When you come to the shipping label, replacement of 1D barcode to 2D barcode is the most cost and time efficient for all the parties involve in delivery and receiving.
assume below situation
Centering Demonstration
1. Position the scanner so that the aiming line is between one of the bar codes below.
2. As you pull the trigger, move the scan line up and down without touching any of the bar codes.
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3. Notice how you will not always read the same barcode.
4. Now scan the centering enable code below.
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5. Repeat step one You should notice that the scanner will not read a barcode unless you have moved the aiming line over the bar codes