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
GC420t Desktop Printer Support & Downloads | Zebra
Zebra GC420T Cleaning the Printer Easy - How to Tips and Tricks by @3labels - YouTube
GC420T Barcode Label Printer, Thermal Transfer, 4 Inch, USB Interface