ZT400 Series. Constructed with an all-metal frame and bi-fold door, these printer are durable and allow easy access. The 4.3-inch full-colour touch display with intuitive interface makes them easy to use, and shows colour-coded printer status alerts. Configure your printer your way with advanced technology, along with two open communication slots. These printers keep your critical operations running efficiently today, and give you the flexibility to add features in the future as you need them.