How to clean my fully automatic espresso machine?

Cleaning for KF3, KF4, KF6, KF7, and KF8
It depends on the frequency of the usage of your coffee machine. The screen will prompt you as to when the cleaning cycles need to be run as well as prompt you on every step.

Cleaning for KF2
As the machine comes with no screen, the KF2 will flash a prompt and the Owner's Manual will provide detailed instructions.