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Print head burn line adjustment screw
The print head adjustment screws are used to fine tune print quality for different
thicknesses of media. Turning the knobs adjusts the print head burn line forward
or backward relative to the platen roller.
Usually no adjustment is required, so proceed with caution as incorrect setting
may move the print head burn line from its optimum position, reducing print
quality and possibly damaging the printer.
To re-optimise the print head burn line by moving it forward, increase print head
pressure as in section above and turn these screws counter-clockwise. Test print.
Continue to adjust and test until the highest print quality is achieved.
Attention: The print head moves 0.7 mm for each 360 degree turn. Proceed with
caution, turning the screws only ¼ of a turn each time and in the same direction
of rotation.
Print Head Adjustment Screws
Figure 4. Print Head Adjustment Screws
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