SATO WS408DT - 4.1.2 Reflective sensor

4. Media sensing
WS4-DT/TT-r01-12.1.17-OM-RS
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Sensor
4.1.2 Reflective sensor
The reflective sensor is movable within the entire width of the media. It
detects gaps, notches and black marks which are not located at the centre of
the media.
Multi Columns
Notch
Black Mark
Flip the media so the black-mark side is facing down and adjust the sensor
to align it with the labels, notches or black marks.