The Zebra ZD421 printer features intuitive interface, easy media handling, and field-upgradeable wireless, with versatile thermal options.
Standard Features
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Physical Characteristics
Dimensions | ZD411 Direct Thermal: 8.6 in. L x 4.5 in. W x 6.0 in. H 220 mm L x 115 mm W x 151 mm H ZD411 Thermal Transfer: 9.56 in. L x 5.46 in. W x 6.66 in. H 242.9 mm L x 138.7 mm W x 169.2 mm H ZD421 Direct Thermal: 8.69 in. L x 6.98 in. W x 5.93 in. H 220.8 mm L x 177.5 mm W x 150.7 mm H ZD421 Thermal Transfer Roll: 10.5 in. L x 8.0 in. W x 7.44 in. H 267 mm L x 202 mm W x 189 mm H ZD421 Thermal Transfer Cartridge: 10.0 in. L x 8.0 in. W x 7.0 in. H 254 mm L x 202 mm W x 177 mm H |
Weight | ZD411 Direct Thermal: 2.2 lb./1.0 kg ZD411 Thermal Transfer: 3.59 lb./1.629 kg ZD421 Direct Thermal: 2.98 lbs./1.35 kg ZD421 Thermal Transfer Roll: 4.52 lbs./2.05 kg ZD421 Thermal Transfer Cartridge: 5.0 lbs./2.3 kg |
Printer Specifications
Operating System | Link-OS |
Resolution | 203 dpi/8 dots per mm 300 dpi/12 dots per mm (optional) |
Memory | 512 MB Flash; 256 MB SDRAM |
Maximum Print Width | ZD411: 2.2 in./56 mm for 203 dpi 2.13 in./54 mm for 300 dpi ZD421: 4.09 in./104 mm for 203 dpi 4.16 in./106 mm for 300 dpi ZD421 Thermal Transfer Cartridge: 4.09 in./104 mm for 203 and 300 dpi |
Maximum Print Speed | 6 in./152 mm per second (203 dpi) 4 in./102 mm per second (300 dpi) |
Media Sensors | Full width, moveable reflective/black mark sensor; multi-position transmissive/gap sensor |
Programming Languages | ZPL II; EPL 2; XML; ZBI; PDF Direct |
Media and Ribbon Characteristics
Label Length | Minimum: 0.25 in./6.35 mm Maximum: 39.0 in./991 mm |
Media Width | ZD411: 0.585 in./15 mm to 2.36 in./60 mm ZD421 Direct Thermal: 0.585 in./15 mm to 4.25 in./108 mm ZD421 Thermal Transfer Roll: 0.585 in./15 mm to 4.41 in./112 mm ZD421 Thermal Transfer Cartridge: 0.585 in./15 mm to 4.65 in./118 mm |
Media Roll Size | Maximum outer diameter: 5.00 in./127 mm Core inner diameter: 0.5 in./12.7 mm and 1.0 in./25.4 mm standard, 1.5 in./38.1, 2.0 in./50.8 mm and 3.0 in./76.2 mm using optional adapters |
Media Thickness | ZD411: 0.0024 in./0.06 mm min; 0.0075 in./0.1905 mm max. (tear-off mode only) ZD421: 0.003 in. (0.08 mm) min.; 0.0075 in. (0.19 mm) max. |
Media Types | Roll-fed or fan-fold, die cut or continuous with or without black mark, tag stock, continuous receipt paper, and wristbands |
Ribbon Outside Diameter | ZD411: 1.34 in./34 mm (74 m) ZD421: 2.6 in./66 mm (300 m); 1.34 in./34 mm (74 m) |
Ribbon Standard Length | ZD411: 243 ft./74 m ZD421 Roll: 984 ft. /300 m; 243 ft. /74 m ZD421 Cartridge: 243 ft. /74 m |
Ribbon Ratio | 1:4 ribbon to media (300 m) 1:1 ribbon to media (74 m) |
Ribbon Width | ZD411: 1.3 in./33 mm–2.24 in./58 mm ZD421 Roll: 1.33 in./33.8 mm–4.3 in./109.2 mm ZD421 Cartridge: 4.3 in./109.2 mm |
Ribbon Core I.D. | 300 m ribbon 1 in./25.4 mm 74 m ribbon 0.5 in./12.7 mm |
Operating Characteristics
Operating Temp. | 40° to 105° F/4.4° to 41° C |
Storage Temp. | -40° to 140° F/-40° to 60° C |
Operating Humidity | 10% to 90% non-condensing |
Storage Humidity | 5% to 95% non-condensing |
Electrical | Auto-detectable (PFC Compliant) 100-240VAC, 50-60Hz; ENERGY STAR certified; Energy Efficiency Level VI certified; optional 2750 mAh battery; Healthcare models include IEC60601-1 certified power supply |
Options and Accessories
Healthcare | Our healthcare models have a white color scheme, healthcare-compliant power supply, disinfectant-ready, easy-to-clean plastics, a sealed button interface, and UV-resistant housing |
Media Handling | Dispenser/Peeler: label peel and present with label present sensor (field installable) Cutter (field installable) |
Communications | Factory installed: Ethernet 10/100, dual radio Wi-Fi 5 (802.11ac) and Bluetooth 4.1; dual radio Wi-Fi 6 (802.11ax) and Bluetooth 5.3 (MIMO) Field installable: Ethernet 10/100, dual radio Wi-Fi 5 (802.11ac) and Bluetooth 4.1; dual radio Wi-Fi 6 (802.11ax) and Bluetooth 5.3 (SISO); Serial RS-232 auto-sensing |
