Saeco Minuto / drip tray full, little coffee,etc

Hello dear people,

after years ago the forum was already a valuable help to me and I got because of it by the change of the Raccord the machine again to the running, I try it here and today again with new problem.

- drip tray becomes excessively fast full
- the "squeezed out" coffee (powder) lands very muddy in the drip tray. At the time it was dry, solid "pods" I'll say
- there are sometimes squeaking noises during brewing while dispensing coffee
- The dispensing amount is not what it was at the beginning. Say: I also had to teach a longer delivery time to get the same amount of coffee in the cup

I have already decalcified a few times. However, not as regularly as needed for quite a while either. I ordered a gasket kit and just changed the large gasket at the top of the brew group for now.

Is the machine simply calcified and therefore a larger part of the water ends up in the drip tray and not in the cup (through a pressure relief valve or something?). Or do other seals (e.g. on the brew group) need to be replaced? What role does the greasing of the mechanism at the brew group?

For your support I thank you in advance :-)