July 22, 2022 - Our Community is comprised of volunteers - people who own and use · HP devices. ... You may need to have a font installed on your computer or printer that supports that barcode format.

To fix this problem, ensure the codes entered in the UPC or Product Code field contain an even number of digits. If the print on your labels is too light or too dark, adjust the darkness of the print as follows: Start the SATO WS4 Printer Utility. If the utility is not already installed on ...

April 20, 2023 - Navigate the common challenges of thermal transfer barcode printing with this comprehensive guide. Explore practical solutions to eight key issues such as pinhole defects, poor grayscale quality, and trailing edges.

Bar code printing does not stop. The layout for the German 25 Postal bar code is not correct.

December 3, 2025 - A supplier like Barcode Factory can guide you toward the perfect option. Why It’s a Challenge: Printer calibration ensures your labels and ribbons align perfectly, but it’s easy to overlook. Skipping this step can result in uneven printing, misaligned barcodes, or wasted labels.

Align Labels Properly: Misaligned labels can distort barcodes, so verify proper placement before printing. Problem: The ribbon wrinkles during printing, causing uneven prints and label waste.

October 5, 2021 - If a barcode does not print correctly even though its data, size, and position are correct, make sure that the barcode print method option is set to "Barcodes and human readable text controlled by BarTender".

August 15, 2025 - Incorrect barcode printer driver settings for [label size] or corrupted drivers can make your printer print blank labels from [software name]. ... Match Settings: Use the correct label size barcode printer driver configuration for your media.

October 4, 2023 - If the printer is not printing barcodes correctly, update its firmware and adjust its settings or try other solutions from this guide.

April 11, 2016 - I’ve been fighting with this printer for a decent while, but I’m at wits end at this point. This user is trying to print shipping labels from UPS Worldship using a Zebra (GX420d) that is shared through another user in the same office space. I can print test labels in windows and Worldship just fine, but when he tries to print actual labels to ship with it does not print the barcode section of the label, just the top address portion.

November 21, 2023 - If your barcode is not printing clearly, the source file wasn't created in the ideal quality. Try this sample label which was generated at the correct quality to test it: Sample Label · If there's no difference or improvement with the print ...

If the problem persists even after performing the above operation, change the [Barcode Adjustment Mode] setting of the printer driver. The improvement effect is weakest with [Mode 1] and increases in the ascending number order. Try the adjustment starting with [Mode 1]. ... If the improvement effect is stronger, the print density may become lighter. If [Barcode Adjustment Mode] is specified, the <Special Print Mode A> setting is disabled. In addition, specifying [Mode 4] or [Mode 5] results in slower printing. [Barcode Adjustment Mode] may not be displayed depending on the printer driver settings.

Update the printer firmware and software via Canon’s official website or the printer’s wireless settings menu. Check that barcode images are high resolution and compatible with the printer.

Inventory Management · Troubleshooting common issues with barcode printers involves addressing both operational problems and print quality issues

August 12, 2025 - Barcode readers need precise edges so they can distinguish between bars and spaces and decode symbols correctly. Fuzzy or rounded edges can cause problems. Reduce the print speed if your barcode label printer is doing this. Poor edge definition signifies the use of low-quality labels. This means either the ribbon and media are not compatible or the ribbon material is of low quality.

October 15, 2023 - Apparently mine dried out even though it is only a few months old. With the new cartridge the barcode is printed. If you can't print barcodes and the rest of the print is not a deep black, then most likely your cartridge is the issue.

January 15, 2015 - Barcodes will not print if the package does not need barcodes – CAR-RT LOT, CAR-RT WSS, or CAR-RT WSH will not have barcodes on them because the bundle goes straight to the carrier. Printer Setting Misconfigurations could be an issue.

November 8, 2021 - The most important thing for barcode scanning is the ratios between the different widths of bars and spaces to be as accurate as possible. This is usually achieved by ensuring that the narrowest elements are exactly 1, 2, or 3 dots wide (and the second narrowest elements are therefore 2, 4, or 6 dots wide, and so on). The best way to achieve this in practise is to avoid using fonts and graphics, and let the printer render the barcode using it's built in functions.

January 21, 2026 - Most of the problems with barcode scanning not working are not due to the scanner malfunction, but are caused by improper settings such as resolution, speed, concentration or material matching of the thermal transfer label printer.