Laser & Thermal Printable Wristband Portfolio
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Advanced Desktop Printers

Zebra’s G-Series GK™ desktop printers, including the GK420™ Healthcare model, combine dependable printing with fast print speeds and network manageability. With their easy-to-use design, GK420™  printers enable you to improve operational efficiencies.

Download Advanced Desktop Brochure

Download GK420 Healthcare Brochure

 

 

Used For:
  • Distributed Printer Deployments
  • Retail Inventory & Product Labeling
  • Healthcare Labeling
  • Receipt Printing

GK420t Thermal Transfer Desktop Printer

The GK420t is the ideal option for mid-volume and distributed-printing applications.  With fast print speeds, network manageability and low total cost of ownership, the GK420t boasts a variety of features to enable professional-quality printing.

gk420t_th

GK420d Direct Thermal Desktop Printer

Zebra’s GK420d provides a reliable, efficient way to print labels for applications with a short shelf life in mid-volume or distributed-printing environments.

gk420d_th

GK420d/t Healthcare Desktop Printer

Engineered for years of performance in healthcare environments, Zebra’s GK420 Healthcare printers deliver advancements in healthcare-specific construction and electrical certifications.  Available in both direct thermal and thermal transfer models, healthcare professionals can print labels and wristbands anywhere in a healthcare facility for nearly any application. 

*available in North America, Europe, and the Middle East only

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GK420t
GK420d
GK420t HC
GK420d HC
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Standard Features

  • Print speed: up to 5" (127 mm) per second
  • Print method: direct thermal/thermal transfer
  • EPL and ZPL programming languages standard


More Standard Features
  • OpenACCESS design for easy media loading
  • Quick and easy ribbon loading system
  • Dual-wall reinforced plastic construction
  • 32 bit RISC processor
  • XML-enabled printing

Printer Specifications

Resolution: 203 dpi (8 dots/mm)
Memory: Standard: 8 MB SDRAM (3 MB available to end user); 4 MB Flash (1.5 MB available to end user)
Print width: 4.09" (104 mm)
Print length: 39" (991 mm)
Print speed: 5" (127 mm)/sec
Media sensors: Reflective, Transmissive


Media Characteristics

Maximum label and liner width: 4.25" (108 mm)
Minimum label and liner width: 0.75" (19 mm)
Maximum label and liner length: 0.38" (9.7 mm) to 39" (991 mm)
Maximum roll diameter: 5" (127 mm)
Core diameter: 0.5" (12.7 mm), 1.0" (25.4 mm), 1.5" (37.1 mm)
Media thickness: 0.003" (0.08 mm) to 0.0075" (0.20 mm)
Media types: black bar, black mark, continuous, continuous receipt, die-cut, fanfold, gap, notched, perforated, receipt, roll-fed, tag, tag stock


Ribbon Characteristics

Outside diameter: 1.34" (34 mm)
Standard length: 244' (74 m)
Ratio: 1:1

Ribbon width

  • Recommended to be at least as wide as media
  • 1.33" (33.8 mm) to 4.3" (110 mm)


ID Core: 0.5" (12.7 mm)


Operating Characteristics

Operating temperatureTT: Operating temperature: 40° F (5° C) to 105° F (41° C)
Thermal transfer DT: Operating temperature: 40° F (5° C) to 105° F (41° C)
Direct thermal Storage temperatures: -40° F (-40° C) to 140° F (60° C)
Operating humidity: 10-90% non-condensing
Storage humidity: 5-95% non-condensing
Electrical: Auto-detecable (PFC Compliant) 100-240 VAC, 50-60 Hz

Agency approvals

  • FCC Part 15
  • Subpart 15
  • VCCI
  • C-Tick
  • EN55022 Class-B
  • EN6100-3-2
  • EN6100-3-3
  • EN55024
  • CCC
  • CB Scheme IEC 60950: 1991 +A1 +A2 + A3 +A4
  • TUV NRTL
  • IRAM
  • NOM
  • AAMI

Physical Characteristics

Width: 7.6" (194 mm)
Height: 7.5" (191 mm)
Depth: 10" (254 mm)
Weight: 4.6 lbs (2.1 kg)
Shipping weight: 9.1 lbs (4.1 kg)
Orientation Center


Related Products

Options

  • 10/100 internal Ethernet connectivity
  • Dispenser - label peel and present with present sensor
  • Asian font sets

