There can be several reasons why your coffee doesn't taste quite right. So your coffee doesn't taste good due to a lack of cleaning, but also by using the wrong beans or wrong settings. 1. You haven't cleaned your device in a long time If you have done this more than a month ago with detergent, you should clean your device. click here for supplies and explanation. 2. You recently descaled or cleaned your appliance. There may be some slight residue left in the device. In time this will disappear again. You can rinse the device 1 or 2 times to speed up this process. 3. Use the correct settings on your device. a. Your coffee is too weak Make your cup of coffee a little smaller, the bigger your coffee, the less strong it will be. We also advise you to increase the grams. click here for an explanation of how to adjust the bean grinder. b. Your coffee tastes different from your previous machine Each device has its own taste. Try out different beans, because this is the basis of your cup of coffee.