Label printer Zebra ZT421 — direct thermal/thermal transfer, 203×203 DPI, 305 mm/s, 168 mm print width, Ethernet & Bluetooth, black/grey

Drive productivity with the ZT400 Series industrial printer designed for durability and ease of use. The all-metal frame and bi-fold door provide robust construction and convenient access. A 4.3-inch full-color touch display with an intuitive interface shows color-coded status alerts and simplifies operation. The ZT400 Series is available in multiple print resolutions and widths and supports advanced connectivity and expandability through two open communication slots, enabling customization for current and future needs.

Advantages

The ZT400 Series offers fast, reliable printing with options for factory- or field-installable upgrades such as RFID and media-handling modules. Tool-less print head and platen roller replacement, lighted side-loading media paths and a color display reduce downtime and simplify maintenance. Open architecture and two open media/communication slots allow adding interfaces and features as business requirements evolve.

Key specifications

• Display: 4.3-inch full-color touch screen with color-coded status alerts
• Construction: All-metal frame with bi-fold door
• Print options: Multiple print resolutions and two print widths (model-dependent)
• Connectivity: Standard USB, Serial, Ethernet, dual USB Host and Bluetooth
• Expansion: Two open communication/media slots for optional interface or applicator cards
• Optional features: Factory- or field-installable RFID encoding (UHF/general purpose and on-metal tag support) and media-handling modules
• Software: Zebra Print DNA suite powered by Link-OS for integration, management and developer tools

How to use

Install media and ribbon via the side-loading, lighted paths and use the full-color touch display to configure settings and monitor printer status. Replace the print head and platen roller without tools when needed to maintain continuous operation. Connect the printer using standard interfaces or add optional interface cards through the open slots. Use Zebra’s Print DNA tools and dynamic QR codes on the display for guided, web-based support and diagnostics.

Recommendations

Choose the ZT400 model with the print resolution and width that match your label application, and plan optional modules (RFID or media handling) according to required encoding and media thickness. For smooth integration, use Zebra’s Print DNA utilities and keep firmware up to date.