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JetLabel^™

Design

Designer canvas Text & fonts Shapes, images & PDF Templates & library

Codes & data

Barcodes & QR Image → Thermal Data sources & FBA Serial numbers

Direct & batch printing Printer discovery Thermal hardening Preflight & QA

Image → Thermal

See any logo or photo in 1-bit with five dithering methods — live.

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TSC

TSC TE310 TSC TE210 TSC DA220

Zebra

Zebra ZD421 Zebra ZD420d Zebra GK420d

Brother · DYMO · Deli

Brother QL-820NWB DYMO LabelWriter 550 Deli DP23

Compatibility Center

Every tested printer with setup steps, test prints and known issues.

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Convert

Image → Thermal (1-bit) Image → PDF label SVG → label

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Printers · Zebra

Zebra GK420t on Mac — Setup & Label Printing with JetLabel

Compatible (community-reported)

The GK420t is the thermal-transfer sibling of the GK420d with ZPL/EPL auto-switch. It accepts raw ZPL, so JetLabel drives it directly over USB on macOS.

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Zebra GK420t — spec sheet

Protocol

ZPL

Resolution

203 dpi

Interfaces

USB, opt. Eth/Serial

Driverless

Yes

macOS driver

Yes

Recommended

60 × 30 mm, 100 × 150 mm

Does the Zebra GK420t work on macOS?

Yes — the Zebra GK420t works on macOS with JetLabel via ZPL direct printing.

Print to your Zebra GK420t today.

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Zebra is a trademark of its respective owner. JetLabel is independent and not affiliated with Zebra. Compatibility marked “community-reported” has not been individually verified.