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Product Code: PTHO-014
MPN #: ZD4AH42-C0EW02EZ
Tired of slow, unreliable label printers that jam when you need them most? The Zebra ZD421 is a compact, high-speed thermal transfer printer that turns that frustration into smooth, fast printing. It is built for businesses that must print barcodes, shipping tags, or wristbands on demand, and it offers both wired and wireless connections so you never miss a job.
Many small and medium-size operations struggle with printers that cannot keep up with peak volume, leading to delayed orders and unhappy customers. This problem matters because every minute of downtime costs money and reputation. The ZD421 solves it by delivering 152 mm per second print speed, crisp 203 203 DPI resolution, and flexible connectivity options. With Zebras Print DNA software you can set up the printer in minutes, manage it remotely, and protect data with PrintSecure, so you stay productive and secure.
| Printing | |
| Maximum printing width | 10.4 cm |
| Print speed | 152 mm/sec |
| Print speed | 152 mm/sec |
| Print speed | 152 mm/sec |
| Number of printable dots | 8 dot |
| Maximum resolution | 203 x 203 DPI |
| Print technology | Thermal transfer |
| Paper handling | |
| Maximum label length | 0.991 m |
| Maximum label width | 10.8 cm |
| Maximum roll diameter | 12.7 cm |
| Media thickness | 0.08 - 0.19 mm |
| Ports & interfaces | |
| USB 2.0 ports quantity | 1 |
| USB port | Yes |
| Bluetooth version | 4.1 |
| Bluetooth | Yes |
| Wi-Fi standards | Wi-Fi 5 (802.11ac) |
| Wi-Fi | Yes |
| Ethernet LAN | No |
| Connectivity technology | Wired & Wireless |
| Performance | |
| Flash memory | 512 MB |
| Internal memory | 256 MB |
| Page description languages | EPL2, XML, ZBI, ZPL II |
| Design | |
| Product colour | Grey, White |
| Power | |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| System requirements | |
| Mobile operating systems supported | Android, iOS |
| Windows operating systems supported | Yes |
| Operational conditions | |
| Operating temperature (T-T) | 4.4 - 41 °C |
| Operating temperature (T-T) | 4.4 - 41 °C |
| Storage temperature (T-T) | -40 - 60 °C |
| Storage temperature (T-T) | -40 - 60 °C |
| Storage relative humidity (H-H) | 5 - 95% |
| Operating relative humidity (H-H) | 10 - 90% |
| Weight & dimensions | |
| Weight | 2.3 kg |
| Height | 177 mm |
| Depth | 254 mm |
| Width | 202 mm |
| Other features | |
| Maximum resolution | 203 x 203 DPI |
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We are retiring PICOPC Products MNHO-073, MNHO-048 and MNHO-043 and they have reached EOL (End Of Life) as we are introducing new products with better technology. We would recommend you to look into MNHO-095. For Untangle, pfSense, OPNsense, Windows 11, Proxmox VE etc. we recommend MNHO-095 whereas for Sophos, Kerio Control and Endian, we would recommend MNHO-069. (A complete list of supported OS can be found in each product's listing)