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Zebra GK42-202210-000 203 dpi Advanced DT Desktop Printer GK420D – Ethernet

Manufacturer Part No.
Retail $771.00
Web Price $485.73
Call 888-444-9128 for Availability

Zebra GK420D, direct thermal, 203 dpi, 4.09-inch print width, 5ips print speed, EPL and ZPL, USB 2.0, 10/100 Ethernet (replaces serial/parallel). Includes US power cord and 6-foot USB cable.

Select GK Series printer part numbers are no longer for sale. The replacement model is Zebra's ZD420 desktop printer. Please purchase direct replacement part number ZD42042-D01E00EZ.

This item ships for FREE!


With their easy-to-use design, Zebra's GK™ series advanced desktop printers combine a proven design and long term dependability with fast print speeds and network manageability, making them a top choice for a variety of mid-volume and distributed-printing applications to reliably produce quality text, barcodes or graphics. Delivering a maximum print speed of 6 inches per second (203 dpi), the GK420t thermal transfer printer and the GK420d/GK420e direct thermal printers are the ideal option for label and receipt printing applications that require network manageability in retail, manufacturing, and transportation & logistics.

The intuitive design of the GK420 printers combines a choice of three connectivity interfaces – USB, Parallel, and Serial – and optional 10/100 Ethernet, co-resident EPL2 and ZPL II programming languages and Unicode to ensure quick and efficient integration. The GK420 offers direct thermal only models for simplicity and cost savings.


  • Standard programming languages: EPL™ and ZPL®
  • Standard construction: Dual-wall frame
  • Tool-less printhead and platen replacement
  • OpenACCESS™ for easy media loading
  • Quick and easy ribbon loading
  • Auto-calibration of media
  • Certified Microsoft® Windows® drivers
  • ENERGY STAR® qualified

Technical Specifications

Print resolution: 203 dpi (8 dots/mm)
Maximum print speed: 5 ips (127 mm/sec)
Maximum media width: 4.25" (108 mm)
Maximum print width: 4.09" (104 mm)
Media thickness: 0.003" (0.08 mm) - 0.0075" (0.19 mm)
Core inner diameter: 0.5" (12.7 mm), 1" (25.4 mm), 1.5" (37.1 mm)
Max roll outer diameter: 5" (127 mm)
Media sensors: Fixed reflective and transmissive gap, black line, and notch
Media type: Roll-fed or fan-fold, die cut or continuous direct thermal labels with or without black line, tag stock, continuous receipt paper, and wristbands

General Information

Product type: Advanced direct thermal desktop label and receipt printer
Brand name: Zebra
Manufacturer: Zebra Technologies
Product model: GK420d (GK Series)

Physical Characteristics

Height: 6" (152 mm)
Width: 6.75" (171 mm)
Depth: 8.25" (210 mm)
Form factor: 4" desktop printer
Weight (approximate): 3 lbs. (1.4 kg)


USB V1.1, bi-directional
Internal 10/100 Ethernet (replaces Serial and Parallel ports)


Operating temperature: 40°F to 105°F (4.4°C to 41°C)
Storage temperature: -40°F to 140°F (-40°C to 60°C)
Humidity: 10% to 90% non-condensing RH


Auto-detectable (PFC Compliant) 100-240VAC, 50- 60Hz rated at 70Watts
ENERGY STAR 2.0 qualified printers

Barcodes, Fonts, & Firmware

Barcode ratios: 2:1 (non-rotated) and 3:1
1D symbologies: Codabar, Code 11 (ZPL), Code 128, Code 39, Code 93, Code 93, EAN-13, EAN-8, EAN-14 (ZPL), German Post Code (EPL), Industrial 2-of-5 (ZPL), Interleaved 2-of-5, Japanese Postnet (EPL), ISBT-128 (ZPL), Logmars (ZPL), MSI, Plessey, Postnet, GS1 DataBar (RSS-14), Standard 2-of-5 (ZPL), UCC/EAN-128 (EPL), UPC and EAN 2 or 5 digit extensions (ZPL), UPC-A, UPC-A and UPC-E with EAN 2 or 5 digit extensions, UPC-E, and GS1 Databar (formerly RSS)
2D symbologies: Codablock (ZPL), Code 49 (ZPL), Data Matrix, MaxiCode, QR Code, PDF417, MicroPDF417, Aztec (For EPL and ZPL except where noted)
Firmware: EPL2™, EPL Line Mode, ZPL II®, Web View, Alert, ZBI™
Fonts: 16 resident expandable bitmap fonts (ZPL language), one resident scalable font (ZPL language), 5 resident expandable bitmap fonts (EPL language)

Performance and Memory

Processor: 32 bit RISC processor
Standard RAM: 8 MB (3 MB user available)
On-board Flash memory: 4 MB (1.5 MB user available)

Regulatory & Service

Agency approvals: FCC Part 15, Subpart B (Class B), ICES 003, VCCI, C-Tick, CQC, EAC, KCC, BSMI, ICES-003; EN55022 (Class B), EN55024, EN61000-3-2, EN61000-3-3; CB Scheme IEC 60950-1, TUV NRTL, C-Tick, CCC, NOM, EAC, KCC, BSMI, BIS


Included in package:

  • GK420d label printer
  • US power cord
  • 6' USB cable
  • Documentation
Technical Specs
Manufacturer Part No. GK42-202210-000
Manufacturer Product Link
Printing Method Direct Thermal
Maximum Print Width (Inches) 4.09
Maximum Media Width (Inches) 4.25
Minimum Media Width (Inches) 0.75
Connectivity Ethernet, USB
Print Features Tear Bar
Print Speed (IPS) 5
DPI 203
Maximum Daily Print Volume 500
Max Media Inner Core (Inches) 1"
Max Outer Diameter (Inches) 5.00"
Winding Direction Out