Abstract
Lately the market demand for short run and variable printing is increasing. And the digital presses match such applications. Printing market buys the electro-photography based models mostly because the good balance of productivity, quality and running cost. Within these “toner” printers, HP Indigo is famous in high quality using the unique “liquid toner”. This article explains the general process of the “HP Electro Ink technology” and refers to the newest model 7000 about the reliable high speed imaging process.