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Introduction
GX Series Thermal Printers
2
980612-001 Rev. A GX420t / GX430t User Guide 12/14/07
GX Series Thermal Printers
The Zebra GX model is the best in class desktop thermal printer with the widest range of
features. The GX420t printer provides thermal transfer and direct thermal printing at speeds up
to 6 ips (inches per second) at a 203 dpi (dots per inch) print density. The GX430t printer
provide thermal transfer and direct thermal printing at speeds up to 4 ips at a 300 dpi print
density. Both the GX420t and GX430t support both ZPL and EPL Zebra printer programming
languages and a wide variety of interface and feature options.
The G-Series™ printer features:
• Automatic printer language detection and switching between ZPL and EPL programming
and label formats.
• OpenAccess™ design for simplified media loading.
• The industry’s easiest ribbon loading design.
• Color-coded operator controls and media guides.
• Resident scalable font, supports font download, Unicode fonts and resident bitmap fonts.
• Improved printer performance: faster print speeds, 32-bit processor, and VCSEL laser
media sensing.
• Printhead test and maintenance reporting.
The GX printers offer a wide range of printer options:
• Label Dispense (Peel-Off)
• Internal 10/100 Print Server and Ethernet Interface
• Moveable Black Mark Sensor
• Receipt and general media cutters
• On-board RTC (Real Time Clock) and Full Flash memory
• Asian Language support with printer configuration options for the large Simplified and
Traditional Chinese, Japanese, or Korean character sets.
This users guide provides all of the information you will need to operate your printer on a daily
basis. To create label formats, refer to your programming guides or label design applications
such as Zebra Designer.
Your printer, when connected to a host computer, functions as a complete system for printing
labels and tags.
Note • Many printer settings may also be controlled by your printer’s driver or label design
software. Refer to the driver or software documentation for more information.