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QLS-4100 X 84
Printhead Tangency Alignment
The proper alignment of the printhead over the platen roller produces optimum
transfer of ribbon to the media. Although this mechanical adjustment is a factory
setting, there are situations where a slight repositioning of the platen support strut
will optimize print quality on different media types and thicknesses.
Tools Needed
7” long, #2 Phillips Screwdriver
3/16” Open End Wrench or Adjustable Wrench
Loosen the two outside screws on either side of the platen shaft end plate.
Insert the #2 screwdriver through the hole in the frame plate just to the right of the
endplate.
Loosen the screw on the main plate located inline with the hole.
Print a block image the width of the label with a saturated color fill of the print
station to be adjusted (i.e. pure Cyan, Magenta, Yellow, Black, or Spot Color).
Print several labels and rotate the shaft protruding out of the frame plate just
under the station printing the image. Turn the knob with the 3/16” wrench until the
printed blocks appear fully saturated with no lines, breakup, or white pinholes
throughout the fill.
Press the PRINT/PAUSE key to pause printing.
Tighten the three screws at the main plate and at the platen shaft end plate.
Press the PRINT/PAUSE key to resume printing a few more labels to verify that
the alignment has been optimized.
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