Printronix SLPA7000 User Manual page 59

Sensing Media with Horizontal Black Marks (Mark)
Lower Sensor
Black Mark
(underside
of media)
Figure 24. Media with Horizontal Black Marks
Position the lower media sensor for detecting horizontal black marks located
on the underside of media.
1. Check the position of the 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.
2. Use the sensor handle to manually position the sensor as close as
possible to the center of the black mark on the media.
3. Set Gap/Mark Sensor to Mark in the CALIBRATE CTRL menu. See
"Sensing Different Media Types" on page 58.
4. Perform the Auto Calibrate procedure on page 63.
Visible Red Beam
from Lower Sensor
Media Guard
Opening
Sensing Different Media Types
Sensor Handle
59