maintenance/
troubleshooting
102
SYNRAD OEM v40 Operator’s Manual Version 4
Caution
possible
equipment
damage
If you operate your laser or marking head in a dirty or dusty environ-
ment, contact SYNRAD about the risks of doing so and precautions
you can take to increase the longevity of your laser, marking head,
and associated optical components.
Troubleshooting
Beam delivery optics
Caution
possible
personal
injury
A risk of exposure to toxic elements may result when certain optical
or beam delivery components are damaged. In the event of damage to
laser, marking head, or beam delivery optics, contact SYNRAD, Inc.
or the optics manufacturer for handling instructions.
Danger
serious
personal
injury
Ensure that DC power to the laser is turned o and locked out before
inspecting optical components in the beam path. Invisible CO
2
laser
radiation is emitted through the aperture. Corneal damage or blind-
ness may result from exposure to laser radiation.
Symptom:
■ The laser loses power over time; laser output power must be increased to maintain performance.
Possible Causes:
■ Beam delivery optics are coated by vapor residue or debris.
Shut down the laser and carefully inspect each optic in the beam delivery path, including the laser’s out-
put coupler. Remember that optics are fragile and must be handled carefully; preferably by the mount-
ing ring only. If the optic requires cleaning, refer back to Maintenance for cleaning instructions. Use only
recommended cleaning materials (see rst table in this chapter) to prevent scratching delicate optical
surfaces.
If the focusing optic is pitted, it must be replaced immediately. Because of the extremely high power den-
sity of Firestar lasers, pits or debris on the lens surface may absorb enough energy from the focused beam to
crack the lens. If this happens, other optics in the beam path may be contaminated or damaged as well.
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