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Unit 5: Troubleshooting
GL408-412e Operator Manual
5-13 PN: 9001163A
Figure 6-2, Sample Test Label
NOTE: The only print problem that the following sample test label does not display is
fading of print image from one side of the label to the other. This is the result of
improper print head balance.
Verifies printer settings.
Compare this scale on each
side to ensure the print is
evenly spaced vertically.
Visually inspect these
rows for voids
indicating defective
head elements.
Line sharpness is
determined by print
speed and darkness.
Verifies program data.