The ZD421 is simple to install and begin printing—right out of the box. USB connectivity allows for universal interoperability. Easily replace legacy printers using ZPL, EPL or non-Zebra command languages. And, media changes are expedited with Zebra’s OpenACCESS™ clamshell design. It is ideal for use in transportation and logistics, light manufacturing, retail and healthcare applications to print a variety of tickets, tags, passes, labels and receipts.
Printer Specifications
| Operating System | Link-OS |
| Resolution | 203 dpi/8 dots per mm 300 dpi/12 dots per mm (optional) |
| Memory | 512 MB Flash; 256 MB SDRAM |
| Maximum Print Width | ZD421: 4.09 in./104 mm for 203 dpi 4.16 in./106 mm for 300 dpi ZD421 Thermal Transfer Cartridge: 4.09 in./104 mm for 203 and 300 dpi |
| Maximum Print Speed | 6 in./152 mm per second (203 dpi) 4 in./102 mm per second (300 dpi) |
| Media Sensors | Full width, moveable reflective/black mark sensor; multi-position transmissive/gap sensor |
| Programming Languages | ZPL II; EPL 2; XML; ZBI; PDF Direct |






























