HP 81 Dye Printhead and Printhead Cleaner produce color-rich images on a variety of media. Long-life printhead works with HP Designjet printers for fast, reliable, cost-effective operation. Smart printing technology monitors printhead performance to optimize results. Advanced large-format printhead technology, ink cartridge technology and proprietary ink formulations ensure consistent print quality. Cartridge is designed for HP Designjet 5000, 5000PS, 5500 and 5500PS printers and HP-engineered to work as a modular ink system with HP 81 Dye Ink Cartridges. Cartridge yields approximately 1,000 pages.