I bought the same coffee Center at Rossmann and had the same findings. What is already noticeable in the description that the screen is intended for two cups and the amount of water for four. Here is a Konstruktionsfwehler. Of course you can get for the price any brand machine, but they should work. That's why I'm waiting to ALDI another has on offer, the price is approximately E 50, - durability approximately 2 years. Here you have a delicious espresso.