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Product Code: PTHO-016
MPN #: ZD4A042-C0EE00EZ
Tired of slow, blurry labels that hold up your workflow? The Zebra ZD421 is a fast, reliable printer that creates crisp, durable tags in seconds. It is built for businesses that need to print barcodes, shipping labels, and asset tags without downtime. If you have ever missed a deadline because a printer jammed or printed unreadable codes, this machine solves that problem and keeps your line moving.
Many small and medium businesses struggle with printers that cannot handle high-volume label jobs. A slow printer means longer queues, higher labor costs, and frustrated staff. The ZD421 eliminates those bottlenecks by printing at 305 mm/sec with 203 dpi resolution, delivering sharp text and barcodes on every label. Its wired and Bluetooth Low Energy connectivity lets you place it where it fits best, while the built-in touch screen makes setup quick and intuitive. In short, you get speed, clarity, and flexibility in one compact unit.
| Printing | |
| Maximum printing width | 16.8 cm |
| Print speed | 305 mm/sec |
| Print speed | 305 mm/sec |
| Print speed | 305 mm/sec |
| Maximum resolution | 203 x 203 DPI |
| Colour | No |
| Print technology | Thermal transfer |
| Paper handling | |
| Maximum label length | 450 m |
| Maximum roll diameter | 7.6 cm |
| Media thickness | 0.058 - 0.25 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 |
| Design | |
| Control type | Touch |
| Colour display | Yes |
| Display diagonal | 10.9 cm (4.3") |
| Display | LCD |
| Built-in display | Yes |
| Product colour | Black, Grey |
| Power | |
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Operational conditions | |
| Operating temperature (T-T) | 20 - 85 °C |
| Operating temperature (T-T) | 20 - 85 °C |
| Storage temperature (T-T) | 5 - 85 °C |
| Storage temperature (T-T) | 5 - 85 °C |
| Storage relative humidity (H-H) | -40 - 60% |
| Operating relative humidity (H-H) | 5 - 40% |
| Weight & dimensions | |
| Weight | 18.1 kg |
| Height | 324 mm |
| Depth | 495 mm |
| Width | 336 mm |
| Packaging content | |
| Cables included | AC |
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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)