SECTION 8

Troubleshooting

Engraving Quality

 

Problem

 

 

Possible Cause

 

 

 

Possible Solution

 

 

 

 

“Fuzzy” looking raster engraving or

Dirty laser system

Clean all optics, rails, bearings and belts

 

small text appears like a “double

Graphic, graphic software, graphic software

Check to see what has changed. Use

image”

 

 

 

setup, color palette, monitor display colors, or

 

“Software Setup Guide” to properly setup the

 

 

 

 

driver settings have changed

 

graphics software to work correctly with the

 

 

 

 

 

 

laser system. Check driver settings.

 

 

 

 

 

 

Speed to fast for the material

Slow down engraving speed

 

 

 

 

 

 

 

Out of focus

Re-focus

 

 

 

 

 

 

 

 

 

 

 

System needs tuning

Run “Tuning” feature in printer driver version

 

 

 

 

 

 

4.17 and higher

 

 

 

 

 

 

 

 

 

Worn X-axis belt and/or drive gear

Replace

belt

and/or

drive

gear,

and

run

 

 

 

 

 

 

“Tuning” feature

 

 

 

 

 

 

 

 

 

Laser Tube is faulty

Replace laser tube

 

 

 

 

 

 

Fine detail is missing such as the

Speed too fast for the material

Slow down engraving speed

 

 

 

 

serif’s of characters or thin lines of

Out of focus

Re-focus

 

 

 

 

 

 

 

 

script fonts when raster engraving

System needs tuning

Run “Tuning” feature in printer driver version

 

 

 

 

 

 

4.17 and higher

 

 

 

 

 

 

 

 

 

Laser spot size too big

Use shorter focal length lens

 

 

 

 

Vertical or

diagonal background

Dirty laser system

Clean all optics, rails, bearings and belts

 

pattern present when

raster

Slight pattern is normal

Don’t remove so much material or try

engraving large areas and/or large

 

 

 

engraving shallower or deeper. Try changing

amounts of material

 

 

 

 

PPI and or DPI

 

 

 

 

 

 

 

 

 

 

 

 

Use

a

50%

black

fill

to

“halftone”

the

 

 

 

 

 

 

background which can hide the pattern

 

 

 

 

 

If the pattern is excessive:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Loose motion system components

Check X-axis bearings, belt, optics

 

 

 

 

 

 

Worn or damaged X-axis bearings

Replace X-axis bearings

 

 

 

 

 

 

 

 

Worn or damaged X-axis rail

Replace X-axis arm

 

 

 

 

 

 

Horizontal

background

pattern

Dirty laser system

Clean all optics, rails, bearings and belts

 

present when raster engraving large

Slight pattern is normal

Don’t remove so much material or try

areas and/or large amounts of

 

 

 

engraving shallower or deeper. Try changing

material

 

 

 

 

 

PPI and or DPI

 

 

 

 

 

 

 

 

 

 

 

 

Use

a

50%

black

fill

to

“halftone”

the

 

 

 

 

 

 

background which can hide the pattern

 

 

 

 

 

If the pattern is excessive:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Laser is too cold or hot

Check and/or clean filters

 

 

 

 

 

 

 

 

 

 

Make

sure ambient

temperature

is

within

 

 

 

 

 

 

specifications

 

 

 

 

 

 

 

 

 

 

Laser tube is faulty

Replace laser tube

 

 

 

 

 

 

Engraving

disappears,

becomes

Normal condition. The laser system needs to

Move

graphic

and/or

material to

the

right,

“lighter”, or appears “choppy” when

 

accelerate and decelerate within this area

 

outside of this area

 

 

 

 

 

 

raster engraving within ½ inch of Y-

 

 

Slowing the raster speed down reduces the

axis ruler

 

 

 

 

 

effect

 

 

 

 

 

 

 

 

 

Page 111
Image 111
Universal Laser Systems X2-600, X-600 manual Troubleshooting