Zebra ZD420: ZPL guide
The Zebra ZD420 is a desktop printer that supports ZPL. Below are its key specs for designing and printing labels, plus tools to preview your ZPL before sending it.

Key specifications
| Model | Zebra ZD420 |
|---|---|
| Resolution | 203 / 300 DPI |
| Maximum print width | 104 mm (4.09") @ 203 DPI · 108 mm (4.25") @ 300 DPI |
| Type | desktop |
| Technology | Direct thermal and thermal transfer |
| Print speed | 6 ips / 152 mm/s at 203 DPI; 4 ips / 102 mm/s at 300 DPI |
| Memory | 512 MB Flash; 256 MB SDRAM with factory network options, or 512 MB Flash; 128 MB SDRAM without them |
| Firmware / languages | ZPL II; EPL 2; XML; ZBI |
| Media width | 15-118 mm (0.585-4.65 in) |
| Maximum label length | 991 mm (39.0 in) |
| Connectivity | USB 2.0 and USB Host; field-installable connectivity options depending on configuration |
| Media sensors | Full-width movable reflective/black mark sensor; multi-position transmissive/gap sensor |
Designing labels for the ZD420
Build your ZPL by matching the DPI to the printer and a width within the stated maximum. Preview it in the viewer to avoid clipping or wasted media.
| DPI | Maximum width | ^PW value |
|---|---|---|
| 203 DPI | 104 mm | ^PW831 |
| 300 DPI | 108 mm | ^PW1276 |
^PW sets the printable width in dots. Use the value that matches the real DPI of your printer.
^XA
^PW831
^LL1199
^FO40,40^A0N,38,38^FDZebra ZD420 - 203 DPI^FS
^FO40,100^GB751,2,2^FS
^FO40,130^A0N,28,28^FD104 mm / 831 dots^FS
^XZOfficial source
Technical data collected from Zebra ZD420 specification sheet.
View Zebra sourceFrequently asked questions
What resolution (DPI) does the ZD420 have?
Check the specs table: it lists the DPI available for this model.
Can I preview my ZPL for the ZD420 without printing?
Yes. Paste your code into the ZPL viewer and set the ZD420 DPI to see the label exactly as it will print.
