New Thermal Printhead Assembly For Zebra Gt420t Gk420t Gx420t 203dpi 105934-038 Desktop Printer - Printer Parts - AliExpress
Amazon.com: ZEBRA GK420t Thermal Transfer Monochrome Desktop Printer Print Width of 4 in USB and Ethernet Port Connectivity GK42-102210-000 : Office Products
Amazon.com: ZEBRA GK420t Thermal Transfer Monochrome Desktop Printer Print Width of 4 in USB and Ethernet Port Connectivity GK42-102210-000 : Office Products
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Zebra GK420t Printer USB & Serial, with ribbon GK42-102510-000 Thermal Transfer – Barcodeearth
Links to Zebra GK420d user guide and videos – nShift