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Barcode128 can be scanned when printed in a white paper,but scanning failed when printed in Label

Topics: Code 128
Mar 28, 2014 at 7:16 AM
Hi all
I am working on a web application project where barcode is generated as an image and printed on the label printer.The label printer is datamax printer.But the problem is when the barcode is printed on a normal printer in an A4 sheet the scan is successful.But when printed on label we couldn't scan.Can anyone help for this issue.And also i want to know how to use barcode metrics.Will it solve the problem?am using barcdoe128.