GC420t Desktop Printer Support
The Zebra GC420t printer is part of the GC Series Printer family.
This Zebra product is discontinued. Resources will no longer be updated but are retained below for your convenience. Customer Support is no longer available after the Service and Support Discontinuation Date. If you require additional help, 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
+ 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.
- How to download and install ZSU from the DRIVERS section below.
- 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 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 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 HOW-TO VIDEOS section below.
- 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.
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 HOW-TO VIDEOS section below.
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.
+ Drivers
If you had connected your printer to the computer via USB prior to driver installation, follow these recovery steps before printer driver installation.
GC420t Drivers - Recommended
-
Windows Printer Driver v5
Version 5.1.17.7412
Download 13 MB View release notes
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
Printer Configuration Utility
-
Zebra Printer Setup Utilities
Version 1.1.9.1297
Download 12 MB View release notes
Use this software to configure your printer after Printer Driver installation.
OPERATING SYSTEM versions: Windows 10/11, Windows Server 2016/2019/2022 (see Release Notes for details)
How to Configure Printer Settings with Zebra Setup Utilities
Other Drivers
-
OPOS Driver
Version 1.14.1.143
Download 7 MB View release notes
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
Third-Party
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Information about CUPS Driver for label printers.
OPERATING SYSTEM: Mac OS, Linux/Unix
Download 476 KB
Install CUPS Driver for Zebra Printer in Mac OS
+ Manuals
GC420t Set-Up and User Guides
+ How-To Videos
GC420t videos
+ Software
-
Zebra Setup Utilities Support for Printers
Utility to configure barcode label printers.
-
ZebraDesigner 3 Software Support
Software to design barcode labels.
-
ZDownloader (Firmware Download Utility)
Utility to upload printer OS / firmware and service packs to barcode label printers.
-
Printer Fonts
Additional font packages for barcode label printers.
-
Zebra Basic Interpreter (ZBI)
Application to customize Zebra printers.
-
ZebraNet Bridge Enterprise
Software to centrally deploy, manage and monitor Zebra printers from a single computer anywhere on your global network.
-
ZebraDesigner 2 Software Support
Discontinued software to design barcode labels.
Developer Tools
Browser Print (USB, Network or Bluetooth printing to browser-based applications.)
+ Software Manuals
+ Troubleshooting
Top 5 GC420t Knowledge Articles
+ Firmware
GC420t Firmware
-
V71.17.17Z
Download 2 MB View release notes
-
Firmware Download Utility (ZDownloader)
A utility that uploads Printer OS (Firmware) and Service Packs to your printer.
Download 22 MB View release notes
Upgrade Printer OS (Firmware) using ZDownloader
+ Specifications and Characteristics
+ Labels, Parts, Accessories and more
Labels, Ribbons, Tags
Printer Parts
Accessories
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.