Zebra printers
Zebra ZD421: ZPL guide
<img src="/guides/zebra/zd421.jpg" alt="Zebra ZD421" width="360" loading="lazy" />
Zebra ZD421: ZPL guide
The Zebra ZD421 is a desktop 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 ZD421 |
|---|---|
| Resolution | 203 DPI / 300 DPI |
| Maximum print width | 104 mm (4.09") @ 203 DPI |
| Type | Desktop |
| Technology | Direct thermal and thermal transfer |
| Print speed | 6 ips / 152 mm/s (203 DPI); 4 ips / 102 mm/s (300 DPI) |
| Firmware / languages | ZPL II; EPL 2; XML |
| Connectivity | USB (options: Ethernet, Wi-Fi, Bluetooth) |
Designing labels for the Zebra ZD421
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 | 104 mm | ^PW831 |
^PW sets the printable width in dots. Use the value that matches the actual DPI of your printer.
^XA
^PW831
^LL1199
^FO40,40^A0N,38,38^FDZebra ZD421 - 203 DPI^FS
^FO40,100^GB751,2,2^FS
^FO40,130^A0N,28,28^FD104 mm / 831 dots^FS
^XZ
Official source
Technical data from the Zebra ZD421 specification sheet.
- [View the Zebra source](https://www.zebra.com/us/en/products/spec-sheets/printers/desktop/zd421.html)
Frequently asked questions
What resolution (DPI) does the Zebra ZD421 have?
See the specification table: it lists the available DPI for this model.
Can I preview my ZPL for the Zebra ZD421 without printing?
Yes. Paste your code into the ZPL viewer and set the Zebra ZD421's DPI to see the label exactly as printed.