Procedure

Follow the steps below to turn the laser engraver on

Turn on the power switch to the outlet strip behind the machine
Turn on the controller power switch on the side of the machine
Turn on the air pump power switch on the side of the machine
Turn on the water cooler power switch

When the water cooler turns on it will beep several times as it initializes. If it beeps later on then it means there is a problem with it.
Turn on the laser power switch on the side of the machine
Wait for the laser head to stop moving and the controller to finish initializing

After the laser engraver is powered on you can run your design on it.

"O LORD, how manifold are your works! In wisdom have you made them all; the earth is full of your creatures. - Psalm 104:24"