Zebra printers
Zebra ZT420: ZPL guide
The Zebra ZT420 is an industrial printer. Here you will find the key specifications and a ready-to-use ZPL example.

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The Zebra ZT420 is an industrial printer. Here you will find the key specifications and a ready-to-use ZPL example.
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 | 168 mm | ^PW1343 |
| 300 DPI | 168 mm | ^PW1984 |
^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.
Frequently asked questions
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.