Printronix SLPA7000e Training Manual And Reference Manual page 53

Sensing Media with Horizontal Black Marks (Mark)
Lower Sensor
Black Mark
(underside
of media)
Figure 21. 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 52.
4. Perform the Auto Calibrate procedure on page 57.
Visible Red Beam
from Lower Sensor
Media Guard
Opening
Sensing Different Media Types
Sensor Handle
53