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.