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
Links to Zebra GK420d user guide and videos – nShift
Zebra GK420D Manual In PDF Format | GK420D User Guide
How to set up a Zebra ZD420D printer and print tickets - Regiondo GmbH Knowledge Base
Zebra Technologies Printer GK420D User Guide | ManualsOnline.com
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