Zebra printers
Zebra ZT420: ZPL guide
<img src="/guides/zebra/zt420.jpg" alt="Zebra ZT420" width="360" loading="lazy" />
Zebra ZT420: ZPL guide
The Zebra ZT420 is an industrial printer with ZPL support. Below you will find the most important specifications for designing and printing labels as well as tools to preview your ZPL.
Key specifications
| Model | Zebra ZT420 |
|---|---|
| Resolution | 203 DPI / 300 DPI |
| Maximum print width | 168 mm (6.6") @ 203 DPI |
| Type | Industrial |
| Technology | Direct thermal and thermal transfer |
| Print speed | 12 ips / 305 mm/s (203 DPI); 10 ips / 254 mm/s (300 DPI) |
| Firmware / languages | ZPL II; EPL 2; XML |
| Connectivity | USB; Ethernet (options: Serial, Parallel, Wi-Fi, Bluetooth) |
Designing labels for the Zebra ZT420
Create your ZPL by adjusting the DPI to the printer and choosing a width within the specified maximum. Preview it in the viewer to avoid clipping or wasted material.
| DPI | Maximum width | ^PW value |
|---|---|---|
| --- | --- | --- |
| 203 DPI / 300 DPI | 168 mm | ^PW1343 |
^PW sets the printable width in dots. Use the value that matches the actual DPI of your printer.
^XA
^PW1343
^LL1340
^FO40,40^A0N,38,38^FDZebra ZT420 - 203 DPI^FS
^FO40,100^GB1263,2,2^FS
^FO40,130^A0N,28,28^FD168 mm / 1343 dots^FS
^XZ
Official source
Technical data from the Zebra ZT420 specification sheet.
- [View the Zebra source](https://www.zebra.com/us/en/products/spec-sheets/printers/industrial/zt420.html)
Frequently asked questions
What resolution (DPI) does the Zebra ZT420 have?
See the specification table: it lists the available DPI for this model.
Can I preview my ZPL for the Zebra ZT420 without printing?
Yes. Paste your code into the ZPL viewer and set the Zebra ZT420's DPI to see the label exactly as printed.