Introduction

Be free from picking and choosing between reliability, functionality and security. With Zebra's ZD400 Series 4-inch printers, you're assured of quality performance for years of operation, key features that keep your business moving forward and unmatched security to prevent downtime and costly cyberattacks. And, with our exclusive Print DNA software suite, these printers are easy to setup, operate, manage and maintain - onsite or remotely. We're always innovating to deliver just what you need today, and keep you ahead of tomorrow's technology advancements. You need it. Zebra delivers it, for more than 50 years.b
When you buy a Zebra ZD421 printer, each step is frustration-free. With our exclusive Print DNA software suite, it's easy to install and start printing quickly. Manage onsite or remotely using our robust, web-based management tool. Protect your data and prevent downtime with PrintSecure. Use Print Touch with near field communication (NFC) to pair and print or access how-to videos.
The ZD421 offers the advanced features, reliability, flexibility and security that make it stand apart. See status at a glance with the display's five LED icons. Choose the ribbon cartridge model for fast and fool-proof ribbon loading, or the disinfectant-ready healthcare models for medical environments. Easily transport the ZD421 with the carrying case and battery.
Technology is constantly and rapidly advancing. Replacing outdated equipment is costly. Be ready for what's next with the ZD421 printer that's engineered to evolve with a new innovative architecture to power ever-expanding printer capabilities. The ZD421 features a more intuitive user interface, and field-upgradeable connectivity and media handling to grow with your business.

Specifications

Printing
Maximum resolution	203 x 203 DPI
Print technology	Thermal transfer
Printable dot numbers	8 dot
Display
Display	LCD
Network
Wi-Fi	Yes
Ethernet LAN	Yes
Paper handling
Media thickness	0.08 - 0.19 mm
Maximum roll diameter	12.7 cm
Maximum label length	0.991 m
Ports & interfaces
Wi-Fi standards	Wi-Fi 5 (802.11ac)
USB 2.0 ports quantity	1
Connectivity technology	Wired & Wireless
Bluetooth	Yes
Wi-Fi	Yes
Ethernet LAN	Yes
USB port	Yes
Performance
Mobile operating systems supported	Android, iOS
Internal memory	256 MB
Flash memory	512 MB
Page description languages	EPL2,XML,ZBI,ZPL II
Design
Display	LCD
Product colour	Grey
Power
AC input voltage	100 - 240 V
AC input frequency	50-60 Hz
System requirements
Mobile operating systems supported	Android, iOS
Windows operating systems supported	Yes
Operational conditions
Storage temperature (T-T)	-40 - 60 °C
Storage relative humidity (H-H)	5 - 95%
Operating temperature (T-T)	4.4 - 41 °C
Operating relative humidity (H-H)	10 - 90%