Communication and Interface Capabilities

  • Auto-sensing Serial RS-232 (DB-9)
  • USB V1.1, bi-directional
  • Centronics Parallel
  • 10/100 internal Ethernet (replaces parallel port)

Programming Languages

Core programming languages: EPL2, ZPL I/ZPL II


barcodes/Symbologies

Linear Codabar
Code 11
Code 128
Code 128 with subsets A/B/C
Code 39
Code 93
EAN-13
EAN-14
EAN-8
EAN-8 and EAN-13 with 2 or 5 digit extensions
German Post Code
Industrial 2-of-5
Interleaved 2-of-5
Japanese Postnet
Logmars
MSI
MSI-3
Plessey
Postnet
RSS (reduced space symbology)
Standard 2-of-5
UCC/EAN-128
UPC and EAN 2 or 5 digit extensions
UPC-A
UPC-A and UPC-E with 2 or 5 digit extensions
UPC-A and UPC-E with EAN 2 or 5 digit extensions
UPC-E
2-dimensional Aztec
Codablock
Code 49
Data Matrix
MacroPDF417
MaxiCode
MicroPDF417
PDF417
QR Code
RSS / GS1 DataBar family (12 barcodes)

Fonts and Graphics

  • 16 resident expandable ZPL II bitmap fonts
  • One resident scalable ZPL font
  • Five resident expandable EPL2 bitmap fonts
  • Supports user-defined fonts and graphics - including customer logos
gk420d_th

Standard Features

  • Print speed: up to 5" (127 mm) per second
  • Print method: direct thermal
  • EPL and ZPL programming languages standard


More Standard Features
  • OpenACCESS design for easy media loading
  • Smallest footprint in 4-inch thermal printer
  • Dual-wall reinforced plastic construction
  • 32 bit RISC processor
  • XML-enabled printing

Printer Specifications

Resolution: 203 dpi (8 dots/mm)
Memory: Standard: 8 MB SDRAM (3 MB available to user); 4 MB Flash (1.5 MB available to user)
Print width: 4.09" (104 mm)
Print length: 39" (991 mm)
Print speed: 5" (127 mm)/sec
Media sensors: Reflective, Transmissive


Media Characteristics

Maximum label and liner width: 4.25" (108 mm)
Minimum label and liner width: 0.75" (19 mm)
Maximum label and liner length: 0.38" (9.7 mm) to 39" (991 mm)
Maximum roll diameter: 5" (127 mm)
Core diameter: 0.5" (12.7 mm), 1.0" (25.4 mm), 1.5" (37.1 mm)
Media thickness: 0.003" (0.08 mm) to 0.0075" (0.20 mm)
Media types: black bar, black mark, continuous, continuous receipt, die-cut, fanfold, gap, notched, perforated, receipt, roll-fed, tag, tag stock


Operating Characteristics

Operating temperature DT: Operating temperature: 40° F (5° C) to 105° F (41° C)
Direct thermal Storage temperatures: -40° F (-40° C) to 140° F (60° C)
Operating humidity: 10-90% non-condensing
Storage humidity: 5-95% non-condensing
Electrical: Auto-detectable (PFC Compliant) 100-240 VAC, 50-60 Hz
Agency approvals

  • FCC Part 15
  • Subpart 15
  • VCCI
  • C-Tick
  • EN55022 Class-B
  • EN6100-3-2
  • EN6100-3-3
  • EN55024
  • CCC
  • CB Scheme IEC 60950: 1991 +A1 +A2 + A3 +A4
  • TUV NRTL
  • IRAM
  • NOM
  • AAMI

Physical Characteristics

Width: 6.75" (171 mm)
Height: 6" (152 mm)
Depth: 8.25" (209 mm)
Weight: 3.1 lbs (1.4 kg)
Shipping weight: 7.1 lbs (3.2 kg)
Orientation Center


Related Products

Options

  • 10/100 internal Ethernet connectivity
  • Dispenser - label peel and present with present sensor
  • Asian font sets

Communication and Interface Capabilities

  • Auto-sensing Serial RS-232 (DB-9)
  • USB V1.1, bi-directional
  • Centronics Parallel
  • 10/100 internal Ethernet (replaces parallel port)

