This is a remanufactured Lexmark C5240KH high yield black laser toner cartridge, guaranteed to perform with your Lexmark C524 laser printer. It replaces the original Lexmark C5240KH laser toner cartridge and is designed to deliver exceptional print quality. With a yield of up to 8,000 pages, it offers an economical alternative to expensive OEM cartridges while providing reliable performance. The use of remanufactured cartridges does not void your printer's warranty. We back this product with a 100% Quality Satisfaction Guarantee.