Datamax W-Class Maintenance Manual page 21

Adjustments and Maintenance
Example 1 – Over adjustment of the cam:
Too much adjustment produces an image that fades across the label. To
correct this, decrease the setting of the Leveling Cam.
Example 2 – Correct adjustment of the cam:
Proper adjustment produces a complete image, with even print contrast across
the label (see note below).
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Note: Under-adjustment of the Leveling Cam can cause ribbon wrinkling, lateral
label movement, and excessive wear on the printhead and platen roller.
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