The brewing unit in the coffee machine is necessary to prepare the drink. It is responsible for forming that perfect disc that ends up in the grounds container. That is why flawless operation of the brewer is important.
In every espresso machine, it can be removed and needs to be cleaned of coffee residue.
Once a month, it is a good idea to lubricate the brewing unit with silicone grease. The device will not wear out so quickly.
1x brew unit as shown
SEM750
SEM750B
SEM800
SEM800B
SEM800W