Hello- Thank you for your purchase. We are sorry to hear you are having this issue and are happy to help! There is always going to be some level of coffee ground and oils that splash back onto the showerhead lid when the maximum level of coffee grounds is used. What you want to avoid is having the coffee grounds overflow into your coffee in the carafe. Here are a few causes for overflow, and some ways to avoid it. ~ Your coffee maker comes with a gold mesh basket filter in the brew basket insert. You can use a No. 4 paper filter instead, but using both the mesh filter and a paper filter will cause grounds to overflow into the basket insert or could splash coffee grinds and residue on the underside of the lid.

~ We recommend using a medium-grind coffee, when possible. A finer grind is more likely to lead to an overflow of coffee grounds. We also recommend using the scoop that comes with your coffee maker, and use a flush level of grounds. Heaping scoops can lead to too much coffee grounds and can potentially cause overflows. We hope this helps! If you have any questions in the future, please let us know. We are always happy to help! Joyce@Cafe