Programming Languages

Core programming languages: EPL2, Line Mode, ZPL I/ZPL II


barcodes/Symbologies

Linear Codabar
Code 11
Code 128
Code 128 with subsets A/B/C
Code 39
Code 93
EAN-13
EAN-14
EAN-8
EAN-8 and EAN-13 with 2 or 5 digit extensions
German Post Code
Industrial 2-of-5
Interleaved 2-of-5
Japanese Postnet
Logmars
MSI
MSI-3
Plessey
Postnet
RSS (reduced space symbology)
Standard 2-of-5
UCC/EAN-128
UPC and EAN 2 or 5 digit extensions
UPC-A
UPC-A and UPC-E with 2 or 5 digit extensions
UPC-A and UPC-E with EAN 2 or 5 digit extensions
UPC-E
2-dimensional Aztec
Codablock
Code 49
Data Matrix
MacroPDF417
MaxiCode
MicroPDF417
PDF417
QR Code
RSS / GS1 DataBar family (12 barcodes)
Fonts and Graphics

  • 16 resident expandable ZPL II bitmap fonts
  • One resident scalable ZPL font
  • Five resident expandable EPL2 bitmap fonts
  • Supports user-defined fonts and graphics - including customer logos
gk420thc-th

Standard Features

  • Print speed: up to 5" (127 mm) per second
  • Disinfectant-ready plastics
  • Medical-grade power supply

 


More Standard Features
  • Print method: thermal transfer 
  • Programming language: EPL and ZPL are 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 
  • Triple connectivity: USB, Parallel, Serial 
  • ENERGY STAR® qualified

Printer Specifications
  • Resolution: 203 dpi/8 dots per mm
  • Memory: Standard - 4 MB Flash; 8 MB SDRAM
  • Print Width: 4.09”/104 mm
  • Maximum Print Length: 39.0”/990 mm
  • Maximum Print Speed: 5”/127 mm per second
  • Media Sensors: Fixed reflective and transmissive sensors

Media Characteristics
  • Maximum Label and Liner Length: Non-continuous - 39”/990 mm
  • Maximum Label and Liner Width: 0.75”/19 mm to 4.25”/108 mm
  • Maximum Media Roll Size: 5”/127 mm O.D.
  • Media Thickness: 0.003”/0.08 mm to 0.0075”/0.19 mm
  • Media Types: Roll-fed or fan-fed, die-cut or continuous direct thermal labels with or without black line, tag stock, continuous receipt paper, wristbands 

Ribbon Characteristics
  • Outside diameter: 1.36"/35 mm 
  • Standard length: 244'/74 m 
  • Ratio: 1:1 media to roll to ribbon 
  • Width: 1.33"/33.8 mm to 43"/109.2 mm 
  • Core inner diameter: 0.5"/12.7 mm

Operating Characteristics

Environmental

  • Operating temperature: 40° F/4.4° C to 105° F/41° C 
  • Storage temperature: -40° F/-40° C to 140° F/60° C 
  • Operating humidity: 10% to 90% non-condensing 
  • Storage humidity: 5% to 95% non-condensing 

Electrical

  • Auto-detectable (PFC Compliant) 100-240VAV, 50-60Hz
  • ENERGY STAR qualified 
  • IEC 60601-1 Certified 

Agency Approvals

  • Emissions: FCC Part 15, Subpart B (Class B), ICES 003 
  • Emissions and Susceptibility: EN55022 (Class B), EN55024, EN61000-3-2, EN61000-3-3
  • Safety: CB Scheme IEC 60950-1, TUV NRTL

Physical Characteristics
  • Width: 7.6" (194 mm)
  • Height: 7.5" (191 mm)
  • Depth: 10" (254 mm)
  • Weight: 4.6 lbs (2.1 kg)

Communication and Interface Capabilities
  • RS-232 auto-sensing Serial interface, DB-9 
  • USB V1.1, bi-directional 
  • Centronics® parallel 
  • Ethernet—10/100 internal (optional, replaces Serial and Parallel ports)

 ZebraLink™ Solutions:

Software

  • ZebraDesigner™ Pro 
  • ZebraDesigner 
  • ZebraNet™ Bridge Enterprise 
  • ZebraNet Utilities v7.0 
  • ZebraDesigner Driver 
  • ZBI-Developer™ 
  • POS Driver

Networking and Connectivity

  • Ethernet—10/100 internal (optional) offered in combination with USB and Serial interface (replaces Parallel port) 

