Download drivers for the Zebra GK420t Printer from Zebra
Amazon.com: ZEBRA GK420t Thermal Transfer Monochrome Desktop Printer Print Width of 4 in USB and Ethernet Port Connectivity GK42-102210-000 : Office Products
How To Replace/Install Platen Roller | Zebra GK420t Barcode Printer - YouTube
GX420t Desktop Printer Support & Downloads | Zebra
Amazon.com : Zebra - GK420t Thermal Transfer Desktop Printer for Labels, Receipts, Barcodes, Tags, and Wrist Bands - Print Width of 4 in - USB, Serial, and Parallel Connectivity (Renewed) : Office Products