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47
If your smart labels have no horizontal black bar located within each
liner gap, you must choose between Gap and Advanced Gap
sensing. Run an Auto Calibrate (page 30), then make a Media
Profile printout (page 32). Choose the sensing type that provides
the highest liner gap amplitude compared to the amplitude of the
antenna line. If you select Gap sensing, and then see that the
Media Profile printout shows very little amplitude difference for the
liner gap compared to the amplitude of the antenna line, select
Advanced Gap sensing instead.
Advanced Gap sensing (often called transmissive) uses an LED
array for the upper sensor and a receiver in the lower sensor to
detect infrared light through the liner gap. This sensing has the
advantage of detecting the liner gap as a positive amplitude pulse
and the antenna line as a smaller, negative pulse.
Auto Calibrate
This feature is used to improve the sensitivity and reliability of the
media sensor in detecting gaps, notches, holes, or black marks on
the installed media, as well as a Paper Out condition.
NOTE: You must set the correct Label Length to force Auto
Calibrate to increase media advancement for long labels
(to detect actual gaps, notches, or marks) and decrease
media advancement for short labels.
To initiate Auto Calibrate, scroll to the Auto Calibrate menu and
press the
↵ key. The printer will advance media the distance
needed to accurately detect the label length indicators, then stop at
the top-of-form position and momentarily display the Sensed
Distance. This process takes a few seconds and results in an
update of the printer values.
Auto Calibrate is completed successfully when the Sensed
Distance displayed correctly matches that of the installed media.
With Gap or Advanced Gap selected, the Sensed Distance should
match the length from the trailing edge of one gap to the trailing
edge of the next gap (one label + one gap). With Mark selected, the
Sensed Distance should match the length from the leading edge of
one black mark to the leading edge of the next black mark.
Auto Calibrate supports label lengths up to 24 inches.