Switch off the mains on the back of the machine.
Remove the bean hopper. Close and unlock the coffee bean hopper carefully move it away.
Close the grinder feeder funnels. Pull the green handles to close the funnels.
Remove the coffee bean funnels.
Place a vacuum cleaner onto the grinder openings.
Place the coffee bean funnels back and push back the two green handles to open the funnel.
Place the coffee bean hopper back onto machine and lock it.
Remove the cover of the bean hopper.
Fill each side of the partition wall with coffee beans.
Place the cover of the bean hopper back.