BASIC MAINTENANCE
Section 4-7
Raster engraving appears sharp on both
ends of the engraving but fuzzy in the
middle
• Dirty laser system
• Something is loose
• System needs tuning
• Worn X-axis belt and/or drive gear
• Faulty laser tube
• Clean all optics, rails, bearings, belts
• Check X-axis bearings, drive gear,
idler pulley, belt, and optics
• Run “Tuning” feature in printer driver
• Replace belt and/or drive gear, and
run “Tuning” feature
• Replace laser tube
Engraving does not appear as deep as it
normally does
• Graphic, graphic software, graphic
software setup, color palette,
monitor display colors, or driver
settings have changed
• Out of focus
• Material or material density has
changed
• Settings have changed
• Dirty laser system
• Laser tube cooling fan filters are
dirty
• Ambient temperature not within
specifications
• Laser beam out of alignment with
the optics
• Air Assist cone misaligned (air
assisted versions only)
• Faulty laser tube
• Check to see what has changed.
Use “Software Setup Guide” to
properly setup the graphics software
to work correctly with the laser
system. Check driver settings.
• Re-focus
• Check material
• Check power, speed, PPI, and DPI
settings
• Clean all optics, rails, bearings and
belts
• Check and/or clean
• Adjust ambient temperature to within
specifications
• Check and/or adjust laser beam
alignment
• Check and/or adjust cone so that
laser beam is in center
• Replace laser tube
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
• Out of focus
• Dirty laser system
• Material is not level or varying in
thickness
• Table is not level
• Laser beam out of alignment with
the optics
• Air Assist cone misaligned (air
assisted versions only)
• Faulty laser tube
• Re-focus
• Clean all optics, rails, bearings, belts
• Check focus point of material and
different places, adjust height by
shimming material or using more
thickness-consistent material
• Using the focus tool, focus directly
on the surface of the table in all four
corners. Table should be within +/-
.020 inches from one corner to the
other. Adjust if necessary.
• Check and/or adjust laser beam
alignment
• Check and/or adjust cone so that
laser beam is in center
• Replace laser tube
Engraving appears “halftoned” and not
solidly filled when using colors other than
black
• Graphic, graphic software, graphic
software setup, color palette,
monitor display colors, or driver
settings have changed
• Check to see what has changed.
Refer to the “Computerized
Controls” manual to properly setup
the graphics software. Check driver
settings.
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