This is a high quality compatible inkjet cartridge which replaces the Lexmark 18C0031 inkjet cartridge at a significant price difference to the OEM (genuine original Lexmark cartridge). We offer a variety of compatible inkjet cartridge models at significantly discounted prices without compromising quality and page yield (which are comparative to the genuine Lexmark 18C0031 ink cartridge). Our compatible for Lexmark 18C0031 inkjet cartridge is filled with premium ink manufactured by a U.S. specialized inkjet manufacturer, where it is professionally engineered in ISO9002 manufacturing facilities that utilize state of the art processes to ensure that the quality and longevity of the cartridge will perform to the highest quality standards possible. Buying our compatible cartridges is a smart idea for any business or home user who is concerned with high-quality and long-lasting printouts at a significant savings compared to buying Original Lexmark ink.