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2.4 Electrical Safety Instructions
• ONLY use this device with a compatible and stable power supply with less than 5% fl uctuation in its voltage.
• DO NOT connect other devices to the same fuse, as the laser system will require its full amperage. Do not use
standard extension cords or power strips. Use only surge protectors rated over 2000J.
• ONLY turn on the power to this device when it is well-grounded, either via a fi rm connection
to a 3-prong outlet or via a dedicated grounding cable fi rmly connected to the ground cable
connection on the machine’s rear. Do not use an ungrounded 3 to 2 prong adapter. The device's
grounding should be checked regularly for any damage to the line or loose connections.
• The area around this laser engraving device should be kept dry, well ventilated, and environmentally controlled
to keep the ambient temperature between 40–95°F (5–35°C). For best results, keep the temperature at 75°F (25°C)
or below. The ambient humidity should not exceed 70%.
• Do not handle the water pump (or the water in which it is submerged) while it is connected to its power supply.
Place it in water before connecting it to power and disconnect it from power before removing it.
• Adjustment, maintenance, and repair of the electrical components of this device must be made ONLY by trained
and skilled professionals to avoid fi res and other malfunctions, including potential radiation exposure from
damage to the laser components. Because specialized techniques are required to test the electrical components of
this marking system, it is recommended such testing only be done by the manufacturer, seller, or repair service.
• Unless otherwise specifi ed, ONLY undertake adjustment, maintenance, and repair of the device when it is turned
off , disconnected from its power supply, and fully cooled.
2.5 Material Safety Instructions
• Users of this laser engraving machine are responsible for confi rming that processed materials can withstand the
heat of the laser and will not produce any emissions or byproducts either harmful to people nearby or in violation
of local or national laws or regulations. In particular, do not use this device to process polyvinyl chloride (PVC),
tefl on, or other halogen-containing materials under any circumstances.
• DO NOT use high power settings at very low speeds when engraving highly fl ammable
materials. Instead, use more repetitions of your design at low power settings to achieve a similar
eff ect.
• Users of this laser engraver are responsible for ensuring that every person present during operation has suffi cient
PPE to avoid injury from the emissions and byproducts of the materials being processed. In addition to the
protective laser eyewear described above, this may require goggles, masks or respirators, gloves, and other
protective outer clothing.
• DO NOT ever use this laser engraver under any circumstances if the exhaust system is not working properly.
Always ensure that the exhaust system can remove the dust and gas produced by the engraving process in
accordance with all applicable local and national laws and regulations. Immediately stop use and clean or repair
the system if the exhaust fan or vent pipe begins making more noise than usual or otherwise malfunctions.
ONLY use this engraver when its air assist is working properly.
• Users must exercise special caution when working with conductive materials as the buildup of their dust and
ambient particles may damage electrical components, cause short circuits, or produce other eff ects, including
refl ected laser radiation.
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