The Zebra GX420t/GX430t user guide explains setup, operation, maintenance and troubleshooting for the desktop thermal‑transfer printer.
This guide introduces the GX420t and GX430t desktop thermal‑transfer printers, describing the contents of the packaging, basic functions and how to power the device on and off. It also covers the initial installation steps, loading of ribbons and media, and basic printing procedures.
Later sections detail advanced printing options, control‑panel navigation, routine maintenance, and a comprehensive troubleshooting chapter. Appendices provide interface wiring diagrams, physical dimensions, and ZPL configuration reference tables. This manual is written in Chinese.
| Resolution (default) | 203 dpi |
|---|---|
| Resolution (alternative) | 300 dpi |
| RAM | 2104 kB |
| Optional Memory | 65 536 kB |
| On‑board Flash | 1 536 kB |
| RTC Battery | 3 V lithium |
Adjust the antenna direction or position, increase the distance to the receiver, plug the printer into a different power outlet, or contact a qualified radio‑frequency technician.
The printer uses a 3 V lithium RTC battery, and it must be replaced only by a qualified service technician using Zebra‑approved replacement batteries.
Use the ^JB command to initialize the flash memory, or the ~JB command to reset optional memory.