How Do You Program A KB90?

Soak the screen and screw in espresso cleaning solution and hot water for 5 minutes. Rinse thoroughly with warm water and wipe any residue off the screen and screw Place the diffusion screen and screw back in to the machine. Screw in with your fingers as far as you can and then use the screwdriver … Read more

How Do You Calibrate A Mastrena Espresso Machine?

The Ristretto is made by extracting 2/3 of an ounce of water through a single dose (1/4 ounce) of coffee, using the single group handle. Since an espresso extraction should be calibrated to 30 seconds , the Ristretto extraction will take about 20 seconds. What is the calibration time of espresso machine? The Ristretto is … Read more