Group cleaning. Follow these steps:
- Place the blind filter in the portafilter
- Add 1 tea spoon of detergent powder (3-5 grams) in the blind filter
- Insert the portafilter into the brewing group
- Switch the espresso switch on for about 10 seconds
- Stop the espresso brewing and wait for 10 seconds
- Without removing the portafilter, repeat this operation 5 times
- Remove the portafilter, switch the espresso switch on again and rinse the portafilter under the hot wa- ter that comes out of the group. Turn the switch off
- Clean the brew group and the brew gasket first with the brush and then with a damp cloth in order to