The espresso maker is working properly. If one fills the 3-cup filter coffee and takes water for 6 cups, the is already a very strong coffee. Foam on the coffee may be at a coffee percolator of this type do not expect for the coffee tastes better than to homes Capsule Espresso. The best coffee I scored with EZA Jambo Espresso (Fairtrade). For 6 cups, the machine takes just 7 minutes. Cup size: 6 cups comply with this espresso maker a good pint. Tip: The more often the Cloer is used, the better the coffee. If it is longer unused, it is recommended that before the coffee making empty pass, only with water, insert.