The Zebra GK420t is a compact, reliable desktop label printer designed for thermal transfer and direct thermal printing. Here’s a breakdown of its key specifications:
General Features:
– Print Method: Thermal Transfer & Direct Thermal
– Resolution: 203 dpi (8 dots/mm)
– Max Print Width: 4.09″ (104 mm)
– Max Print Length: 39″ (991 mm)
– Print Speed: Up to 5″ (127 mm/sec)
– Memory: 4 MB Flash, 8 MB SDRAM
– Programming Languages: EPL2 and ZPL II
Media & Ribbon
– Media Width: 0.75″ to 4.25″ (19 mm to 108 mm)
– Max Roll Diameter: 5″ (127 mm)
– Media Thickness: 0.003″ to 0.0075″ (0.08 mm to 0.19 mm)
– Ribbon Length: 244′ (74 m)
– Ribbon Width: 1.33″ to 4.3″ (33.8 mm to 109.2 mm)
Connectivity
– Interfaces: USB 1.1, Serial (RS-232), Parallel
– Optional: Internal 10/100 Ethernet
Physical Dimensions
| Dimension | GK420t |
| Height | 7.5″ (191 mm) |
| Width | 7.6″ (193 mm) |
| Depth | 10.0″ (254 mm) |
| Weight | 4.6 lbs (2.1 kg) |
Environmental Conditions
– Operating Temp: 40°F to 105°F (4.4°C to 41°C)
– Storage Temp: -40°F to 140°F (-40°C to 60°C)
– Humidity: 10% to 90% (operating), 5% to 95% (storage)
Barcode Support
– 1D Barcodes: Code 39, Code 128, UPC-A/E, EAN-13/8, Interleaved 2 of 5, and more
– 2D Barcodes: QR Code, PDF417, Data Matrix, Aztec, MaxiCode
You can explore more details in the official Zebra GK420t datasheet or check out the user manual for setup and troubleshooting. Let me know if you want help comparing it to other models or finding compatible labels!
Use Cases
• Healthcare: Patient ID wristbands, specimen labeling
• Retail: Price tags, shelf labels
• Logistics: Shipping labels, inventory tracking
• Hospitality: Boarding passes, bag tags
Box Contents:
– Zebra GK420t Printer – the main unit
– Power Supply & Power Cord – varies by region
– USB Cable – for connecting to your computer
– Cleaning Pen – for maintaining the printhead
– Documentation & Software – including user guides and setup utilities
– Starter Ribbon Core – for thermal transfer printing








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