Aug 19, 2021 · Use a soft brush to remove the coffee bean residue in the area where the grinder fits. Wipe off any coffee dust with a damp, lintfree cloth. Scrub the chute and crevices, then reconnect the grinder to the espresso machine. Steam wand: Use a damp cloth to wipe down the exterior. Turn the wand tip to the drip tray and run steam for about 10 seconds.