Zebra GK420

Zebra GK420 Thermal Printer


Zebra GK420 Thermal Printer

The top selling desktop printer in the world

  • Ideal uses include, Healthcare, Retail, Travel, Supply chain, Post & parcel.
  • Prints at 127mm per second
  • Direct ethernet connection option, ideal for networking
  • Easy to load media, can be used on a roll or a fanfold form
  • Auto media calibration
  • EPL™ and ZPL® native


The Zebra GK420 thermal printer provides a proven design and long term dependability. The GK420t thermal transfer printer and the GK420d direct thermal printer are the ideal option for applications that require network manageability and low total cost of ownership.

  • Built with Zebra durability and reliability
  • Zebra’s G-Series GK model provides the best value of all basic desktop thermal printers
  • Easy to load media, can be used on a roll or a fanfold form
  • Ideally used on a a desktop environment as a direct connection or as part of a network

Tech Specs

Physical and environmental characteristics

Dimensions 7.6”/ 193mm, 7.5”/ 190mm, 10.0”/ 254mm (W,H,L)
Weight 4.6 lb/ 2.1kg
Sealing N/A
Drop / Shock N/A
Operating Temp 4.4°C to 41°C
Storage Temp  -40°C to 60°C
Humidity Operating: 10% to 90% non-condensing

Performance characteristics

Print Mechanism Thermal transfer & Direct thermal
Media Type Thermal Label roll / Fanfold
Media Width 0.75”/ 19mm to 4.25”/ 108mm
Media Size 5”/ 127mm O.D.
Media Length/ No Peel Mode Maximum non-continuous: 39”/ 990mm
Resolution 203 DPI (8 dots/mm)
Print Width 104 mm (4.1 inch)
Fonts •  16 resident expandable ZPL II bitmap fonts
•  One resident scalable ZPL font
•  Five resident expandable EPL2 fonts
•  Native OpenType™ font support
•  Unicode-compliant for multi-language
Memory 4MB flash; 8MB SDRAM
Barcode Symbols
1D Codabar, Code 11 (ZPL), Code
39, Code 93, Code 128, EAN-8, EAN-13, EAN-14
(ZPL), German Post Code (EPL), GS1 DataBar
(RSS), Industrial 2-of-5 (ZPL), Interleaved 2-of-5,
ISBT-128 (ZPL), Japanese Postnet (EPL), Logmars
(ZPL), MSI, Plessey, Postnet, Standard 2-of-5
(ZPL), UCC/EAN-128 (EPL), UPC-A, UPC-A and
UPC-E with EAN 2 or 5 digit extensions, UPC-E,
UPC and EAN 2 or 5 digit extensions (ZPL)
2D Codablock (ZPL), Code
49 (ZPL), Data Matrix, (ZPL), MaxiCode,
MicroPDF417, PDF417, QR Code
Driver Windows, Mac
Emulation N/A
Sensor Fixed reflective and transmissive
Battery N/A AC only
Method of Charge Battery N/A
Wireless & GPS network characteristics
Standard  USB, Serial, Parallel
Option Eithernet
Mounting options
Person mounting For use on desktop style surfaces.

Regulatory approvals

All specification and desings are subject to change without notice.
Emissions: FCC Part 15, Subpart B, VCCI, C-Tick
•  Emissions and Susceptibility: (CE): EN 55022
Class B, EN 61000-3-2, EN 61000-3-0 and EN
55024, CCC
•  Safety: CB Scheme IEC 60950:1991 +A1 +A2