About

This guide is for integrators and operators of Zebra Link-OS ZD421 desktop printers. Use this guide to install, change configuration, operate, and physically support these printers.

Information, support, and additional resources are available online to support this printer:

• ZD621 Thermal Transfer printer — zebra.com/ZD621t-info

• ZD621 Direct Thermal printer — zebra.com/ZD621d-info

• ZD421 Thermal Transfer Ribbon Cartridge printer — zebra.com/ZD421c-info

• ZD421 Thermal Transfer printer — zebra.com/ZD421t-info

• ZD421 Direct Thermal printer — zebra.com/ZD421d-info

• ZD621R Thermal Transfer printer — zebra.com/ZD621r-info

Printer Resources

Zebra has a large suite of technical resource for your Zebra Link-OS printer, as well as free and fee-based software and Apps (applications), including:

• “How To” videos

• Printer accessory, supplies, parts, and software links

• Various setup and configuration guides

• Programmer’s manuals

• Printer Drivers (Windows, Apple, OPOS, etc.)

• Printer Firmware

• Printer Fonts

• Utilities

• Knowledge base and support contacts

• Printer warranty and repair links

• Label Design software

• Printer Management tools

• Virtual Devices for legacy languages normally associated with other printer brands

• Cloud-based Enterprise printer management and printing

• XML and PDF format file printing

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About

• Oracle and SAP support

• Zebra Savanna ™ Data Intelligence platform - turns raw data from devices (IoT) and sensors into actionable intelligence for your business

• A suite of Link-OS Mobile Apps (applications for phones, tablets, etc.)

• Link-OS software development kit (SDK)

• Additional Operating Systems (OS) and Service platforms

Find out more about ZebraLink, Zebra Link-OS, and Zebra Savanna at zebra.com/software .

Zebra OneCare Printer Service and Support

For maximum productivity, we can help your business ensure its Zebra printers are Online and ready for business. Refer to the descriptions of the Zebra OneCare service and support options available for your printers at zebra.com/zebraonecare .

Icon Conventions

The documentation set is designed to give the reader more visual clues. The following graphic icons are used throughout the documentation set. These icons and their associated meanings are described below.

NOTE: The text here indicates information that is supplemental for the user to know and that is not required to complete a task.

IMPORTANT: The text here indicates information that is important for the user to know.

CAUTION—EYE INJURY: Wear protective eyewear when performing certain tasks.

CAUTION—PRODUCT DAMAGE: If the precaution is not taken, the product could be damaged.

CAUTION: If the precaution is not heeded, the user could receive minor or moderate injury.

CAUTION—HOT SURFACE: Touching this area could result in burns.

CAUTION—ESD: Observe proper electrostatic safety precautions.

CAUTION—ELECTRIC SHOCK: Disconnect the printer power before performing certain procedures to avoid the risk of electric shock.

WARNING: If danger is not avoided, the user CAN be seriously injured or killed.

DANGER: If danger is not avoided, the user WILL be seriously injured or killed.

NOTE: This is an icon for wired networking notes.

NOTE: This is an icon for wireless networking notes.

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