Media Profile; Sensed Distance; Gap/Mark Thresh - Printronix T5000 User Manual

Chapter 3
CALIBRATE CTRL

Media Profile

This feature provides a graphical printout showing the relationship of the
Paper Out Threshold and the Gap/Mark Threshold. The profile printout
assists the user in setting the thresholds for difficult media. This includes pre-
printed labels, and labels with poor gap/media dynamic range.
When selected, the printer will advance media and print the media profile
along the length of each label. The printer will continue to print the profile until
the ENTER key is pressed.
The factory default is Print Profile.

Sensed Distance

This value (in inches) represents the distance that was sensed between the
TOF of one label to the TOF of the next label. With gapped media installed the
distance equals the physical label length + one gap, notch or hole (trailing
edge of one gap, notch or hole to the trailing edge of the next gap, notch or
hole). With black mark media installed the distance equals the leading edge of
one black mark to the leading edge of the next. This value is automatically
determined only after successful completion of Auto or Manual Calibrate and
cannot be changed manually.
The factory default is 0.00 inches.

Gap/Mark Thresh

This menu item sets a value that, when exceeded by the output of the media
sensor, is recognized by the printer as a gap (or black mark). When Auto or
Manual Paper Calibrate is performed, the value displayed is equal to the
gap/mark threshold value set by this procedure. If running the procedure does
not provide a reliable Top-Of-Form detection, e.g., when using unusual
media, the Gap/Mark Thresh value can be manually set to the desired value.
The range is 000-255, and the factory default is 171.
Paper Out Thresh
This menu item selects a value that, when exceeded by the output of the
media sensor, is recognized by the printer as a paper out condition. When
Auto or Manual Calibrate is performed, the value displayed is equal to the
paper out threshold value set by this procedure. If running the procedure does
not provide a reliable paper out detection, e.g., when using non-standard
media, the Paper Out Thresh value can be manually set to the desired value.
The range is 000-255, and the factory default is 250.
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