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Desktop Printers GC420T Desktop Printer Support

MODELS: GC420T

The Zebra GC420T printer is part of the GC Series Printer family. 

Zebra is no longer offering this product for sale. The product resources will no longer be updated but will remain accessible below for your use and convenience. Please note that Customer Support is not available after the Service and Support Discontinuation date. If you require additional support, please contact a Zebra Authorized Service Provider.

North America, EMEA Printer Discontinuation Date: January 31, 2020 Service & Support Discontinuation Date: March 31, 2023

Latin America, APAC Printer Discontinuation Date: April 30, 2020 Service & Support Discontinuation Date: June 30, 2023

Replacement: ZD200 Series Power Supply Unit Voluntary Recall Drivers GC420t Desktop Printer

GC420T

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Getting Started Downloads Documentation Videos Troubleshooting Application Software Additional Resources

The Setup guidelines below will take you to English documentation. You can access the localized User Guides in the DOCUMENTATION tab.

IMPORTANT! Do not connect your printer to a computer yet! 

  • If you connected your printer to a computer via USB before driver installation, the printer might appear as an unknown (unspecified) device in “Devices and Printers.” 
  • If necessary, follow these recovery steps before proceeding to Step 1. 

1. Download and install the Zebra Setup Utilities (ZSU) printer configuration utility.

  • How to download and install ZSU
  • Windows Printer Driver v5 is included with the ZSU download. To install the driver, select "Install New Printer" on the ZSU interface and proceed with steps 12 to 15 in this article.

2. Connect the printer.

  • Connect the printer to a USB port on your computer.
  • Connect the printer via the serial port.
  • Connect the printer via the parallel port.

3. Load media (media usually means labels, but it also includes tag stock, receipt paper, and other things that can be printed on).

  • You can watch the English video. Some non-English videos are available in the VIDEOS tab.
  • The media settings must match the actual media that you are using.  How to identify media type.

4. When using thermal transfer media, load ribbon (media usually means labels, but it also includes tag stock, receipt paper, and other things that can be printed on)

  • You can watch the English video. Some non-English videos are available in the VIDEOS tab.
  •  How to find out if you have thermal transfer media? Do a media scratch test.
  • This printer uses a ribbon coated with ink on the outside. How to find out which side of the ribbon is coated? Perform an adhesive test or a ribbon scratch test.

5. Print a test label.

6. Calibrate ribbon and media sensors.

  • When changing the size or type of media. 
  • If printing issues are observed, such as skipped labels, vertical image/label drift, or media out errors.
  • You can watch the English video. Some non-English videos are available in the VIDEOS tab.

7. The printer settings must match the supplies you are using for your print job and the options on your printer. Adjust the printer settings using Zebra Setup Utilities software or Windows Printer Driver v5 as necessary.

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GC420T How-to Videos

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