Choosing Coffee Beans For Your Coffee Machine The kind of coffee beans that you use in your coffee machine is crucial to the quality of your brew. Choose beans that are fresh and roasted with an even flavor profile. Grind size is important too. Smaller grinds draw more water. Experiment https://www.coffeee.uk/products/de-longhi-primadonna-elite-ecam650-85-ms-coffee-machine-silver