La Marzocco micra Serie Manuel page 24

When brewing, the Coffee group
9
pressure should be between 8-10
bar. The steam boiler pressure
should be set at 1.8 bar but can
operate at any setting between 1.3
bar and 2 bar.
24
When the espresso machine is ready, (red indicator
8
light ON) place ground coffee into the portafilter
and activate the brewing process.
Coffee group
pressure gauge
Steam boiler
pressure gauge