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Product Code: PTHO-021
MPN #: ZD4A043-30EE00EZ
Running a small shop or a busy warehouse often means you need labels fast, clear and reliable. When a printer jams or prints blurry tags, orders get delayed and customers get upset. The Zebra ZD421T gives you a compact, fast and secure way to print high-quality labels every time, so you can keep work moving without waste. It works with wired or wireless connections, so you can place it wherever you need it.
Imagine a label printer that never slows you down, even during a rush hour. The Zebra ZD421T is a 4-inch thermal transfer printer built for fast, crisp printing at 102 mm per second. It supports both wired Ethernet and Bluetooth Low Energy, letting you connect to a PC, tablet or mobile device without extra cables. If you have been frustrated by printers that need constant maintenance, this model offers easy ribbon loading and a clear LCD that shows status at a glance. Zebras security features also protect your data from accidental loss.
| Printing | |
| Maximum printing width | 10.8 cm |
| Print speed | 102 mm/sec |
| Print speed | 102 mm/sec |
| Print speed | 102 mm/sec |
| Number of printable dots | 12 dot |
| Maximum resolution | 300 x 300 DPI |
| Print technology | Thermal transfer |
| Paper handling | |
| Maximum label length | 0.991 m |
| 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 Low Energy (BLE) | Yes |
| Bluetooth version | 5.0 |
| Bluetooth | Yes |
| Wi-Fi | No |
| Ethernet LAN | Yes |
| Connectivity technology | Wired & Wireless |
| Performance | |
| Flash memory | 512 MB |
| Internal memory | 256 MB |
| Page description languages | EPL2, XML, ZBI, ZPL II |
| Design | |
| Display | LCD |
| Built-in display | Yes |
| Product colour | Grey |
| 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 | |
| Width | 202 mm |
| Other features | |
| Maximum resolution | 300 x 300 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)