Zebra ZT421

The Zebra ZT421 is a modern industrial label printer for print widths up to 6 inches. As the successor to the successful ZT420, it ensures even better usability and shines with new features that simplify everyday life for users and IT administrators when printing. In addition, the printer can be retrofitted with various equipment options at a later date and use as a standalone printing station without a PC is now convenient, which speaks for a high level of investment security. The ZT421 not only prints barcode labels, but is also optionally able to write on RFID tags.

Printer for the crowd

The ZT421 has everything you would expect from a modern label printer these days. It is robust, prints reliably and with high performance, is easy to use and enables easy administration. Due to its dimensions, the printer allows the use of large rolls of labels and foils, which significantly reduces the hassle of changing media. The printer can easily be used in 3-shift operation with normal use. Depending on the application, the printer can be ordered with either 203 or 300 dpi. By default, the printer processes both direct thermal and thermal transfer material.

RFID Ready

If you want to create modern smart labels in addition to barcode, text and graphics, the ZT421 is the right choice. The printer is optionally equipped with an RFID module and is therefore able to describe a UHF tag in the label safely and reliably. Handling has also been considerably simplified. In the future, media and day no longer need to be calibrated separately. This happens in one process. The exact positioning of the day has also been significantly improved and is now tradable by everyone. And the best – The RFID module can also be easily retrofitted later without the need for a Zebra technician.

Easy handling

Inserting and changing media is particularly easy for users thanks to the foldable media cover and requires little space. In weak ambient light, the illuminated media and ribbon path helps to make changing the media easy. The side field of view offers a direct view inside and thus allows the current media supply to be monitored before the printout is stopped unintentionally.

Color display with touch function

The ZT421 is supplied with a 4.3 “color display with touch function. The color display makes daily work easier for the user, as color status information can be recognized and processed more quickly. This enables remote detection of whether the printer is in a critical state or whether everything is running smoothly. Helpful how-to videos can be called up by simply scanning a QR code on the display via smartphone or PDA, which can be easily connected via NFC. Thanks to the touch function, the printer can be operated quickly and conveniently and standalone labeling solutions without an intermediate PC are possible.

Setup via USB

Thanks to the USB host interface, easy configuration of the printer is guaranteed. The settings can simply be copied to or read from a connected USB stick, which offers the IT manager enormous time savings. For simple firmware updates via USB stick or for the direct connection of additional peripheral devices, the printer is optionally available with two USB host interfaces.

The basis is important!

The ZT400 series printers are equipped with Zebra Link-OS as standard. This enables easy integration, management and maintenance of the printer from anywhere in the world. Links-OS also offers a powerful multi-platform development via SDK, which enables control of the printer from Windows, Android and iOS.

Printsecure is part of Link-OS from v6. This enables you to operate the printers in the corporate environment safely and without the worry that someone from outside could gain access to the network. Even the automatic renewal of certificates is now possible.

Communication – state of the art

XML-compatible printing and RFID functions allow the ZT400 midrange printer to be easily integrated into a wide range of applications. USB, RS232, Ethernet and Bluetooth are standard equipment. Optionally, the printer can also be used wirelessly in the WLAN, which can also be easily retrofitted later.

ZT421 also prints PDF files directly from SAP

The ZT421 can not only be connected to SAP or other leading systems via Windows printer driver, but also allows the processing of data streams in native printer languages. Under the name Virtual Devices, Zebra emulates printer languages ​​from other manufacturers in order to make model changes easier. With PDF Direct, the ZT421 is also able to directly receive and process PDF files.

Management made easy

Administrators will be happy. The ZT421 can be managed centrally in a variety of ways. For this, Zebra provides appropriate connectors for SOTI MobiControl and Airwatch or creates an extensive platform with its own Profile Manager Enterprise that simplifies administration. In addition to the distribution of settings, an automated WLAN certificate update is also possible.


The ZT421 is an excellent choice for customers who are looking for a powerful and solid all-rounder in the 6 inch range and who can handle a medium print volume. A wide selection of equipment options, cutter, internal rewinder for labels and media and much more ensures versatile use.

  • 4.3 “large color / touch display
  • RFID option can also be retrofitted
  • Centrally manageable
Print SpeedUp to 305 mm/sec – max speed
Built-in DevicesStatus LCD, peeler with liner rewind
Connectivity TechnologyWireless
InterfaceUSB 2.0, LAN, serial, USB host, Bluetooth 2.1
Resolution203 and 300 dpi
FeaturesRealtime clock, transmissive media sensor, reflective media sensor, peeler with liner rewind
BarcodesCode 93, Industrial 2 of 5, Code 39, Code 49, CODABLOCK, ISBT 128, QR code, MaxiCode, Aztec code, LOGMARS, EAN/JAN-8, EAN/JAN-13, UPC-A, UPC-E, MicroPDF417, Codabar, Code 11, Interleaved 2 of 5, Postnet, PDF417, MSI-Plessey, Data Matrix, PLANET,
TLC39, Plessey, Code 128B, Code 128C, Code 128A, Standard 2 of 5
RAM Installed256 MB
Flash Memory512 MB
Connections1 x RS-232 ¦ 1 x USB 2.0 – 4 pin USB Type B ¦ 1 x LAN – RJ-45 ¦ 1 x USB host – 4 pin USB Type A
Media Handling
  • Continuous paper labels, die cut labels
  • Roll (17.1 cm)
  • 51 mm
  • 171 mm x 991 mm
  • 168 mm
  • 1143 mm
  • 203 mm
  • 1 x manual – 1 roll – Roll (17.1 cm)
Power Device
  • Power supply
  • Internal
  • 50/60 Hz
  • AC 120/230 V
Operating Temperatures :5 °C – 40 °C (41 °F – 104 °F)/ Humidity: 20 – 85%
Dimensions & WeightWidth : 33.5 cm Depth : 49.5 cm Height : 32.5 cm Weight : 18.14 kg

zt420 Technical Specifications_EN

Short Description

Keep your critical operations running efficiently. Constructed with an all-metal frame and bi-fold door, ZT420 Series printers deliver advancements in print speed, registration and connectivity as well as additional advanced features.

Share on: