Datamax-O'Neil H-Class Operator’s Manual - Manual (Page 35)

H-Class 25
3.2 Media Sensor Adjustment
Position the Media Sensor for proper label detection:
A. Raise the Printhead Assembly. Note the Red Dot (see illustration below) that
identifies the location of the Media Sensor.
B. Grasp the Slide Tab to position the Red Dot according to the Media Type, as detailed
below.
Media Sensor Adjustment
Media Type Red Dot Position
Die-cut Centered over a label
Notched Centered over a notch
Reflective Centered over a black mark
Continuous Centered over the material