Printronix Auto ID T820 - Page 37

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Sensors > Control > Gap/Mark Sensor
The available options specify the sensor type needed for detecting the
Top-of- Form position on media with label length indicators (gaps, notches,
holes, or black marks).
Disable
Select when using media with no label length
indicators (no gaps, notches, holes, or black marks), or
when you want the printer to ignore all existing label
length indicators on the installed media.
Mark
Select when using media that has horizontal black
marks located on the underside of the label liner or tag
stock. Also used for tag stock with notches, or holes
used as label length indicators.
Gap
Select when using media with a horizontal liner space
between die-cut labels or horizontal black marks
located on the upper side of the label liner.
Media with No Label Length Indicators
1. When using media without label length indicators (no gaps, notches,
holes, or marks) or when you
want to ignore all existing length indicators,
place the triangle mark ▽ on the media sensor assembly in
the center of the media so it can detect when a
Paper Out condition exists.
2. Select “Disable” in the Sensors > Control > Gap/Mark Sensor menu. See Section “Sensors > Control”.
3. Perform an Auto Calibrate.
Media with Underside Horizontal Black Marks
1. Position the triangle mark
▽ on the media sensor assembly in the center of the horizontal black marks
located
on the underside of media.
2. Select “Mark” in the Sensors > Control > Gap/Mark Sensor menu.
3. Perform an Auto Calibrate.
Media with Gaps, Notches or Holes
1. Position the triangle mark
▽ on the media sensor assembly in the path of the gaps, notches, or holes
in media.
2. Select “Mark” in the Sensors > Control > Gap/Mark Sensor menu.
3. Perform an Auto Calibrate. See Running Auto Calibrate on page 38.
Media with Gaps
4. Media with a horizontal liner space between die-cut labels or horizontal black marks located on the
upper side of the label liner.
5. Select “Gap” in the Sensors > Control > Gap/Mark Sensor menu.
6. Perform an Auto Calibrate. See Running Auto Calibrate on page 38.