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3.1.2 Laser
The above Class 4 laser warning label is also located in the Fuse 1. It can be seen on the laser module
heatsink. It is visible when the rear cover of the printer is opened by an authorized technician.
Class 1 laser product. The laser beam is extremely harmful to the eyes and skin,
capable of causing permanent blindness. Avoid direct contact at all times. The Fuse
1 contains redundant interlock systems to automatically shut o the laser when the
print enclosure door is open, or if the IR sensor is out of place. If these systems are
tampered with or fail, there is a risk of exposure to Class 4 laser light. Use of controls
or adjustments or performance of procedures other than those specified herein may
result in hazardous radiation exposure. Only remove the exterior paneling of the
machine with authorization from Formlabs Support or a certified service provider.
Accessible radiation is within Class 1 limits. The laser diode used inside the device has the
following specifications:
Parameter Unit
Diode 1065 nm
Maximum output 10 W
Beam divergence 4.01 mrad (nominal, full angle)
Certification ISO 11553-1:2020
ISO 11252:2013
ISO 11554:2017
3.1.3 Powder
Dust deposits should not be allowed to accumulate on surfaces. Clean dust residues at regular
intervals. Do not use brooms or compressed air hoses to clean surfaces. Only use a compliant
vacuum that is grounded and bonded, such as a Class II, Division 2 vacuum, for dust collection.
Use only non-sparking tools. Keep powder containers tightly closed when not in use.
Use appropriate personal protective equipment when handling loose or unsintered powder.
Wear non-reactive nitrile gloves and safety glasses. Wear a respirator (N95 or better) if the
occupational threshold limit value for airborne particle concentration has been exceeded, if
you are sensitive to dust or pollen, or you are concerned about your respiratory health. Refer to
section 3.2 Personal protective equipment (PPE) for more information. Handle loose powder
only with adequate ventilation. Avoid breathing mist/vapor/spray/dust. Do not eat, drink, smoke,
or use personal products when handling powder. Avoid contact with skin, eyes, and clothing.
DANGER
WARNING
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