Printronix SL5000r RFID Smart Label and Thermal Printers - Manual (Page 70)

70
Chapter 2 Printing Adjustments
Sensing Dark Background Media with Notches or Holes
(Advanced Notch)
NOTE: Ribbon is not displayed in this illustration. The upper and lower
sensors are designed to function with or without ribbon installed.
The upper sensor and lower sensor are used together to detect notches or
holes in media with a black or dark underside. This combination can be found
on tag stock that has a black vertical line along one edge on the underside of
the label, interrupted by a notch or hole used as the label length indicator.
1. Position the lower sensor directly under the center of the notch or hole,
and then place the upper sensor directly over the lower sensor.
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
notch or hole in the media. Then use the handle on the upper sensor to
position it directly above the lower sensor.
NOTE: When using ribbon, you may need to slide the ribbon to one side to
adjust the upper sensor.
4. Select “Advanced Notch” in the Gap/Mark Sensor submenu under the
CALIBRATE CTRL menu. See “Sensing Different Media Types” on
page 71.
5. Perform an Auto Calibrate. See “Running Auto Calibrate” on page 72.
Visible Red Beam
Lower Sensor
Upper Sensor
Handle
Media Guard
Opening
Upper Sensor
Black line
on underside
of media