The Lexmark 4 Black Return Program Print Cartridge delivers high-quality prints. The Lexmark cartridge collection program helps protect the environment by recycling returned non-refillable cartridges. This black inkjet print cartridge has redundant print-head nozzles to ensure reliability and consistent print quality. It allows you to effortlessly print laser quality documents with sharp black text. This non-refillable ink cartridge comes in a single package and has a shelf life of two years.