Zebra ZD421t 4" Desktop Thermal Transfer Label Printer, 203 dpi, USB/USB Host/Bluetooth
PRODUCT DESCRIPTION
Zebra ZD4A042-30PE00EZ ZD421t 4" Desktop Thermal Transfer Label Printer, 203 dpi
Simple to set up and use
Five-icon status display, OpenACCESS media loading and Link-OS so labels are printing within minutes.
Thermal transfer or direct thermal
Accepts 74 m and 300 m ribbons for durable labels, or prints direct thermal without a ribbon.
Future-ready
Field-installable Ethernet, Wi-Fi, serial, cutter, peeler and battery options let the printer grow with your needs.
Up to 152 mm per second
Fast desktop printing for shipping, retail pricing, healthcare specimen and asset labels.
Zebra ZD421 Datasheet — Technical Specifications
General
| Product Name | Zebra ZD421t 4" Desktop Thermal Transfer Printer |
| Part Number | ZD4A042-30PE00EZ |
| Series | Zebra ZD400 Series |
| Print Method | Thermal transfer (ribbon roll) and direct thermal |
| Power Cords | EU, UK, AUS, JP |
| Weight | 2.05 kg |
| Manufacturer Warranty | 2 years (Zebra standard; varies by region) |
Printing
| Resolution | 203 dpi (8 dots/mm) |
| Maximum Print Width | 104 mm (4.09") |
| Maximum Print Speed | 152 mm/s (6 ips) |
| Label Length | 6.35 mm to 991 mm |
| Memory | 512 MB Flash; 256 MB SDRAM |
| Real Time Clock | Yes |
| Media Sensors | Full-width moveable black mark sensor; multi-position gap sensor |
| Programming Languages | ZPL II, EPL 2, XML, ZBI, PDF Direct; Link-OS |
Media & Ribbon
| Media Width | 15 mm to 112 mm |
| Maximum Roll Size | 127 mm O.D.; 12.7 and 25.4 mm cores standard (38.1/50.8/76.2 mm with adapters) |
| Media Thickness | 0.08 mm to 0.19 mm |
| Media Types | Roll or fan-fold, die-cut or continuous, black mark, tag, receipt paper, wristbands |
| Ribbon | 300 m (1 in. core) or 74 m (0.5 in. core); 33.8 to 109.2 mm wide |
Environmental & Power
| Operating Temperature | 4.4°C to 41°C |
| Operating Humidity | 10% to 90% non-condensing |
| Electrical | Auto-detectable 100–240 VAC, 50–60 Hz; ENERGY STAR certified |
Compatibility & Connectivity
Interfaces on this Model
USB 2.0, USB Host and Bluetooth for pairing with iOS and Android devices via the Zebra Printer Setup Utility app.
Field Upgrades
Ethernet 10/100, dual-band Wi-Fi with Bluetooth, serial RS-232, dispenser/peeler, cutter and 2750 mAh battery base.
Software
ZebraDesigner Essentials, Windows drivers, Zebra Printer Setup Utilities and Zebra DNA management tools.
Package Contents & Zebra ZD421 Ordering Information
In the Box
Printer, empty ribbon take-up cores (0.5 in. and 1 in.), two 300 m ribbon core adapters, AC power supply, power cords, USB cable, Quick Start Guide and Regulatory Guide.
Zebra ZD421 Models at SourceIT
| Model | Key feature |
| ZD4A042-30PE00EZ (this listing) | ZD421t, 203 dpi, USB/USB Host/Bluetooth |
| ZD4A042-30PX02EZ | ZD421t, 203 dpi, Wi-Fi + Bluetooth 5.3, NFC |
| ZD4A043-30PE00EZ | ZD421t, 300 dpi, Ethernet/USB/Bluetooth |
| ZD4A042-C0PM00EZ | ZD421c ribbon cartridge, 203 dpi |
Datasheet & Downloads
| Zebra product page | ZD421 on zebra.com |
| Specification sheet | ZD400 Series spec sheet |
Frequently Asked Questions — Zebra ZD421
Can it print shipping labels from Shopee, Lazada or courier portals?
Yes. It prints 4" (100 mm) wide labels from PDF or ZPL via the Windows driver.
Do I need a ribbon?
Only for thermal transfer labels. With direct thermal labels it prints without a ribbon.
Can I add Wi-Fi later?
Yes. Wi-Fi and Ethernet modules are field-installable.
What warranty do I get?
Zebra warrants the ZD400 Series for a minimum of 2 years from shipment (varies by region). Supplied by SourceIT with a GST invoice.



