The ZD421, built on Zebra's popular GK Series, provides years of trouble-free printing with advanced features, forward-thinking flexibility and additional security features. It is available in thermal transfer and direct thermal models. With five LED indicators, users can see at a glance what it takes to keep printers up and running, from refilling media to troubleshooting printer problems. Advanced remote... management features help you optimise your printers, track and automate consumable reordering and ensure security.