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5.2 Pre-Engraving Preparation
5.2.1 Checking
1. Make sure the power supply is ok.
ALARM NORMAL FULL
FULLNORMALALARM
2. Check and fill the water chiller.
a. Inspect the water chiller’s gauge to ensure that your
cooling liquid is completely clear and in the upper half of
the green “NORMAL” zone.
b. If the level is low, fill the chiller with the laser-safe
antifreeze or distilled water.
3. Ensure proper ventilation.
a. Turn on the fume extractor system and check its functionality.
b. Make sure that any back-up ventilation systems are in place and running smoothly.
4. Open the engraver’s cover, confirm the air assist is working well, blowing air through the nozzle.
NEVER operate the laser if the fan and ducts are not working to purify or
remove the fumes produced by the target material. Research materials before
use and never operate the laser on any (such as PVC, teflon, and other halogen-
containing substances) that can produce corrosive, hazardous, or even deadly
fumes.
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