Firmware

  • EPL2™  
  • ZPL II® 
  • Web View 
  • Alert 
  • ZBI™

Fonts/Graphics/Symbologies

Fonts and Character Sets

  • 16 resident expandable ZPL II bitmap fonts 
  • One resident scaleable ZPL font 
  • Five resident expandable EPL2 fonts 
  • Native open type font support
  • Unicode™ compliant for multi-language, on- demand thermal printing

Graphic Features

  • Supports user-defined fonts and graphics— including custom logos
  • ZPL II drawing commands—for boxes and lines

Barcode Symbologies

  • Barcode Ratios: 2:1 (non-rotated) and 3:1 
  • Linear Barcodes: 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)

Options and Accessories

  • ZebraNet® 10/100 Print Server—Internal Ethernet for network communication and printing
  • Font Packs—Asian and other international font kits
  • ZKDU™ and KDU Plus™ keyboard display units for stand-alone printing solutions
  • Interface cables and adapters
 
gk420d-left-th

Standard Features

  • Print speed: up to 5" (127 mm) per second
  • Disinfectant-ready plastics
  • Medical-grade power supply

 


 More Standard Features
  • Print method: direct thermal 
  • Programming language: EPL and ZPL are 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 
  • Triple connectivity: USB, Parallel, Serial 
  • ENERGY STAR® qualified

Printer Specifications
  • Resolution: 203 dpi/8 dots per mm
  • Memory: Standard - 4 MB Flash; 8 MB SDRAM
  • Print Width: 4.09”/104 mm
  • Maximum Print Length: 39.0”/990 mm
  • Maximum Print Speed: 5”/127 mm per second
  • Media Sensors: Fixed reflective and transmissive sensors

Media Characteristics
  • Maximum Label and Liner Length: Non-continuous - 39”/990 mm
  • Maximum Label and Liner Width: 0.75”/19 mm to 4.25”/108 mm
  • Maximum Media Roll Size: 5”/127 mm O.D.
  • Media Thickness: 0.003”/0.08 mm to 0.0075”/0.19 mm
  • Media Types: Roll-fed or fan-fed, die-cut or continuous direct thermal labels with or without black line, tag stock, continuous receipt paper, wristbands

Operating Characteristics

Environmental

  • Operating temperature: 40° F/4.4° C to 105° F/41° C 
  • Storage temperature: -40° F/-40° C to 140° F/60° C 
  • Operating humidity: 10% to 90% non-condensing 
  • Storage humidity: 5% to 95% non-condensing 

Electrical

  • Auto-detectable (PFC Compliant) 100-240VAV, 50-60Hz
  • ENERGY STAR qualified 
  • IEC 60601-1 Certified 

Agency Approvals

  • Emissions: FCC Part 15, Subpart B (Class B), ICES 003 
  • Emissions and Susceptibility: EN55022 (Class B), EN55024, EN61000-3-2, EN61000-3-3
  • Safety: CB Scheme IEC 60950-1, TUV NRTL

Physical Characteristics
  • Width: 6.75" (171 mm)
  • Height: 6.0" (152 mm)
  • Depth: 8.25" (210 mm)
  • Weight: 3.0 lbs (1.4 kg)

Communication and Interface Capabilities
  • RS-232 auto-sensing Serial interface, DB-9 
  • USB V1.1, bi-directional 
  • Centronics® parallel 
  • Ethernet—10/100 internal (optional, replaces Serial and Parallel ports)

ZebraLink™ Solutions:

Software

  • ZebraDesigner™ Pro 
  • ZebraDesigner 
  • ZebraNet™ Bridge Enterprise 
  • ZebraNet Utilities v7.0 
  • ZebraDesigner Driver 
  • ZBI-Developer™ 
  • POS Driver

Networking and Connectivity

  • Ethernet—10/100 internal (optional) offered in combination with USB and Serial interface (replaces Parallel port) 

Firmware

  • EPL2™
  • EPL Line Mode (direct thermal only)  
  • ZPL II® 
  • Web View 
  • Alert 
  • ZBI™

Fonts/Graphics/Symbologies

Fonts and Character Sets

  • 16 resident expandable ZPL II bitmap fonts 
  • One resident scaleable ZPL font 
  • Five resident expandable EPL2 fonts 
  • Native open type font support
  • Unicode™ compliant for multi-language, on- demand thermal printing

