Zebra GK420t GK Series Thermal Transfer Desktop Label Printer – 203 dpi / 5 ips – [GK420t]

The Zebra GK420t is a compact desktop thermal transfer label printer from the GK Series, designed for printing labels, tags, receipts and barcodes. The model supports thermal transfer printing with ribbon media and is rated for up to 5 inches per second at 203 dpi. The exact part number, interface configuration and regional power-cord variant must be confirmed before listing because GK420t was sold under multiple MPN configurations.

Key Specifications

• Brand: Zebra Technologies
• Series: GK Series
• Model: GK420t
• Printer type: Desktop thermal transfer label printer
• Print resolution: 203 dpi / 8 dots per mm
• Maximum print speed: 5 inches per second / 127 mm per second
• Maximum print width: 4.09 inches / 104 mm
• Maximum print length: 39 inches / 991 mm
• Print languages: EPL and ZPL
• Memory: 4 MB Flash and 8 MB SDRAM
• Media support: Roll-fed or fan-fed labels, tags, receipts and wristbands, subject to media specifications
• Ribbon: Thermal-transfer ribbon with approximately 74 m standard length and 0.5-inch core for GK Series configurations
• Connectivity: USB standard; serial, parallel and optional 10/100 Ethernet configurations vary by MPN
• Power input: Auto-detectable 100–240 V AC, 50–60 Hz
• Dimensions for thermal-transfer configuration: approximately 193 mm wide × 191 mm high × 254 mm deep
• Weight for thermal-transfer configuration: approximately 2.1 kg

Highlights

• Thermal transfer printing is suitable for labels that require a ribbon-based print process.
• OpenACCESS design supports straightforward media loading.
• Quick ribbon-loading design simplifies supply replacement.
• Supports both EPL and ZPL printer programming languages.
• Automatic media calibration helps configure installed label media.
• Compatible with Zebra printer software and Windows drivers documented for the GK420t.
• The model is discontinued by Zebra; Zebra identifies the ZD421 as its replacement product.

Confirm the printer label or configuration report for the complete Zebra part number before purchase, especially when interface and power-cord requirements matter.