(1) In case of discharge due to humidity or other reasons during adjustment and use of CO2 laser marking machine, it shall be shut down immediately for maintenance.

(2) The CO2 laser marking machine can work continuously for 4 hours at low current and shorten the service time at large current.

(3) The casing shall be grounded, and the power line shall be single-phase three wire.

(4) When the light guide joint arm is not in use, please place it in the drying oven to prevent the lens from mildew.

(5) During maintenance, cut off the power supply and conduct high-voltage discharge to ensure safety.