Zebra GK420t Label Printer (Direct Thermal)

Zebra GK420t label printer is a versatile, high-performance solution for printing sharp, high-quality text, barcodes, and graphics.

Designed for durability and frequent use, this printer offers flexible connectivity options (USB, Serial, Centronics Parallel) and features both Thermal Transfer and Direct Thermal printing technologies.

With a max print speed of 5 inches per second and a 203 dpi print resolution, the GK420t is ideal for creating address labels, shipping labels, barcode tags, and more. It is energy-efficient, Energy Star approved, and offers easy media loading with Zebra’s OpenACCESS™ design.

This Zebra GK420t is perfect for businesses that need reliable, low-maintenance label printing with high throughput and ease of integration into existing systems.

Specifications

• Brand: Zebra
• Model: GK420t
• Category: Label Printers, Zebra Label Printers
• Resolution: 203 dpi (8 dots/mm)
• Print Speed: 5 inches per second (127 mm/sec)
• Print Width: 4.09 inches (104 mm)
• Print Length: Up to 39 inches (991 mm)
• Memory:
  • Standard: 8 MB SDRAM (3 MB available to user)
  • Flash: 4 MB (1.5 MB available)
• Maximum Label Width: 4.25 inches (108 mm)
• Maximum Label and Liner Width:
  • Standard: 4.25 inches (108 mm)
  • With Media Adapter Guides: 2.8 inches (71 mm)
• Core Diameter:
  • 1.0 inch (25.4 mm)
  • 1.5 inch (38 mm)
• Connectivity Options: USB, Serial, Centronics Parallel
• Print Technologies: Thermal Transfer or Direct Thermal
• Processor: 32-bit RISC processor
• Fonts: Resident scalable fonts
• Energy Efficiency: Energy Star approved
• OpenACCESS™ Design for easy media loading
• Durability: Double-walled ABS case construction
• Head-Up Sensor for automatic media detection
• Auto-Calibration for quick setup

Features

• Thermal Transfer & Direct Thermal Printing:
  The Zebra GK420t offers the flexibility of both Thermal Transfer (using a ribbon) and Direct Thermal (using thermal media only) printing technologies. This versatility allows businesses to choose the best solution for their labeling needs.
• High-Speed Printing:
  With a print speed of up to 5 inches per second (127 mm/sec), the GK420t ensures high throughput and quick label production, making it ideal for businesses with high-volume printing requirements.
• Compact and Durable:
  Designed for durability, the GK420t features a double-walled ABS case construction to withstand everyday use in busy environments. It’s built to perform reliably in demanding applications, from shipping labels to barcode tags.
• Simple Media Loading:
  The OpenACCESS™ design makes media loading a breeze. It minimizes downtime and simplifies the task of loading new media, so your operation can stay productive.
• Zebra Programming Language (ZPL II):
  The Zebra GK420t supports ZPL II, the universal language of Zebra printers, which allows for easy integration into existing systems without the need for additional software.
• High-Quality Output:
  The 203 dpi resolution ensures sharp and clear printing of text, barcodes, and graphics. Whether you are printing shipping labels or product tags, you can rely on the clarity of your prints.
• Energy Star Approved:
  The Zebra GK420t is Energy Star approved, meaning it is designed to minimize energy consumption, helping to reduce operating costs while being environmentally friendly.
• Low Maintenance:
  The GK420t is designed to be a low-maintenance printer, featuring permanent downloading of label formats and graphics, which improves throughput and reduces downtime.
• Versatile Applications:
  The Zebra GK420t is perfect for a wide range of applications, including address labels, shipping labels, barcode labels, mailing tags, and file folder labels. It is especially well-suited for use in industries such as retail, logistics, healthcare, and manufacturing.

Common FAQs

• What is the difference between Thermal Transfer and Direct Thermal printing?
  • Thermal Transfer uses a thermal ribbon to print on label media, making it ideal for labels that require longer shelf life or exposure to harsh conditions.
  • Direct Thermal uses heat-sensitive media to print directly on the label, eliminating the need for a ribbon. It is ideal for short-term use labels like shipping or inventory labels.
• Can the Zebra GK420t print on different label sizes?
  Yes, the Zebra GK420t can print on labels up to 4.25 inches wide and can accommodate a range of label sizes using the media adapter guides.
• How fast can the Zebra GK420t print labels?
  The Zebra GK420t has a print speed of up to 5 inches per second (127 mm/sec), making it ideal for high-volume printing environments.
• What types of connectivity does the Zebra GK420t offer?
  The Zebra GK420t supports USB, Serial, and Centronics Parallel connectivity, making it versatile and easy to integrate with various systems.
• Is the Zebra GK420t compatible with existing Zebra printers?
  Yes, the Zebra GK420t supports ZPL II, Zebra’s universal programming language, ensuring seamless integration into systems that already use Zebra printers.
• What is the maximum print length of the Zebra GK420t?
  The Zebra GK420t can print labels up to 39 inches (991 mm) in length, making it suitable for a wide range of labeling applications.
• What type of labels can the Zebra GK420t print on?
  The Zebra GK420t can print on thermal transfer labels, direct thermal labels, and various media types, including address labels, barcode tags, and shipping labels.

Brand