Ensure the USB cable is plugged directly into the motherboard slots (on the back of a desktop PC) rather than an unpowered USB hub. Try switching to a USB 2.0 port if a USB 3.0 port fails.
If the printer spits out multiple labels at once, use the driver's utility tab to trigger a "Media Calibration." This forces the optical sensor to measure the thickness of your label liner. Troubleshooting Common Errors 4barcode.driver.1.0.0.148.exe
To protect your system, . Never download driver files from third‑party "driver download" sites, as these are common sources of malware infections. Ensure the USB cable is plugged directly into