HP Indigo Division is a division of HP Inc.'s Graphic Solutions Business. It was founded in 1977 in Israel and acquired by Hewlett-Packard in 2001. HP Indigo develops, manufactures and markets digital printing solutions, including printing presses, proprietary consumables/supplies and workflow solutions.
HP Electroink is a unique liquid ink (Liquid EP) that combines the advantages of electronic printing with the qualities of liquid ink. HP Electroink contains charged pigmented particles in a liquid carrier.