Zebra GK420d direct thermal desktop label printer, front view

Zebra GK420t and GK420d desktop printers side by side, printing labels

Zebra GK420t thermal transfer desktop printer

Zebra GT800 and GK420 Desktop Barcode Printers

These models have been discontinued

GK420d / GK420t (including GK420 HC): Zebra no longer sells it (last sale 31 December 2021); Zebra support ended 28 February 2025 (APAC dates). Replacement: ZD421.

GT800: Zebra no longer sells it (last sale 31 January 2020); Zebra support ended 31 March 2023 (APAC dates). Replacement: ZD220, ZD421 or ZD621 (Zebra lists all three).

Source: the maker's notice for the GK420d / GK420t (including GK420 HC) (opens in a new tab), read 13 October 2026. Makers sometimes revise these dates; about our product information.

Source: the maker's notice for the GT800 (opens in a new tab), read 13 October 2026. Makers sometimes revise these dates; about our product information.

This page stays online for owners of these models.

See the Zebra ZD421 See the Zebra ZD220 See the Zebra ZD621

See all discontinued models and their replacements

Older Zebra models and their replacements

Zebra GT800 GK420 Advanced Desktop Printers

Printer Model : GK420D (Direct Thermal), GK420T (Thermal Transfer), GT800 (Thermal Transfer and Direct), GK420HC (Health Care) Zebra’s GK Series and GT800 desktop printers combine dependable printing with fast print speeds and network manageability.
Firmware : ZPL II; EPL 2;
Programming Languages : ZPL and EPL
Communications : USB 1.1, RS-232 serial, Centronics parallel (36-pin); optional internal 10/100 Ethernet, which replaces the serial and parallel ports on the GK420 and the parallel port on the GT800
Print Width : 4.09 in./104 mm
Print Speed : 5 in./127 mm per second (203 dpi); 4 in./102 mm per second at 300 dpi (GT800 only)
Print Resolution : 203 dpi/8 dots per mm; optional 300 dpi/12 dots per mm on the GT800 only
Others : ENERGY STAR qualified.

Ask about the Zebra ZD421

Zebra ZD421 price in India: on written quotation. Share the model, quantity and city; we reply within one working day (Monday to Saturday, 9:30 AM to 6:30 PM).

Call +91 98412 07861 WhatsApp

Zebra GT800 and GK420 datasheet and documents

Description	Download
Zebra GK420 support and downloads	Open Zebra GK420 support and downloads on the maker's site (new tab)
Zebra GT800 support and downloads	Open Zebra GT800 support and downloads on the maker's site (new tab)

Industries that use the Zebra GT800 and GK420

Security
Transportation
Retail
Hospitality

What the Zebra GT800 and GK420 are used for

Price Marking
Inventory Labels
Shipping Labels
Bag Tags
Visitor ID