How Does Machine Espresso Work? Machine espresso utilizes precise pressure and mind-blowing filter technology to make the delicious coffee we enjoy. But how exactly does it work? Espresso is produced by pushing hot water under high pressure through finely ground coffee. The process is similar to that of making drip https://www.coffeee.uk/products/de-longhi-ec885m-espresso-machine-in-stainless-steel