Zebra GK420t Thermal Desktop Barcode Label Printer
The Zebra GK420t is the premier choice for retail stores, warehouses, courier logistics, and healthcare venues requiring clean, durable, long-lasting barcode tags. Built with Zebra’s dual-wall frame construction, the GK420t supports both Thermal Transfer (ribbon printing for fade-resistant shelf pricing and product tags) and Direct Thermal printing for quick shipping labels.
Key Highlights
- Dual-Mode Printing Flexibility: Print short-term courier shipping labels without ribbon or long-term shelf pricing tags using standard thermal transfer ribbons.
- OpenACCESS™ Clamshell Design: Simple top-loading shell allows fast drop-in media and ribbon replacements during busy operational hours.
- Industry Standard Compatibility: Native ZPL II and EPL2 language support ensures seamless plug-and-play setup with all major retail POS, courier (Courier IT, Fastway, DHL), and inventory software.
- Compact Footprint: Durable, space-saving design fits easily on cluttered cash desks and stockroom counters.
Technical Specifications
| Model | Zebra GK420t (GK42-102220-000) |
| Print Method | Thermal Transfer & Direct Thermal |
| Resolution | 203 DPI (8 dots/mm) |
| Max Print Speed | 127 mm/sec (5 ips) |
| Max Print Width | 104 mm (4.09 inches) |
| Memory | 8MB SDRAM / 4MB Flash |
| Connectivity | USB, RS-232 Serial, Centronics Parallel |
| Ribbon Capacity | 74m Roll Length (12.7mm / 0.5″ Inner Core) |
| Warranty | 6-Month Carry-In Warranty |
What’s Included in the Box?
- 1 x Zebra GK420t Label Printer Unit
- 1 x Power Adapter & Power Cable
- 1 x USB Data Cable
- 1 x Take-up Ribbon Core






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