Zebra ZD421 Healthcare Thermal Printer 203dpi, 4.09in, 6ips, USB/Ethernet/Bluetooth LE, Medical-grade power supply

The Zebra ZD421T-HC Pro is a compact, healthcare-grade thermal transfer label printer engineered for clinical and point-of-care environments that demand clear, durable identification. Designed for bedside stations, laboratories, pharmacies and specimen-processing areas, this model combines a disinfectable housing and sealed controls with cartridge-based thermal transfer printing to produce consistent wristbands, specimen labels and medication tags. With high-contrast 203 x 203 DPI output, fast throughput and broad wired and wireless interfaces, the ZD421T-HC minimizes downtime, supports infection-control cleaning routines and integrates into hospital IT systems to help clinical teams maintain accuracy, traceability and operational efficiency.

Key Features

• Healthcare-ready enclosure: Disinfectable, UV-resistant plastics and sealed buttons enable frequent cleaning and reduce infection-control risk in clinical settings.
• Reliable thermal transfer printing: Cartridge-based thermal transfer delivers durable, long-lasting labels suitable for patient wristbands, specimens and medication labeling.
• High legibility: 203 x 203 DPI resolution provides sharp text and barcode readability to support accurate patient identification and tracking.
• Flexible connectivity: Multiple interfaces including USB, USB Host, Ethernet, Bluetooth (including BLE) and optional 802.11ac Wi‑Fi allow easy integration with clinical workstations and mobile devices.
• Compact, serviceable design: Small desktop footprint with OpenACCESS media handling and status indicators simplifies media changes and routine operation in busy care areas.
• Clinical workflow support: Built-in real time clock, reliable media sensors (black mark and gap) and compatibility with Zebra programming languages help ensure synchronized, accurate label production.

Specifications

• Brand: Zebra
• Product Name: Zebra ZD421T-HC Pro
• Print Technology: Thermal transfer (cartridge)
• Print Resolution: 203 x 203 DPI
• Maximum Print Speed: 152 mm/sec (6 ips)
• Maximum Print Width: 104 mm
• Maximum Label Width: 108 mm
• Maximum Label Length: 0.991 m
• Maximum Roll Diameter: 127 mm
• Media Thickness: 0.08 - 0.19 mm
• Connectivity / Interfaces: USB 2.0, USB Host, Ethernet; optional Serial; 802.11ac Wi‑Fi (variant dependent); Bluetooth 4.1 / Bluetooth 5.0 with BLE
• Bluetooth Version: 5.0
• Bluetooth Low Energy (BLE): Yes
• Wi‑Fi: 802.11ac (variant dependent)
• Display: LCD (built-in)
• Real Time Clock (RTC): Yes
• Sensors: Black mark sensor, Gap sensor (full-width movable reflective & multi-position transmissive options)
• Internal Memory (RAM): 256 MB
• Flash Memory: 512 MB
• Programming Languages: ZPL II, EPL2, XML, ZBI, PDF Direct
• Dimensions (W x D x H): 202 x 254 x 177 mm
• Weight: 2.3 kg
• Operating Temperature: 4.4 - 41 °C
• Storage Temperature: -40 - 60 °C
• Operating Relative Humidity: 10 - 90%
• Storage Relative Humidity: 5 - 95%
• AC Input Voltage: 100 - 240 V
• AC Input Frequency: 50 - 60 Hz
• Power Supply Compliance: IEC 60601-1 (medical-grade where specified)
• Disinfectable Housing: Yes
• USB 2.0 Ports Quantity: 1
• ENERGY STAR Certified: Yes (variant dependent)