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ZT421 Passive RFID Printer Support

ZT411 Industrial Printer

The ZT421 is part of the ZT400 Series Printer family.

Retain proof of purchase for warranty confirmation.

+ 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 recommended Windows Printer Driver v8.

2. Connecting the printer

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

4. When using thermal transfer media, load ribbon.

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 ribbon out 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 use for your print job. Adjust the printer settings using Zebra Setup Utilities software or Windows Printer Driver v8. 

+ Drivers

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

ZT421 RFID Drivers - Recommended

  • Windows Printer Driver v10

    Version 10.5.1.27605
    This is the recommended driver to use with your printer.
    'ZDesigner Printer Driver' is for use with ZebraDesigner 3 and other Windows applications.
    OPERATING SYSTEM versions: Windows 10/11, Windows Server 2016/2019/2022 (see Release Notes for details)
    How to Install Driver v10

      Download 30 MB View release notes

Printer Configuration Utility

Alternative Driver

  • 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

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

ZT421 RFID Set-Up and User Guides

+ How-To Videos

ZT421 RFID videos

Scroll For More Videos

+ Software

Developer Tools

+ Software Manuals

+ Troubleshooting

Top 5 ZT421 RFID Knowledge Articles

ZT411 and ZT421: Ribbon and Media Sensor Manual Calibration

ZT411 and ZT421: Resolving Media Out Error 

ZT411 and ZT421 'Ribbon Out' Error

Loading the Label Roll into ZT411 and ZT421 Printers

Adjusting the Media Sensor Position on ZT411 and ZT421 Printers

+ Printer OS (Firmware)

ZT421 RFID Firmware

Other Related Content

  • Factory Installed Printer Emulations

    Printer Emulations are on-printer apps that allow this printer to use a variety of printer command languages.
    Use only on printers that have been updated to Link-OS v6.8.

      Download 12 MB

  • Link-OS v6.8 MIB file for SNMP

    Device management file for use with Link-OS printers.

      Download 289 KB

+ Specifications and Characteristics

+ Labels, Parts, Accessories and more

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Discover useful answers or post a question.

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

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DECLARATION OF CONFORMITY

View Declaration of Conformity for Zebra products.


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