These cartridges are remanufactured by Lexmark using genuine Lexmark parts & are guaranteed to meet our high quality standards for text printing applications. We recommend that you use the remanufactured print cartridge for text only or what we term 'non-critical' printing applications. When optimum printing performance is required, we suggest that you continue to use an all-new Lexmark print cartridge. Your Lexmark factory reconditioned print cartridge is guaranteed to deliver reliable quality at an impressive price/performance point.