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How to improve barcode quality grade

Hello,

We are using the IDAutomation PHP Linear Barcode Generator Script to generate USPS Delivery Confirmation barcode. We submitted samples to the USPS for approval and they have come back and said our barcodes don't meet ANSI grade A or B.

I understand the script generates a PDF and then we print the PDF using a Zebra LP 2844 Thermal Printer. I have turned up the JPG quality to 100%, adjusted the printer darkness, slower speed and no dithering. However, USPS still says our barcode is not up to grade A or B.

Does anybody know how we can improve the barcode quality. Does our problem have anything to do with printing a JPG on a PDF? Is there a way to come up with a higher quality barcode that would meet USPS requirements?

Thanks.


05-18-12     3011 day(s) ago    

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Brant

Best Answer

Wark,
Since the IDAutomation PHP Linear Barcode Generator Script prints using the web browser, achieving a correct symbol is sometimes a challenge.

Refer to the following dimensions required by the USPS and make sure they are accurate:
https://www.idautomation.com/barcode-faq/usps-postal/intelligent-mail.html#Symbol_Size
If they are not, you will need to modify the height or width according to this document:
https://www.idautomation.com/kb/webresolution.html#Printing_Accurate_Barcodes

We also offer our own IDAutomation 2D Barcode Scanner that can return a PQA or Print Quality Assessment of the Intelligent Mail barcode as shown here:
https://www.idautomation.com/barcode-scanners/2d-imagers/2d-usb-barcode-scanner.html#2D_PQA

If this solves the issue, please post the HTML you used to compress or expand the image so that it can help others with the same issue.

Posted 3011 day(s) ago

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