HP 80 Value Packs contain a 350 ml. ink cartridge, printhead, and printhead cleaner. These components ensure peak performance from the printer and unsurpassed printing speed for technical applications. Designed as a modular ink system, HP 80 ink supplies include the first printhead to use Hewlett-Packard Jetexpress technology for printing up to six times faster (in draft mode) than HP Designjet 700 series printers. HP 80 ink cartridges and printheads feature built-in smart chips to assure excellent results without guesswork for outstanding value and output that is always clear, always sharp. Compatible with HP Designjet 1000, 1050, 1055 series printers.