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Printronix T8000 - Running Auto Calibrate

Printronix T8000
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41
Auto or Manual Calibrate is completed successfully when the displayed
Sensed Distance value correctly
matches that of the installed media. When
Gap is selected, the Sensed Distance should match the length
from the
trailing edge of one gap to the trailing edge of the next gap (or one label + one
gap). When Mark is
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.
When you have completed Auto or Manual Calibrate, you can verify the new
values are correct by
pressing the FEED key several times. Each time you
press FEED, media advances one label and stops at
the correct Top-of-Form
position of the next label.
Once you confirm the correct values, save them to the desired configuration
menu before powering off the
printer. See Saving a Configuration page 54.
Running Auto Calibrate
You can initiate Auto Calibrate via the Home Screen ICON or via the Sensors menus within the
Settings section.
NOTE: Verify that the Gap/Mark Sensor option (Gap, Mark, Advanced Gap,
Advanced Notch, or
Disable) matches the installed media. See
Sensing Different Media Types page 40.
Check that the media sensors are horizontally positioned to permit
sensing of the label length
indicators. See Positioning the Media Sensors page 35.
Make sure the Media > Image > Label Length value matches the physical length of the installed
media. Entering the
correct length forces the printer to advance media far enough during
calibrate for long labels (so actual gaps, notches, and marks can be
detected) and reduce the
amount of media advanced for short labels.
If you try to do an Auto Calibrate when Peel-Off Media Handling is
enabled, the LCD will
display “CANNOT CALIBRATE” error. Before you can do an Auto Calibrate, you must select
another
media handling mode.
1. Press the PAUSE key to place the printer OFFLINE (Home Screen).
2. Select the Calibrate ICON and press the ENTER key.
3. Media advances until it can accurately detect the label length
indicators and then stops at the
Top-of-Form position. The Sensed
Distance value will then display for one second.
4. Auto Calibrate is successful when the Sensed Distance value correctly
matches that of the installed
media:
Gap/Mark Sensor = Gap, Advanced Gap, or Advanced Notch:
The Sensed Distance value
is the physical length of one label plus
the length of one gap, notch, or hole.
Gap/Mark Sensor = Mark: The Sensed Distance value is the
physical distance from the
leading edge of one black mark to the
leading edge of the next.
Gap/Mark Sensor = Disable: Not applicable. If Gap/Mark Sensor is
set to Disable, the Sensed
Distance value will not be updated.
If “GAP NOT DETECTED” displays, run Auto Calibrate again.
If Auto Calibrate continues to end with an incorrect Sensed Distance
value displayed or a fault
message displayed, run Running Manual Calibrate as
described on page 46 or see Table 13 on
page 258.
NOTE: The amount of media sampled during Auto Calibrate is based on the
length of a label and
transitions detected, without error, between a
label and its label length indicators.
5. Press the FEED key several times. Each time you press FEED, the media
advances one label length
and stops.

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