Label Inspection on a Budget

Scanning Barcode to Verify Match

Design a label inspection system on a budget.


Zebra DS2208 handheld barcode scanner, ZD620 Desktop Label Printer, and a custom ZBI program.

Label Inspection - Confirmed Match

Label inspection is a very common application that often starts from incorrect labels being placed on the product and shipped to the end customer. This is exactly what occurred with a local food packaging company. The packaging company was producing a sauce that required three labels on each bottle: front, back, and around the top. An issue arose when the front label did not match the back label on an entire batch of product that was shipped to their customer.

The food packagers reached out to EMP to help design a label inspection solution. The initial solution discussed involved a machine vision camera that would be used to inspect each label to verify that the correct job was running. Unfortunately, this solution exceeded the customer’s budget.

A second solution was proposed. The engineers at EMP suggested adding a small data matrix barcode on each label and placing fixed mount barcode scanners to verify that each label was correct. The food packaging company was unable to add the data matrix code, so EMP designed a third and final solution.

In order to find a working solution, EMP turned to their Scan and Print solution. With this solution, the customer scans a barcode on the label as they are being loaded onto the label applicator. Then they scan the master label from a logbook and scan the job number from the production sheet. A label is printed and placed on the production sheet showing that the label barcodes matched, the operator that scanned them, and the job number. This approach ensures the labels match and records that the operator verified the match.

The engineers at EMP work hard to develop a solution to meet the customer’s needs and budget. Let the engineers at EMP find the best solution for you!

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