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Unit 4: Printer Configuration
GL408-412e Operator Manual
4-39 PN: 9001163A
Determines if the Label Length value set in the Media Setup menu is used during Run Auto-Cal.
Run Auto-Cal relies exclusively in its ability to detect varying transitions between labels and gaps,
notches, holes, or eye-marks while advancing media during the calibration process to determine
sensed distance. The amount of media advanced is based on the quantity of transitions detected.
Althugh the Use Lable Length keeps its value (enable/disable) at all times, it will always be
disabled when Set Label Length is set to Automatic. The correct setting will take effect when Set
Label Length is set to manual. Based on the setting on the Label Length menu in the USER
MODE, the Use Label Length menu will be ignored.
• Disable - factory default.
• Enable - the Label Length value set in the USER MODE is used in the calibrate algorithm.
This causes the Run Auto-Cal process to advance media the minimum distance to detect the
true gap, notch, hole, or eye-mark used for top-of-form sensing. This resolves problems
where the sensors may mistake high noise levels or preprinted images within the label as the
reference indicator that could result in a sensed distance value much shorter than the actual
label length. Note that setting a Label Length value less than half the actual label length in
use will result in erroneous sensed distance values when Run Auto-Cal is performed.
This option allows the user to select the optimal threshold range for the label stock in use. The
printer defaults to using a threshold range of 50% of the positive going pulse that represents each
reference indicator detected after doing an Auto or Manual calibrate. the printer then detects
anything within the label with that threshold range as top-of-form.
While this range is ideal for most medias, some labels with a preprinted image,liner gap or inlay
can confuse the media sensors causing a false top-of-form detection. In most cases this can be
resolved selecting a higher threshold range so the printer will only trigger on the true top-of-form
position.
Note: A new threshold range will not take effect until an Auto or Manual Calibate is successfully
performed. Run a Media Profile after a Calibrate to visually verify that the new range is the best
possible selection.
The factory default is 50% with an allowable range of 5 to 95% in 5% increments.
Mark Top-Of-Form Detect. Allows selection of the point of measure for the start print position to
be determined.
• Mark Trailing Edge - factory default. Printer adjusts the top-of-form to the label’s trailing
edge.
• Mark Leading Edge - printer adjusts the top-of-form to the label’s leading edge.
SERIAL INTERFACE MODE (TABLE 4-4)
MENU DESCRIPTION
Permits entry into the INTERFACES Mode.
ADVANCED MODE (TABLE 4-3)
MENU DESCRIPTION
Use Label Length
Disable*
Threshold Range
50%*
Mark TOF Detect
Mark Trail Edge*
INTERFACES