Originally Posted by Fumes

It's just a matter of tapping the grounds container at various times to discharge the static. A couple times in the front while grinding (the container tends to vibrate out of place, so this keeps the container in place as well) and then a couple times on each side when the grinding is complete. It's not a complete solution, but it helps keep the mess down a little.

Originally Posted by Mister Moo

If you whip a bamboo chopstick inside the grounds reservoir for a second or two that'll usually kill static.