Zebra GK420 Printer - GK420d & GK420t

Compact Desktop Printer

Image of a Zebra GK420 Thermal Printer
Zebra GK420 Printer Models and Prices Zebra GK420 Ribbons and Labels Zebra GK420 Specification

Making a difference to your desktop

Zebra’s G-Series compact desktop printers deliver best-in-class speed and performance for print widths up to 104mm (4"). From the basic GK™ model to the feature-rich GX™ model, the G-Series printers offer a reliable, durable and flexible desktop solution for any printing application and budget.

Built with Zebra durability and reliability, the G-Series GK model provides the best value of all basic desktop thermal printers, while the premier GX model supports a variety of industries and applications with the widest range of features. Choose the space-saving direct-thermal version of either model for the smallest footprint of any 104mm (4") desktop printer, or the direct-thermal/thermal-transfer version to save users time with the easiest ribbon-loading system available.

With both EPL™ and ZPL® native on all models and a variety of connectivity options for personal, local and networked systems, the G-Series printers integrate easily and seamlessly with other Zebra printing solutions.

Zebra’s G-Series printers support many applications, including:

  • Healthcare: Patient identification, Sample and specimen identification, Sterile services labelling, Pharmacy prescription labelling
  • Retail: Product labelling, Price mark-down, Shelf-edge labelling, Voucher and receipt printing
  • Travel: Boarding passes, Bag tags
  • Hospitality, Service & Leisure: Event and exhibition ticketing, Fast-food labelling, Gaming and betting slips
  • Supply chain: Process, product and shipping labelling
  • Post & parcel: Electronic franking, Address labelling


Image of a Zebra GK420 Printer with baggage label Image of a Zebra GK420 Printer with large shipping label Image of a Zebra GK420 Printer with visitor badges Image of a Zebra GK420 Printer with food labels Image of a Zebra GK420 Printer with shelf label Image of the Zebra GK printer family


Zebra GK420 Printer Models
Model Number Description Price*
GK42-202520-000 Zebra GK420d DT 203dpi Printer with EPL/ZPL, USB, RS232 Serial, Parallel (Auto-sensing) (UK/EU) (incl USB Cable) £238.00
GK42-202521-000 Zebra GK420d DT 203dpi Printer with EPL/ZPL, USB, RS232 Serial, Parallel (Auto-sensing), Dispenser (UK/EU) (incl USB Cable) £256.00
GK42-202220-000 Zebra GK420d DT 203dpi Printer with EPL/ZPL, USB, 10/100 Ethernet (UK/EU) (incl USB Cable) £319.00
GK42-102520-000 Zebra GK420t TT/DT 203dpi Printer with EPL/ZPL, USB, RS232 Serial, Parallel (Auto-sensing) (UK/EU) (incl USB Cable) £285.00
GK42-102220-000 Zebra GK420t TT/DT 203dpi Printer with EPL/ZPL, USB, 10/100 Ethernet (UK/EU) (incl USB Cable) £366.00


*Please note all prices shown are exclusive of VAT

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Alternative Models
Zebra LP/TLP2824 Plus Zebra GC420 Zebra GT800 Zebra GX420 & GX430 Zebra ZD500
Image of a Zebra LP2824 Plus Printer Image of a Zebra GC420 Printer Image of a Zebra GT800 Printer Image of a Zebra GX420 Printer Image of a Zebra ZD500 Printer
From £169.00 From £213.00 From £249.00 From £295.00 From £459.00

View All Zebra Desktop Printers
View All Zebra Printers


Zebra GK420 Printer Accessories
Part Number Description Price*
120181-005G Keyboard Display Unit £119.00
120182G-001 KDU Plus (Keyboard Display Unit) £154.00
P1031031 External ZebraNet® 10/100 Print Server v2 (Requires Centronics parallel port) £139.00
105850-006 USB Interface Cable 6’ (A to B) £9.00
G105850-003 Serial Interface Cable - 6' (DB-9 to DB-9) £9.00
G105950-054 Serial Interface Cable 6’ (DB-9 to DB-9) Null Modem £13.00
105850-001 Parallel Interface Cable 6' (Centronics) £10.50
105950-035 Print Head Cleaning Pens x 12 £30.00


Zebra GK420 Printer Software
Part Number Description Price*
13831-002 ZebraDesigner™ Pro v2 £165.00
48766-001 ZBI 2.0 Enablement Kit (1 printer) £66.00