Battery | Provides power to the printer to support a full shift of printing at maximum print speed; supports all media handling options |
Carrying Case1 | Carrying case with shoulder strap and handles makes it easy to bring your desktop printer and battery to the point of application |
Enclosed Power Supply | Attached power supply accessory for cord-free installation of the ZD421 |
Keyboard Display Unit | ZKDU keyboard display unit for stand-alone printing solution |
Mounting Adapter Bracket | Enables printer to be mounted in same location as previous models including GK420 and LP/TLP2824 |
Fonts/Graphics/Symbologies
Barcode Ratios | 2:1 and 3:1 |
1D Barcodes | Code 11, Code 39, Code 93, Code 128, ISBT-128, UPC-A, UPC-E, EAN-8, EAN-13, UPC and EAN 2-or 5-digit extensions, Plessey, Postnet, Standard 2-of-5, Industrial 2-of-5, Interleaved 2-of-5, Logmars, MSI, Codabar and Planet Code |
2D Barcodes | Codablock, PDF417, Code 49, DataMatrix, MaxiCode, QR Code, MicroPDF, Aztec |
Fonts and Graphics | 16 resident expandable ZPL II bitmap fonts, two resident scalable ZPL fonts, five resident expandable EPL2 fonts, native open-type font support, Unicode compliant. China units include SimSun simplified Chinese font 64 MB user available non-volatile memory, 8 MB user available SDRAM |
Printers Supplies
For industry-leading quality, service and thermal printing expertise, choose Zebra Certified Supplies to ensure consistent, optimized performance for your Zebra printer. |
Regulatory
IEC 60950-1, IEC 62368-1, EN55022 Class B, EN55024, EN55035, EN61000-3-2, EN61000-3-3, FCC Class B, ICES-003, FCC 15.209; 15.247(d), IC RSS 247, EN 300 328, EN 301 893, EN 62311, cTUVus CE Marking, VCCI, C-Tick, S-Mark, CCC, CU, BSMI, KCC, SABS, IN-Metro, BIS, NOM |
Environmental Compliance
Environment For a complete list of product and materials compliance, please visit: |
Zebra DNA for Printers
Durable printers are essential, but it’s the software inside that will keep them in action. Zebra DNA tools and applications for printers give you the ability to optimize printer performance over the entire lifecycle, even as your business needs evolve. For more information, please visit |
Included In The Box
Printer, empty ribbon take-up core (0.5 in., thermal transfer models only) AC power supply, power cord(s), USB cable, Quick Start Guide, Regulatory Guide ZD421 Thermal Transfer includes (2) 300 m ribbon core adapters for non-Zebra ribbon and additional empty ribbon take-up core (1 in.) |
Recommended Services
Zebra OneCare maintenance plans provide peak performance and device uptime while protecting your critical operations and your printers with defined service levels. For more information go to www.zebra.com/zebraonecare |
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Zebra OneCare Select | Comprehensive Coverage, including printheads, normal wear and accidental breakage Priority access 24x7 live technical support and software updates Advance Replacement and Express Shipping (Next Day Device Replacement) Standard Commissioning Online Return Material Authorization (RMA) support |
Zebra OneCare Essential | Comprehensive Coverage, including printheads, normal wear and accidental breakage Priority access 8x5 live technical support and software updates Three-day depot repair turnaround time plus free return ground shipping Online Return Material Authorization (RMA) support |
Note: Service availability may vary by region. |
Product Warranty
ZD400 Series printers are warranted against defects in workmanship and materials for a minimum period of 2 (two) years from the date of shipment. Warranty varies by region. For complete warranty details, please visit |
Footnotes
1. For ZD421 only. Does not fit when cutter or peeler attached. |