This high-resolution black cartridge uses Lexmark's exclusive pigmented black ink. This ink, coupled with an increased number of printhead nozzles and swath size, enables consumers to consistently produce high-quality prints at unprecedented print speeds. The Lexmark #28A black cartridge includes redundant nozzles, which help ensure consistent print quality. Nozzles are laid out in pairs, so if one becomes clogged or fails, the other continues to print. Print business quality text and graphic documents with high visual impact due to sharper black inks.