Printronix SLPA7000 User Manual page 61

Sensing Media with Dark Background Labels with Gaps
(Advanced Gap)
Fixed Upper Sensor
Visible Red Beam
Lower Sensor
Figure 26. Dark Background Media with Gaps
NOTE: Ribbon is not displayed in this illustration. The upper and lower
The upper sensor and lower sensor are used together to detect liner gaps
between die cut labels that have a black or dark background on white or clear
liner.
1. Position the lower sensor so that the left edge of the beam is slightly to
the right of the left edge of the die cut label directly under the center of the
gap.
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. Set Gap/Mark Sensor to Advanced Gap in the CALIBRATE CTRL menu.
See "Sensing Different Media Types" on page 58.
4. Perform the Auto Calibrate procedure on page 63.
sensors are designed to function with or without ribbon installed.
Sensing Different Media Types
Media Guard
Opening
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