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Engraving Quality
Problem
"Fuzzy" looking raster engraving or
small text appears like a "double
image"
Vertical or diagonal background
pattern
present
when
engraving large areas and/or large
amounts of material
Horizontal
background
pattern
present when raster engraving large
areas and/or large amounts of
material
Raster engraving appears sharp on
both ends of the engraving but fuzzy
in the middle
Engraving does not appear as deep
as it normally does
Engraving is sharp, clear and at a
good depth on one side of the table
and fuzzy and shallow on the
opposite side of the table
Appendix C – Troubleshooting Guide
Possible Cause
Out of focus
•
Dirty laser system
•
Worn X-axis belt and/or drive gear
•
Laser Tube is faulty
•
•
Dirty laser system
•
raster
Slight pattern is normal
•
If the pattern is excessive:
Loose motion system components
•
Worn or damaged X-axis bearings
•
Worn or damaged X-axis rail
•
Out of focus
•
Dirty laser system
•
Slight pattern is normal
•
If the pattern is excessive:
Laser is too cold or hot
•
Laser tube is faulty
•
Out of focus
•
Dirty laser system
•
Something is loose
•
Worn X-axis belt and/or drive gear
•
Laser tube is faulty
•
Out of focus
•
Material or material density has changed
•
Dirty laser system
•
Laser tube cooling fan filters are dirty
•
Ambient temperature not within specifications
•
Laser beam out of alignment with the optics
•
Faulty laser tube
•
Out of focus
•
Dirty laser system
•
Fixture is not level
•
Laser beam out of alignment with the optics
•
Faulty laser tube
•
Possible Solution
Contact Technical Support
•
Clean all optics, rails, bearings and belts
•
Try engraving in the upper right corner of the
•
engraving area. If engraving improves, send
X-axis arm to ULS for repairs.
Replace laser tube
•
•
Clean all optics, rails, bearings and belts
•
Check X-axis bearings, belt, optics
•
Replace X-axis bearings
•
Send X-axis arm to ULS for repairs
•
Contact Technical Support
•
Clean all optics, rails, bearings and belts
•
Check and/or clean filters
•
Make sure ambient temperature is within
•
specifications
Check AC electrical supply for power
•
instability
Replace laser tube
•
Contact Technical Support
•
Clean all optics, rails, bearings and belts
•
Check X-axis bearings, drive gear, idler
•
pulley, belt, and optics
Send X-axis arm to ULS for repairs
•
Replace laser tube
•
Contact Technical Support
•
Check material
•
Clean all optics, rails, bearings and belts
•
Check and/or clean
•
Adjust ambient temperature to within
•
specifications
Contact Technical Support
•
Replace laser tube
•
Contact Technical Support
•
Clean all optics, rails, bearings and belts
•
Check Fixture installation
•
Contact Technical Support
•
Replace laser tube
•
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