Zebra GC420
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GK420 GT800

Zebra’s GK™ Series and GT800 desktop printers combine dependable printing with fast print speeds and network manageability. With their easy-to-use design, Zebra’s advanced desktop printers enable you to improve operational efficiencies.

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Standard Features:

  • 300 meter ribbon capacity
  • 32 bit RISC processor
  • Co-resident EPL2 and ZPL II programming languages
  • Triple connectivity: Serial, USB and parallel
  • Print methods: Thermal transfer and direct thermal modes; printing of bar codes, text and graphics.
  • OpenACCESS™ for easy media and ribbon loading • Microsoft® Windows® drivers

Printer Specifications:

  • Resolution: 203 dpi/8 dots per mm
  • Memory: 8 MB Flash, 8 MB SDRAM (standard)
  • Print Width: 4.09″/104 mm
  • Print Length: 39″/991 mm
  • Print Speed: 5″/127 mm per second
  • Media Sensors: Reflective and transmissive sensors

Media Characteristics:

  • Media width: .75”/19.5 mm to 4.49”/114 mm
  • Media length: 0.25”/6.5 mm to 39”/991 mm
  • Maximum media roll size: 5”/127 mm O.D. on a 1.00”/25.4 mm, 1.5”/38 mm I.D. core
  • Media thickness: 0.003″/0.08 mm to 0.007″/0.18 mm
  • Media types:
  1. Roll-fed or fan-fold
  2. Label stock (die cut or continuous, direct thermal or thermal transfer)
  3. Tag stock (die cut or continuous, direct thermal or thermal transfer)

Ribbon Characteristics

  • Outside diameter 2.6″/66 mm (300 m); 1.34″/34 mm (74 m)
  • Standard length 984′ (300 m); 242′ (74 m)
  • Ratio 1:4 One ribbon roll per 4 rolls of media (300 Meter);  1:1 One ribbon roll per roll of media (74 Meter)
  • Width 1.33″/33.8 mm to 2.4″/58 mm
  • Core I.D. 300 m ribbon 1.00″/25.4 mm • 74 m ribbon 0.5″/12.7 mm

Operating Characteristics

  • Environmental: Operating Temp: 40° F/5° C to 105° F/41° C; Storage Temp: -40° F/-40° C to 140° F/60° C; Operating Humidity: 10% to 90%  non-condensing R.H; Storage Humidity: 5% to 95% non-condensing R.H.
  • Agency Approvals: TUV-R NRTL, TUV-R CB, NOM, KCC, CE, FCC Class-B

Physical Characteristics:

  • Width:  7.75″/197 mm
  • Height:  7.25″/184 mm
  • Depth:  10.75″/273 mm
  • Weight:  10.98 lbs/5 kg

Zebralink™ Solutions:


  • ZebraDesigner™ Pro—An intuitive, easy-to-use software program for creating complex label  designs (option)
  • ZebraDesigner—Offers basic features for simple label design
  • ZebraNet™ Bridge Enterprise—Centrally manage Zebra printers from a single PC screen anywhere on your global network (unlicensed product free, licensed product option)
  • ZebraNet Utilities v7.0—Provides enhanced printing, conversion and administration capabilities; message management; and more
  • ZebraDesigner Driver—The most powerful driver available from Zebra
  • Web View—Connect and control Zebra bar code printers via the printer’s Web interface using a common Web browser using ZPL
  • Alert—Printers equipped with ZebraNet® print servers will notify you via any e-mail-enabled, wired, or wireless device to minimize downtime

Networking Options:

  • Ethernet—10/100 internal offered in combination with USB and serial interface (replaces parallel port)


  • ZPL II®—Zebra Programming Language provides sophisticated label formatting and printer control and is compatible with tabletop and mobile Zebra printers
  • EPL2™—Eltron Programming Language with Line Mode simplifies label formatting and enables format compatibility with legacy applications


  • 16 resident expandable ZPL fonts
  • One resident scalable ZPL font
  • 5 resident expandable EPL2 fonts
  • Supports user-defined fonts and graphics—including custom logos

Bar Code Symbologies:

  •  Bar Code Ratios: 2:1 (non-rotated) and 3:1
  •  Linear Bar Codes: 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)
  • 2-Dimensional: Codablock (ZPL), Code 49 (ZPL), Data Matrix, MaxiCode, QR Code, PDF417, MicroPDF417, Aztec (For EPL and ZPL except where noted)

Communication and Interface Capabilities

  • Centronics® parallel (36 pin) connector ports
  • RS-232 Serial interface
  • USB V1.1 interface, bi-directional
  • 10/100 internal Ethernet with USB V1.1 (option)

Options and Accessories:

  • Dispenser—Label peel and present with label present sensor
  • ZebraNet 10/100 Print Server—Internal Ethernet for network communication and printing
  • KDU and KDU Plus™—Keyboard display units for stand-alone printing applications

Electrical Specifications

  • Auto-ranging external power supply with C7 type connector
  • Output: 20 VDC, 2.5A
  • Input: 100-240 VAC, 50-60 Hz