Amazon.com : ZEBRA GK420d Direct Thermal Desktop Printer Print Width of 4 in USB Serial and Parallel Port Connectivity GK42-202510-000 : Label Makers : Office Products
Zebra GK Series GK420d - Label printer - direct thermal - Roll (4.25 in) - 203 dpi - up to 300 inch/min - parallel, USB, serial - Walmart.com
Zebra Technologies GK420d Series Thermal Label Printer – Parkmills
Amazon.com : ZEBRA GK420d Direct Thermal Desktop Printer Print Width of 4 in USB Serial and Parallel Port Connectivity GK42-202510-000 : Label Makers : Office Products
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File:Overview of opened label printer Zebra GK420d in Michle, Prague.jpg - Wikimedia Commons