Graphic Features

  • Supports user-defined fonts and graphics— including custom logos
  • ZPL II drawing commands—for boxes and lines

Barcode Symbologies

  • Barcode Ratios: 2:1 (non-rotated) and 3:1 
  • Linear Barcodes: 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)

Options and Accessories

  • ZebraNet® 10/100 Print Server—Internal Ethernet for network communication and printing
  • Font Packs—Asian and other international font kits
  • ZKDU™ and KDU Plus™ keyboard display units for stand-alone printing solutions
  • Interface cables and adapters

 More Standard Features
  • Print method: direct thermal 
  • Programming language: EPL and ZPL are 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 
  • Triple connectivity: USB, Parallel, Serial 
  • ENERGY STAR® qualified

Printer Specifications
  • Resolution: 203 dpi/8 dots per mm
  • Memory: Standard - 4 MB Flash; 8 MB SDRAM
  • Print Width: 4.09”/104 mm
  • Maximum Print Length: 39.0”/990 mm
  • Maximum Print Speed: 5”/127 mm per second
  • Media Sensors: Fixed reflective and transmissive sensors

Media Characteristics
  • Maximum Label and Liner Length: Non-continuous - 39”/990 mm
  • Maximum Label and Liner Width: 0.75”/19 mm to 4.25”/108 mm
  • Maximum Media Roll Size: 5”/127 mm O.D.
  • Media Thickness: 0.003”/0.08 mm to 0.0075”/0.19 mm
  • Media Types: Roll-fed or fan-fed, die-cut or continuous direct thermal labels with or without black line, tag stock, continuous receipt paper, wristbands

Operating Characteristics

Environmental

  • Operating temperature: 40° F/4.4° C to 105° F/41° C 
  • Storage temperature: -40° F/-40° C to 140° F/60° C 
  • Operating humidity: 10% to 90% non-condensing 
  • Storage humidity: 5% to 95% non-condensing 

Electrical

  • Auto-detectable (PFC Compliant) 100-240VAV, 50-60Hz
  • ENERGY STAR qualified 
  • IEC 60601-1 Certified 

Agency Approvals

  • Emissions: FCC Part 15, Subpart B (Class B), ICES 003 
  • Emissions and Susceptibility: EN55022 (Class B), EN55024, EN61000-3-2, EN61000-3-3
  • Safety: CB Scheme IEC 60950-1, TUV NRTL

Physical Characteristics
  • Width: 6.75" (171 mm)
  • Height: 6.0" (152 mm)
  • Depth: 8.25" (210 mm)
  • Weight: 3.0 lbs (1.4 kg)

Communication and Interface Capabilities
  • RS-232 auto-sensing Serial interface, DB-9 
  • USB V1.1, bi-directional 
  • Centronics® parallel 
  • Ethernet—10/100 internal (optional, replaces Serial and Parallel ports)

ZebraLink™ Solutions:

Software

  • ZebraDesigner™ Pro 
  • ZebraDesigner 
  • ZebraNet™ Bridge Enterprise 
  • ZebraNet Utilities v7.0 
  • ZebraDesigner Driver 
  • ZBI-Developer™ 
  • POS Driver

Networking and Connectivity

  • Ethernet—10/100 internal (optional) offered in combination with USB and Serial interface (replaces Parallel port) 

Firmware

  • EPL2™
  • EPL Line Mode (direct thermal only)  
  • ZPL II® 
  • Web View 
  • Alert 
  • ZBI™

Fonts/Graphics/Symbologies

Fonts and Character Sets

  • 16 resident expandable ZPL II bitmap fonts 
  • One resident scaleable ZPL font 
  • Five resident expandable EPL2 fonts 
  • Native open type font support
  • Unicode™ compliant for multi-language, on- demand thermal printing

Graphic Features

  • Supports user-defined fonts and graphics— including custom logos
  • ZPL II drawing commands—for boxes and lines

Barcode Symbologies

  • Barcode Ratios: 2:1 (non-rotated) and 3:1 
  • Linear Barcodes: 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)

Options and Accessories

  • ZebraNet® 10/100 Print Server—Internal Ethernet for network communication and printing
  • Font Packs—Asian and other international font kits
  • ZKDU™ and KDU Plus™ keyboard display units for stand-alone printing solutions
  • Interface cables and adapters