NOVO MARK II Original Instructions Manual page 44

Cleaning Nozzle
Although it is not necessary to clean the nozzle, clean as below instruction in case you wish
to clean.
Use copper scrubbing brush. Do not use Stainless one causing scratches.
※ Caution: Make sure that machine is completely cooled down.
Rotate the glass to set.
Lock with both fitting parts.
Take out the metal hook and place the shutter.
Now you can turn on the main switch and hold "CLOSE" button
till stops in Setting screen.
44