If the maximum value of “noise” read by the sensor is very close to the peak value, it might be diffi cult to place the
value of the “Notch/B.Mark Threshold” at an intermediate point. In these cases, it is mandatory that the portion of
paper between the point of printing end and the front notch is completely white (no graphics). In this way, the only
next graphic detected by the sensor for alignment after the printing end will be the notch.
10.3 Alignment parameters
The “alignment point” is defi ned as the position inside the ticket to use for the notch alignment.
The distance between the notch edge and the alignment point is defi ned as “Notch Distance”.
If the “Notch Distance” value is set to 0, the alignment point is set at the beginning of the notch.
0
+
alignment point
alignment point = notch front
positive values of “Notch Distance”
PRINTING DIRECTION
The value of “Notch Distance” varies from 0mm minimum and 32mm maximum (this value is fi x according to the
mechanical distance between notch sensor and printing head)
10. ALIGNMENT
User Manual VKP80II 69
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