Zebra GC420T Thermal Transfer Label Printer USB Serial Parallel GC420-100510-000 | eBay
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Zebra GC420T Thermal Transfer Barcode Printer | RedZone2u
Amazon.com : ZEBRA GK420t Thermal Transfer Desktop Monochrome Printer Print Width of 4 in USB Serial and Parallel Connectivity GK42-102510-000 : Label Makers : Office Products
Amazon.com : ZEBRA GC420t Thermal Transfer Desktop Printer Print Width of 4 in USB Serial and Parallel Port Connectivity GC420-100510-000 : Label Makers : Office Products