7 ALIGNMENT
Device is provided with sensors for the use of alignment black mark in order to handle roll of tickets with pre-printed ields
and a ixed length.
The alignment black mark may be formed by black mark printed on paper (see
All alignment sensors are “relection” sensors: this kind of sensor emits a band of light and detects the quantity of light
relected to it. The presence of the black mark is therefore detected by the amount of light that returns to the sensor, con
-
sidering that the light is relected by the white paper and absorbed by the black mark.
The following paragraphs show how to correctly set the coniguration parameters of device in order to assure the alignment.
7.1 Enable alignment
To guarantee the alignment, you must enable the parameter “Black Mark” during the setup procedure (see
).
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