Datamax H-4212X, Operator'S Manual

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72 H-Class
4.3.2 Ribbon Test Label
The Ribbon Test Label serves as a transfer function indicator
for printers equipped with the thermal transfer option.
Consisting of a fence-oriented bar code, this format can be
used to ensure component functions and ribbon path
alignment.
4.3.3 Test Label
The Test Label serves as an indicator of printhead
functionality. The format consists of patterns that exercise
all thermal elements.
4.3.4 Validation Label
The Validation Label serves as an overall quality indicator.
Consisting of compliant fence and ladder bar codes, assorted
font sizes, and black fill patterns, this format can be used to
ensure conformance as well as aesthetics.