This professionally remanufactured Sharp UX-C70B black ink cartridge is an original Sharp product that has undergone a thorough remanufacturing process. It has been cleaned, inspected for leaks, and tested to ensure reliable operation. The cartridge is designed to deliver a standard yield of up to 500 pages, providing consistent print quality for your Sharp printer. We offer a 100% Quality Satisfaction Guarantee on our remanufactured UX-C70B ink cartridge.