31NTBA black laser toner cartridge designed for use with your Sharp laser printer. It offers a standard yield of up to 18,000 pages, ensuring high-quality printing results. Manufactured with 100% new components, this cartridge serves as an economical alternative to expensive OEM options, providing significant savings. The use of this compatible cartridge does not void your printer's warranty and is backed by our 100% Quality Satisfaction Guarantee.