Download the Zebra GK420t driver and utility software to ensure stable thermal transfer printing for barcodes and labels. This package includes officially certified drivers and ZebraDesigner design tools.
Product Name: Zebra GK420t
Model: GK420t Thermal Transfer Desktop Printer
Printer Type: Label Printer (Thermal Transfer & Direct Thermal)
Connectivity: USB / Serial / Parallel
The full driver package is provided below.
Supported Operating Systems
- Windows 7 (64-bit)
- Windows 8 (64-bit)
- Windows 10 (64-bit)
- Windows 11 (64-bit)
For manuals, firmware, and additional support, visit Zebra’s official page:
👉 Visit Zebra GK420t Official Support
Troubleshooting and Additional Help
If your Zebra GK420t printer is not detected after driver installation, verify cable connections and restart the device. Ensure that the correct port is selected in your Windows printer settings.
👉 Go to Printer Troubleshooting Guide
ZebraDesigner 3.3 Essentials & Professional
Both the FREE ZebraDesigner Essentials 3 and PAID ZebraDesigner Professional 3 editions are included. It launches in Essentials mode by default, and you can activate the Professional version with a 30-day trial or license key.
Note: Version 3.3 uses Thales licensing. You must use a Customer ID and License Key pair. Keys starting with 3467 are not compatible with this version.