Label
Manual m600 basic 2.6_01 79
7
BarcodesThe following barcodes can be printed on the m600 basic:
•EAN8
•EAN13
•UPC-A
• CODE128
•EAN128
•2/5i
• Code39
• Datamatrix
Basic principles
The structure of the barcode must correspond to the directives applicable
for barcode structures (e.g. ean/UCC), i.e.: how many and which charac-
ters are required and are permitted, what is the structuring sequence for
structured codes, what size is possible and makes sense, are data field
identifiers being used etc.
When setting up barcode fields, check how the ink used behaves on the
substrate used.
If bleeding (blotting paper effect) has been detected, the value of the bar
width reduction must be adapted accordingly, as otherwise the bar width
tolerances may not be complied with. This may impair the reading per-
formance of the scanner.
The bar width reduction value determines the number of pixels reduced
on the sides of the individual bars of the barcode.
To this effect, it is recommended to perform some test prints to judge the
behaviour.
To print barcodes of the required quality, the m600 basic requires a pre-
cise speed signal.
If the speed signal is wrong, the barcode is either compressed, stretched
or printed with tailing, which necessarily impairs the reading effect. Thus,
a pulse generator should be used, as far as possible. When printing via
several print heads, the sensor distance must be set very precisely, in or-
der to avoid a stepped printing result.
The resolution must be set so that the blotting effect is not too distinct,
and on the other hand, the contrast is strong enough.
7.3.3 Barcodes
NOTE
The menu fields for the barcodes EAN13/EAN8 and Code
128/EAN128 are identical and are explained together.
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