Carefully lift off the top and flip it to the side. It will hang from the few wires going to the control knob.

Take note that the chrome grind adjuster is set to fine and the stop-screw in the third pic is up against the plastic stop pointed to by the bottom yellow arrow.

Finally, take a photo of the gap between the lip of the "upper burr holder" and the internal "grind adjustment cylinder" illustrated in the third picture by the green arrows. At reassembly later it will be very important we get back to this gap. Having a photo will help you know you have succeeded.