Chat with us
Loader
Establishing connection, please wait while we connect you.

GK420t Desktop Printer Support

GK420T desktop printer

The GK420t is part of the GK Series Printer family.

This Zebra product is discontinued. The software and manuals below are provided for your convenience and Technical Support. If you require additional support, please contact a Zebra Authorized Service Provider.

APAC
Printer Discontinuation Date: December 31, 2021 
Service & Support Discontinuation Date: February 28, 2025

EMEA, North, and Latin America
Printer Discontinuation Date: January 31, 2022 
Service & Support Discontinuation Date: April 30, 2025

+ First Time Setup / Getting Started

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

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. 

2. Connect the printer to a USB port on your computer and power it up.

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 video in the HOW-TO VIDEOS section below.
  • The media settings must match the actual media that you are using. 
    How to identify media type.

4. When using thermal transfer media, load the ribbon.

  • You can watch the videos in the HOW-TO VIDEOS section below.
  • How to find out if you have thermal transfer media?
    Do a media scratch test.
 
  • 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. 

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

+ Drivers

If you connected your printer to the computer via USB before driver installation, follow these recovery steps before printer driver installation. 

GK420t Drivers - Recommended

  • Windows Printer Driver v5

    Version 5.1.17.7414
    Use this driver if you need to use either CPCL or EPL printer command languages.
    'ZDesigner Printer Driver' is compatible with ZebraDesigner 3 and prior versions.
    OPERATING SYSTEM versions: Windows 10/11, Windows Server 2016/2019/2022 (see Release Notes for details)
    How to Install Driver v5

      Download 14 MB View release notes

Printer Configuration Utility

Other Drivers

  • OPOS Driver

    Version 1.14.1.143
    Use this OLE for Retail POS driver to develop applications that are compatible with the Unified POS specification. See the release notes for printer compatibility and system requirements.
    OPERATING SYSTEM: Windows 10/11

      Download 7 MB View release notes

Third-Party

+ Manuals

GK420t Set-Up and User Guides

+ How-To Videos

GK420t videos

+ Software

+ Software Manuals

  • ZPL II, ZBI 2, Set-Get-Do, Mirror, WML Programming Guide

    P1134473-02EN Rev A

    Download 11 MB
  • ZebraLink Enterprise Connector for Oracle BI Publisher User Guide

    P1006951-002

    Download 3 MB

+ Troubleshooting

Top 5 GK420t Knowledge Articles

+ Firmware

GK420t Firmware

+ Specifications and Characteristics

DISCUSSION FORUM

Discover useful answers or post a question.

REQUEST A REPAIR

Repair services for products under warranty, a service contract or through a time-and-material-based charge.

DECLARATION OF CONFORMITY

View Declaration of Conformity for Zebra products.

ZEBRA ONECARE™ SUPPORT SERVICES

Maintenance that delivers the right plan for your business goals and budget.