Semi-Automatic MachinesSemi-automatic espresso machines feature an automated internal pump, automated temperature controls for the boiler, and activation switches, which turn the pump on and off. It will be necessary to turn on the pump and when the machine has dispensed the desired quantity of coffee, turn it off to stop dispensing. You will be responsible for grinding the coffee, tamping it into the filter holder (group handle) and cleaning the used disc. Semi-automatic espresso machines are easier to use than manual machines. You control the brewing process to a large extent to make high-quality espresso shots. There are affordable models available on the market from good quality brands, however some models can be very expensive. The semi-automatic espresso machine is more difficult to use than the automatic and super-automatic espresso machines.3. Automatic machinesAutomatic espresso machines are equipped with a pump, automated temperature controls for the boiler and an automated preset water volume, which is selected with the push of a button. Most automatic espresso machines come with controls that allow them to be used as semi-automatic machines. You will still have to grind the coffee, tamp it into the filter holder and clean the used disc when using an automatic espresso