# Zebra ZT421 Industrial Label Printer, Direct Thermal/Thermal Transfer, 300 DPI, 305 mm/sec, Ethernet, Bluetooth

**URL:** https://aio.lv/en/product--zebra-6051132--12428772
**Data updated:** 2026-05-13 23:04 (EEST)
**Category:** Laser Printers
**Manufacturer:** Zebra
**Manufacturer code:** 6051132
**EAN:** 5704174089414
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

The Zebra ZT421 is a high-performance industrial label printer featuring both direct thermal and thermal transfer printing technologies. It offers a maximum resolution of 300 DPI and a fast print speed of 305 mm/sec. Designed for demanding environments, it includes versatile connectivity options such as Ethernet LAN, Bluetooth 4.1, and USB ports. This reliable device is ideal for high-volume labeling tasks in logistics, manufacturing, and retail sectors.

## Long description

The Zebra ZT421 is a high-performance industrial label printer engineered for demanding environments where reliability and speed are essential. Utilizing both direct thermal and thermal transfer printing technologies, this device delivers high-quality output at a resolution of 300 DPI. With a robust all-metal frame and a bi-fold door design, it ensures durability while providing easy access for maintenance. The integrated 4.3-inch full-color touch display offers an intuitive interface, allowing users to monitor printer status through color-coded alerts and manage settings with ease.
Advantages
This printer excels in high-volume operations, offering a fast print speed of up to 305 mm/sec to keep workflows moving efficiently. Its versatile connectivity options, including Ethernet LAN, Bluetooth 4.1, and USB ports, ensure seamless integration into existing network infrastructures. The open architecture and two communication slots provide the flexibility to add future features, such as RFID encoding or additional media handling options. Furthermore, the tool-less print head and platen roller replacement minimize downtime, ensuring that critical business operations remain uninterrupted.
Suitable for
High-volume logistics and shipping labeling
Manufacturing and product identification
Retail inventory management and price tagging
Asset tracking and warehouse management
When it may not be suitable
The Zebra ZT421 is designed for heavy-duty industrial use and may be oversized or unnecessarily complex for small office environments or low-volume desktop printing tasks. Its weight of 18.4 kg and industrial footprint require a dedicated workspace, making it less ideal for mobile or space-constrained settings.
Key specifications
Print technology: Direct thermal / Thermal transfer
Maximum resolution: 300 x 300 DPI
Print speed: 305 mm/sec
Connectivity: Ethernet LAN, Bluetooth 4.1, USB
Display: 4.3-inch full-color touch screen
Weight: 18.4 kg
Construction: All-metal frame with bi-fold door
How to use
To begin using the printer, connect it to your power source and your network via Ethernet or Bluetooth. Load your media and ribbon through the side-loading path, which is color-coded to simplify the process. Use the 4.3-inch touch display to configure your settings and monitor the printer status. If an error occurs, the display will provide color-coded alerts, and you can scan the dynamic QR codes on the screen to access web-based support and instructional videos for quick troubleshooting.
What to consider before purchase
Ensure your workspace can accommodate the 18.4 kg weight and industrial dimensions.
Verify that your software environment is compatible with Zebra’s Print DNA and Link-OS suites.
Assess whether your specific labeling tasks require direct thermal or thermal transfer media.
Consider if future upgrades like RFID encoding will be necessary for your operations.
Usage recommendations
Regularly clean the print head and platen roller to maintain print quality and extend the lifespan of the device. Utilize the Print DNA suite to streamline management and integration across your facility.

## Specifications

| Feature | Value |
|---|---|
| Bluetooth version | 4.1 |
| AC adapter included | Yes |
| LED indicators | Y |
| Connectivity technology | Wired & Wireless |
| Maximum printing width | 168 mm |

### Power

| Feature | Value |
|---|---|
| AC input frequency | 50 - 60 |
| AC input voltage | 100 - 240 |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| Bluetooth | Yes |

### Performance

| Feature | Value |
|---|---|
| Internal memory | 512 MB |
| Flash memory | 512 MB |
| Built-in processor | Yes |

### Design

| Feature | Value |
|---|---|
| Display diagonal | 4.3 " |
| Product colour | Grey, Black |
| Control type | Touch, Buttons |
| Colour display | Yes |

### Other features

| Feature | Value |
|---|---|
| Print speed | 305 mm/sec |

### Packaging content

| Feature | Value |
|---|---|
| Quick start guide | Yes |

### Operational conditions

| Feature | Value |
|---|---|
| Operating relative humidity (H-H) | 20 - 85 |
| Storage temperature (T-T) | -40 - 60 |
| Operating temperature (T-T) | 0 - 40 |
| Storage relative humidity (H-H) | 5 - 85 |

### Paper handling

| Feature | Value |
|---|---|
| Maximum media length | 1143 mm |

### Ports & interfaces

| Feature | Value |
|---|---|
| USB 2.0 ports quantity | 1 |
| Standard interfaces | Bluetooth, Ethernet, RS-232, USB 2.0 |
| USB port | Yes |

### Weight & dimensions

| Feature | Value |
|---|---|
| Weight | 18.4 kg |
| Height | 324 mm |
| Width | 336 mm |
| Depth | 495 mm |

### Printing

| Feature | Value |
|---|---|
| Colour | No |
| Maximum resolution | 300 x 300 |
| Print technology | Direct thermal / thermal transfer |

### Packaging data

| Feature | Value |
|---|---|
| Package weight | 20410 g |

### Logistics data

| Feature | Value |
|---|---|
| Harmonized System (HS) code | 84433210 |

### Sustainability

| Feature | Value |
|---|---|
| Sustainability certificates | ENERGY STAR |

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Leasing for legal entities. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Zebra products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Zebra service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: weight, print technology, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Zebra ZT421 Industrial Label Printer \| 300 DPI \| Ethernet & Bluetooth?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

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