Spec Sheet
Specifications
Markets and
Applications
Healthcare
• Prescription labels
• Lab and specimen
labels
• Patient ID wristbands
• Blood and IV bag
labels
• Patient record labels
• Asset labels
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 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
2.6 in./66 mm (300 m); 1.34 in./34 mm (74 m)
Ribbon Standard
Length
Roll: 984 ft./300 m; 243 ft./74 m
Cartridge: 243 ft./74 m
Ribbon Ratio 1:4 ribbon to media (300 m)
1:1 ribbon to media (74 m)
Ribbon Width Roll: 1.33 in./33.8 mm — 4.3 in./109.2 mm
Ribbon cartridge: 4.3 in./109.2 mm
Ribbon Core I.D. 300 meter ribbon 1 in./25.4 mm
74 meter 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 Eciency
Level VI certified; optional 2750 mAh battery;
Healthcare models include IEC60601-1 certified
power supply
Options
Media Handling Dispenser/Peeler: label peel and present with label
present sensor (field installable)
Cutter (field installable)
Communications Field installable: Ethernet 10/100, 802.11ac Wi-Fi
and Bluetooth 4.1 (dual radio); Serial RS-232 auto-
sensing, DB-9
Factory installed: Ethernet 10/100, 802.11ac Wi-Fi
and Bluetooth 4.1 (dual radio)
Accessories
Battery Provides power to the printer to support a full shift
of printing at maximum print speed; supports all
connectivity and media handling options
Carrying Case Carrying case with shoulder strap and handles
makes it easy to bring your desktop printer and
battery to the point of application
Keyboard Display Unit Zebra Keyboard Display Unit (ZKDU) for stand-
alone printing solutions
Mounting Plate Secure ZD Series printers to countertops or shelves
Enclosed Power Supply Attached power supply accessory for cord-free
installation
Healthcare Features
• Healthcare preferred white color scheme
• Healthcare-compliant power supply, IEC 60601-1 certified
• Disinfectant-ready, easy-to-clean plastics with sealed button interface
• UV-resistant housing supports UV cleaning protocols
Standard Features
• Print methods: Thermal Transfer or Direct Thermal
• ZPL and EPL programming languages
• 5 status icon, 3 button user interface
• USB 2.0, USB Host
• Printer setup mobile app for Android & iOS via BLE
(Bluetooth Low Energy 5) connection*
* BLE is intended for use with Zebra printer setup mobile app only
• Real Time Clock (RTC)
• OpenACCESS™ for easy media loading
• Dual-wall frame construction
• ENERGY STAR® certified
• ZebraDesigner Essentials – easy label design tool free at
www.zebra.com/zebradesigner
• PDF Direct
• Two-year standard warranty
Physical Characteristics
Dimension 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
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
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 Direct Thermal: 2.98 lbs./1.35 kg
Thermal Transfer Roll: 4.52 lbs./2.05 kg
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; 256MB SDRAM
64 MB user available non-volatile memory
8 MB user available SDRAM
Maximum Print
Width
4.09 in./104 mm for 203 dpi
4.27 in./108 mm for 300 dpi
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
Firmware ZPL II; EPL 2; XML; ZBI; PDF Direct
Media, Ribbon and Cartridge Characteristics
Label Length Maximum: 39.0 in./991 mm
Minimum: 0.25 in./6.4 mm
Media Width Direct Thermal: 0.585 in./15 mm to 4.25 in./108
mm
Thermal Transfer Roll: 0.585 in./15 mm to 4.41 in./
112 mm
Thermal Transfer Cartridge: 0.585 in./15 mm to
4.65 in./118 mm
3
PRODUCT SPEC SHEET
ZD421HC 4INCH DESKTOP PRINTERS