consistent labeling. The lower edge of the label web is 2 inches from the top of the Label Plate and so the lower
Web Guides should be at that level. These can be measured with a ruler. The top Web Guides can then be
moved up or down depending on the height of the label web being run. They should be positioned to allow
1/16” clearance of the web. If the web rides up or down, these guides will help hold it in place.
3.3 ADJUST SENSORS
LABEL GAP SENSOR
The Schneider Gap Sensor has two buttons – a “+” button and a “-“ button. To increase sensitivity press the plus
button. Each time the button is pressed you will see the right indicator light turn red momentarily. The minus
button decreases sensitivity.
The correct operation of the gap sensor is for the yellow indicator light to be on when the gap passes through
the fork, and when on the label no indicator light is on.
PHOTO EYE SENSOR
The Leuze product eye has a green indicator light, a yellow indicator light, and a Teach button. Normal
operation is for the green indicator light to be on all the time. When the package comes through the yellow
indicator light should come on to trigger a label.
There are two teach modes to use. Recommended teach mode is to teach the background as the photoeye sits,
and then any package passing through will cause the yellow light to trigger. To do this you press and hold the
Teach button. After a few seconds both lights will flash together. Keep holding and then the lights will flash
alternating. Release the teach button and it will store this background setting.
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