Imagine a busy checkout line where every second counts. The Zebra ZD421 is a compact 4-inch thermal-transfer printer that creates barcode labels, receipts, and tags in a flash. Small shops, warehouses, and health clinics often lose time because their old printers jam or print slowly. You need a reliable device that can keep up with fast-moving inventory and stay secure against data loss. This printer delivers speed, durability, and easy connectivity so you never miss a beat.
Zebra ZD421, Thermal transfer, 203 x 203 DPI 152 mm/sec Wired & Wireless Printer
The ZD421 solves the problem of unreliable label printing that slows operations. When a printer stalls, orders are delayed and staff become frustrated. This matters because every delayed label can hold up shipping, affect stock accuracy, and increase labor cost. Zebras solution is a printer built for 152 mm/sec speed, 203 203 DPI clarity, and both wired Ethernet and Bluetooth Low Energy for flexible placement. The built-in LCD and five LED status icons let you see problems instantly, while PrintSecure protects your data from cyber threats.
Benefits
- Fast 152 mm/sec printing keeps lines moving.
- Clear 203 203 DPI graphics reduce scanning errors.
- Wired Ethernet and Bluetooth give you placement freedom.
- PrintSecure encryption stops data breaches.
- LCD display shows status at a glance, saving troubleshooting time.
Key Features
- 4-inch compact design fits tight spaces.
- Thermal-transfer technology for long-lasting prints.
- Maximum label width 10.4 cm and length 0.991 m.
- USB 2.0, Ethernet LAN, and Bluetooth 5.0 connectivity.
- 512 MB flash memory and 256 MB internal storage.
- Supports EPL2, XML, ZBI, ZPL II languages.
- Operating temperature 4.4 - 41 C, storage -40 - 60 C.
- Battery option with carrying case for mobile use.
- Five LED icons and LCD for instant status checks.
- Print DNA software simplifies setup and remote management.
Specifications
| Printing |
| Maximum printing width |
10.4 cm |
| Print speed |
152 mm/sec |
| Print speed |
152 mm/sec |
| Print speed |
152 mm/sec |
| Number of printable dots |
8 dot |
| Maximum resolution |
203 x 203 DPI |
| Print technology |
Thermal transfer |
| Paper handling |
| Maximum label length |
0.991 m |
| Maximum roll diameter |
12.7 cm |
| Media thickness |
0.08 - 0.19 mm |
| Ports & interfaces |
| USB 2.0 ports quantity |
1 |
| USB port |
Yes |
| Bluetooth Low Energy (BLE) |
Yes |
| Bluetooth version |
5.0 |
| Bluetooth |
Yes |
| Wi-Fi |
No |
| Ethernet LAN |
Yes |
| Connectivity technology |
Wired & Wireless |
| Performance |
| Flash memory |
512 MB |
| Internal memory |
256 MB |
| Page description languages |
EPL2, XML, ZBI, ZPL II |
| Design |
| Display |
LCD |
| Built-in display |
Yes |
| Product colour |
Grey |
| Power |
| AC input frequency |
50-60 Hz |
| AC input voltage |
100 - 240 V |
| System requirements |
| Mobile operating systems supported |
Android, iOS |
| Windows operating systems supported |
Yes |
| Operational conditions |
| Operating temperature (T-T) |
4.4 - 41 °C |
| Operating temperature (T-T) |
4.4 - 41 °C |
| Storage temperature (T-T) |
-40 - 60 °C |
| Storage temperature (T-T) |
-40 - 60 °C |
| Storage relative humidity (H-H) |
5 - 95% |
| Operating relative humidity (H-H) |
10 - 90% |
| Weight & dimensions |
| Width |
202 mm |
| Other features |
| Maximum resolution |
203 x 203 DPI |
