Get fast, no-compromise inkjet printing with HP No. 81 Dye printheads and HP's jetexpress technology. Featuring a nearly one-inch-wide printhead, HP's jetexpress technology helps HP DesignJet 5000 Series printers achieve unmatched speeds. Experience the widest color gamut and smoothest color transitions offered by HP large-format printers with HP No. 81 Dye six-color ink system and newly formulated dye-based inks. "Smart chips" embedded in each of the HP No. 81 Dye ink cartridges and printheads monitor ink usage and track printhead wear, and alert you when it's time to replace. It's time to replace.HP offers printhead cleaner bundled with printhead to extend printhead life and ensure consistent performance.