Zebra GK420d: ZPL guide
The Zebra GK420d 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 GK420d |
|---|---|
| Resolution | 203 DPI |
| Maximum print width | 104 mm (4.09") @ 203 DPI |
| Type | desktop |
| Technology | Direct thermal |
| Print speed | Up to 5 ips / 127 mm/s |
| Memory | 8 MB SDRAM; 4 MB Flash |
| Firmware / languages | ZPL; EPL |
| Media width | 19-108 mm (0.75-4.25 in) |
| Maximum label length | 991 mm (39.0 in) |
| Connectivity | USB; optional serial, Ethernet, parallel, Bluetooth or Wi-Fi depending on configuration |
| Media sensors | Gap sensor and blackline sensor |
Designing labels for the GK420d
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 |
^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 GK420d - 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 GK420d user guide.
View Zebra sourceFrequently asked questions
What resolution (DPI) does the GK420d have?
Check the specs table: it lists the DPI available for this model.
Can I preview my ZPL for the GK420d without printing?
Yes. Paste your code into the ZPL viewer and set the GK420d DPI to see the label exactly as it will print.
About the author
Eduard Diaz
Eduard Diaz is an IT technician (development) at S-IE, an official Zebra partner with more than 20 years providing identification and labelling services. He builds and maintains EditorZPL to make working with ZPL and Zebra label printers easier.
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