Specification Sheet
Table Of Contents
- Optional Features
 - Accessories
 - ZebraLink™ Solutions
 - Zebra® GX420d™, GX420t™ and GX430t™ PRINTER SPECIFICATIONS
 - Printing Specifications
 - Ribbon Specifications
 - Media Specifications
 - Calibration Procedure
 - ZPL Programming Language (ZPL/ZPL II)
 - ZPL Font Specifications 203 dpi (8 dots/mm)
 - 300 dpi (12 dots/mm), GX430t
 - ZPL Barcode Symbologies
 - EPL Programming Language (EPL2)
 - EPL Font Specifications
 - 203 dpi (8 dots/mm)
 - 300 dpi (12 dots/mm)
 - EPL Barcodes
 - Communications Specifications
 - Electrical Specifications
 - Agency Approvals
 - Physical Specifications (no options installed)
 - Environmental Specifications
 - Preventative Maintenance
 
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SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE 
2 
•  ZebraDesigner – Offers basic features for simple label 
design (standard) 
•  ZebraNet Bridge Enterprise – Centrally manage 
Zebra printers from a single PC screen anywhere on 
your global network (option) 
•  ZebraNet Utilities v 7.0 – Provides enhanced printing, 
conversion and administration capabilities; message 
management and more (standard) 
•  Zebra Universal Driver – The most powerful driver 
available from Zebra for Windows 
95/98/2000/2003/ME/NT/XP (standard)  
•  ZebraDesigner Driver – Zebra driver compliant with 
Windows 95/98/2000/2003/ME/NT/XP and Vista 
(downloadable from www.Zebra.com) 
•  ZBI 2.0 – Powerful programming language that lets 
printers run stand-alone applications, connect to 
peripherals and much more (optional) 
•  ZBI-Developer – Programming utility makes it 
dramatically easier for programmers to create and test 
complex ZBI 2.0 programs and distribute them to the 
printer (standard with ZBI 2.0) 
Networking Options 
•  Ethernet – 10/100 internal offered in combination with 
USB v1.1 & Serial interface (replaces Parallel port) 
•  Wireless – 802.11b/g or Bluetooth 2.0 with LCD 
display (replaces Parallel port) 
Firmware 
•  EPL2
– Eltron Programming Language simplifies label 
formatting and enables format compatibility with legacy 
applications 
•  EPL – Line Mode support (GX420d) enables format 
compatibility with legacy applications 
•  ZPL II – Universal language for Zebra printers.  
Simplifies label formatting and enables format 
compatibility with existing systems that run Zebra 
printers. 
•  Web View – Connect and control Zebra bar code 
printers via the printer’s Web interface using a common 
Web browser (ZPL mode) 
•  Alert – Printers equipped with ZebraNet print servers 
will notify users via any email-enabled, wired or 
wireless device to minimize downtime (ZPL mode) 
Printing Specifications 
Resolution 
203 dots/inch (dpi) 
(8 dots/mm) 
300 dots/inch (dpi) 
(12 dots/mm) 
Speed 
inch/sec - ips 
(mm/sec) 
Programmable 2, 3, 
4, 5 with 6 max. (51, 
76, 102, 127 
with max.152) 
Programmable 2, 3 
with 4 max. (51, 76, 
with max.102) 
Dot pitch 
0.0049" (0.13 mm) 
0.0033" (0.08 mm) 
Max. print length 
39.0" (991 mm) 
39.0" (991 mm) 
Min. print length 
One dot 
One dot 
Max. print width 
4.09" (104 mm) 
4.09" (104 mm) 
Min. print width 
One dot 
One dot 
Barcode modulus 
“X” dimension 
5 mil to 50 mil 
3.27 mil to 32.67 mil 
Ribbon Specifications 
NOTE: For optimum print quality and printer performance, 
use of Zebra genuine ribbon is recommended as well as a 
notched ribbon core. 
•  Ribbon Width: 1.33" (33.8 mm) to 4.3" (109 mm) 
•  Ribbon Capacity: 1 roll of ribbon per 1 roll of 5” OD 
media 
•  Core ID: 0.5" (12.7 mm) 
•  Ribbon OD: 1.36" (35 mm) 
•  Ribbon Length: 244' (74 m) using 0.000328" ribbon 
thickness 
•  Ribbon Type: wax, wax/resin and resin 
Media Specifications 
NOTE: For optimum print quality and printer 
performance, use of Zebra genuine supplies is 
recommended. 
•  Media Width: 0.75" (19 mm) to 4.25" (108 mm) 
•  Label Length: 
-  Using tear-off mode: 
-  Minimum with label present sensor used - 0.50" 
(12.7 mm) 
-  Minimum with cutter - 1.0" (25.4 mm) 
•  Maximum with standard memory - 39.00" (990 mm) 
•  Core Inner Diameter: 0.5" (12.7 mm), 1.0" (25.4 mm), 
1.5” (37.1 mm) 





