There are no excuses for having a dirty coffee machine. The cleaning process is simple and should be done throughout each shift.
An unclean, poorly maintained espresso coffee machine will result in foul tasting coffee which will be sent back by your experienced coffee loving customers.
Here are answers to some frequently asked questions:
After every time milk is frothed.
Wipe the outside surfaces with a damp cloth using standard household or kitchen detergent.
After every 1 kg of coffee or 140 cups served.