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Chapter 2 Printing Adjustments
Sensing Media with Gaps, Notches, or Holes (Gap)
Position the lower media sensor for detecting gaps, notches, or holes in
media with a white background. Place the upper sensor above the lower
sensor to provide a consistent background.
1. Position the lower sensor directly under the center of the gap, notch, or
hole.
2. Check the position of the lower sensor by looking through the long,
narrow opening in the media guard. Use the visible red light emitting from
the lower sensor as a reference pointer.
3. Use the sensor handle to manually position the sensor to the center of the
gap, notch, or hole in the media.
4. Select “Gap” in the Gap/Mark Sensor submenu under the CALIBRATE
CTRL menu. See “Sensing Different Media Types” on page 77.
5. Perform an Auto Calibrate. See “Running Auto Calibrate” on page 78.
Media Guard
Opening
Visible Red Beam
from Lower Sensor
Upper Sensor
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