Engineered to work with HP No. 80 Ink Cartridges as part of a modular ink system Breakthrough print speed - up to 6 times faster than HP DesignJet 700 Series printers, thanks to HP’s new JetExpress technology Built-in smart chip for outstanding print quality without guesswork Printhead cleaner bundled with printhead to extend printhead life and ensure consistent performance. Compatible With HP Designjet 1050c Inkjet Printer HP Designjet 1050c plus Inkjet Printer HP Designjet 1055cm Inkjet Printer