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5
LASER SAFETY
The ProX 800 uses a UV (ultraviolet) solid-state frequency tripled Nd:YVO4 laser which utilizes a 355 nm wavelength laser with
a maximum power output of 3 watts (EN/IEC 60825-1:2007). The laser is located in the
overview of the printhead, refer to the section
Class I
The ProX 800 is a
laser product. Class I products are not considered harmful and require no special safety precautions
under normal operating conditions. The laser beam is completely confined. The viewing windows in the Print Chamber block
the UV laser radiation from exposure outside of the print area.
RADIATION: Operating the equipment or performing procedures other than those specified within this guide
may result in exposure to hazardous, invisible laser radiation .
RADIATION: Never stare directly into a laser beam, nor into any beam reflection, whether diffused or from a
mirror-like surface .
RADIATION: During normal operation, and with all panels installed, the ProX 800 is classified as a Class I laser
device . If any of the interlocks are defeated, the ProX 800 becomes a
looking directly into the beam or by viewing any type of beam reflection.
RADIATION: Interlocks are to be defeated only by trained personnel when needed during service procedures .
CONTROL SWITCHES
The locations of control switches are illustrated in the section,
Emergency power shut-off switches are described in the following paragraphs.
Master Power Shut-off
The ProX 800 has a master circuit breaker switch located on the electrical cabinet module
on the right side of the machine. See the illustration in the section,
Inside View" on page
18.
Emergency Stop
All ProX 800 printers have Emergency Stop (E-Stop) buttons on the right-side panel and
inside the print chamber. They are bright red with a yellow background. Pressing one cuts
power to all moving axes, closes the laser shutter, and puts the laser in safe mode. To
release the E-Stop, pull it out and turn it clockwise. The system cannot run while an E-Stop
is depressed.
CAUTION: The Emergency Stop Button should be used when there is a fail
situation in the system . Use the emergency stop button when the system
needs to be stopped quickly .
USER INTERFACE LASER LED
The user interface, which is detailed in the section
whether or not the laser is enabled. If it is illuminated solid blue, the laser is enabled and can be used. When the laser is not
enabled, the LED will be dimmed.
3D Systems, Inc.
"Printhead Overview" on page
"ProX 800 System Components" on page
"ProX 800 Printer -
"User Interface" on page
"Laser Enabled" Indicator on User
Interface
8
Printhead
area of the ProX 800. For an
23.
Class IV
device . Eye damage can occur by
Main Power Disconnect
Emergency Stop Button
24, contains a blue LED light that indicates
17. Master and
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Troubleshooting