Zebra GK420 Printer Aftermarket
Part Number Description Price*
105934-037 Print Head Assembly, Direct Thermal 203 dpi £87.50
105934-038 Print Head Assembly, Thermal Transfer 203 dpi £87.50


Zebra GK420t Printer Ribbon
Part Number Description Price*
02300GS11007 110mm x 74m 2300 Wax, Box of 12 rolls £23.88
03200GS11007 110mm x 74m 3200 Wax/Resin, Box of 12 rolls £39.00
05095GS11007 110mm x 74m 5095 Resin, Box of 12 rolls £75.00


*Please note that all prices shown are exclusive of VAT


Zebra GK420 Printer Full Specification
STANDARD FEATURES Print methods: Direct thermal or thermal transfer
  Programming languages: EPL and ZPL as standard
  Construction: Dual-wall frame
  Tool-less replacement of printhead and platen
  OpenACCESS™ for easy media loading
  Quick and easy ribbon loading
  Auto-calibration of media
PRINTER SPECIFICATIONS Resolution: 8 dots per mm/203dpi
  Memory: 4MB flash; 8MB SDRAM
  Print width: 104mm/4.09"
  Maximum print length: 990mm/39.0"
  Maximum print speed: GK420: 127mm/5" per second
  Media sensors: Standard: Fixed reflective and transmissive sensors
MEDIA CHARACTERISTICS Maximum label and liner length: Maximum non-continuous: 990mm/39"
  Maximum label and liner width:19mm/0.75" to 108mm/4.25"
  Maximum media roll size: 127mm/5" O.D.
  Media thickness: 0.076mm/0.003" to 0.19mm/0.0075"
  Media types: Roll-fed or fanfold, die-cut or continuous direct-thermal labels with or without black mark, tag stock, continuous receipt paper, wristbands
RIBBON CHARACTERISTICS Outside diameter: 35mm/1.36"
  Length: 74m/244' (when using 0.08mm ribbon thickness)
  Ratio: 1:1 media roll to ribbon
  Width: 33.8mm/1.33" to 109.2mm/4.3"
  Core inner diameter: 12.7mm/0.5"
  Operating temperature: 4.4°C to 41°C
  Storage temperature: -40°C to 60°C
  Operating humidity: 5% to 95% non-condensing
  Storage humidity: 5% to 95% non-condensing
  Auto-detectable (PFC-compliant) 100–240VAC, 50–60Hz
  Agency Approvals
  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 +A3 +A4, TÜV NRTL, IRAM NOM, AAMI, CCC
PHYSICAL CHARACTERISTICS Width: Direct thermal: 171mm/6.75"; Thermal transfer: 193mm/7.6"
  Height: Direct thermal: 152mm/6.0";  Thermal transfer: 190mm/7.5"
  Depth: Direct thermal: 210mm/8.25"; Thermal transfer: 254mm/10.0"
  Weight: Direct thermal: 1.4kg/3lb; Thermal transfer: 2.1kg/4.6lb
  ZebraDesigner Driver (downloadable from www.zebra.com)
  ZebraDesigner™ Pro
  ZebraNet™ Bridge Enterprise
  ZebraNet Utilities v7.0
  Zebra Universal Driver
  ZebraNet® 10/100 Print Server (optional)
  802.11g wireless LAN (optional)
  Bluetooth® wireless PAN (optional)
  EPL Line Mode (Direct thermal only – GK420d)
  Web View
COMMUNICATION AND INTERFACE CAPABILITIES GK models have dual interface standard
  RS-232 serial interface, DB-9
  USB 1.1, bi-directional
  ZebraNet 10/100 Print Server (optional) – replaces serial
FONTS/GRAPHICS/SYMBOLOGIES Fonts and character sets
  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 applications
  Graphics features
  Supports user-defined fonts and graphics including custom logos
  ZPL II drawing commands for boxes and lines
  Bar code symbologies
  Bar code ratios: 2:1 (non-rotated) and 3:1 For EPL and ZPL except where noted
  Linear Bar Codes: 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)
  Two-dimensional: Codablock (ZPL), Code 49 (ZPL), Data Matrix, (ZPL), MaxiCode, MicroPDF417, PDF417, QR Code
OPTIONS AND ACCESSORIES Label dispenser with label-present sensor
  ZebraNet 10/100 Print Server – internal Ethernet for network communication and printing
  802.11g wireless (optional)
  Bluetooth wireless (optional)
  Wireless options include LCD for visual communication
  Font packs – Asian and other international font kits
  KDU Plus™ and KDU™ keyboard display units for standalone printing solutions

* Specifications subject to change without notice.

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