How Does Machine Espresso Work? The machine espresso uses precise pressure, as well as a filtering technology that is amazing to make the coffee you enjoy. How does it work exactly? Espresso is made by pushing hot water under pressure through finely-ground coffee. The process is similar to making drip https://www.coffeee.uk/products/de-longhi-specialista-prestigio-espresso-cappuccino-machine-black-ec9355-bm