ZEBRA ZD421 Thermal Barcode Label Printer 300dpi LAN USB - 63,515 IN / LINES 

Technical Specifications

• General Specifications

• Printing methods: Direct Thermal and Thermal Transfer (depending on model)

• Printer languages / emulations: ZPL II, EPL2, XML, ZBI, PDF Direct

• Maximum print speed: 6 inches per second (≈ 152 mm/s) at 203 dpi

• Optional resolution: 300 dpi model (≈ 4 inches per second)

• Memory: 512 MB Flash, 256 MB SDRAM

• Operating system: Link-OS

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  Physical / Environmental

• Dimensions (Direct Thermal): approx. 220.8 × 177.5 × 150.7 mm (8.69 × 6.98 × 5.93 in)

• Weight (Direct Thermal): approx. 1.35 kg (2.98 lb)

• Thermal Transfer models: slightly larger and heavier (up to ≈ 2.05 kg / 4.5 lb)

• Operating temperature: 4 °C to 41 °C (40 °F to 105 °F)

• Storage temperature: –40 °C to 60 °C (–40 °F to 140 °F)

• Operating humidity: 10% to 90% non-condensing

• Energy certification: ENERGY STAR certified, efficiency level VI

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  Media / Ribbon / Sensors

• Maximum print width: 104 mm (4.09 in) at 203 dpi / 108 mm (4.27 in) at 300 dpi

• Media width range: approximately 15 mm to 108 mm (0.585 in to 4.25 in)

• Label length: min 6.4 mm (0.25 in) / max 991 mm (39 in)

• Maximum media roll diameter: 127 mm (5 in)

• Media thickness: 0.08 mm to 0.19 mm (0.003 in to 0.0075 in)

• Ribbon support (for TT models): standard 74 m or 300 m rolls or smart cartridge system

• Sensors: moveable black-mark (reflective) and transmissive (gap) sensors

• Supported media types: die-cut labels, continuous rolls, tags, wristbands, fan-fold labels

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  Connectivity / Interfaces

• Standard interfaces: USB 2.0 device, USB host

• Optional (field-installable): 10/100 Ethernet, RS-232 (serial DB-9), Wi-Fi (802.11ac), Bluetooth 4.1 + BLE

• NFC (Print Touch): for tap-to-pair and quick configuration

• Wireless notes: BLE for setup; Wi-Fi/Bluetooth Classic for full printing