Printronix T5204R Administrator's Manual page 56

Chapter 2
Printing Adjustments
Sensing Media with Gaps, Notches, or Holes (Gap)
Visible Red Beam
from Lower Sensor
Position the lower media sensor for detecting gaps, notches, or holes in
media with a white background. If using direct thermal media, position the
upper sensor away from the lower sensor.
NOTE: The 4 inch SL/T5R media guard is divided into three open sensor
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 59.
5. Perform an Auto Calibrate. See "Running Auto Calibrate" on page 60.
56
areas. Make sure the media sensor is placed in an open area.
Upper Sensor
Media Guard
Opening