Zebra GK420d Parallel Serial USB Direct Thermal Label
Amazon.com : ZEBRA GK420d Direct Thermal Desktop Monochrome Printer Print Width of 4 in USB Serial and Parallel Port Connectivity GK42-202510-000 : Label Makers : Office Products
Zebra Technologies GK420d Series Thermal Label Printer – Parkmills
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Zebra GK420d Direct Thermal Label Printer (USB, Ethernet)