Product Data Sheet / Brochure

Software
• Zebra Print DNA software –includes a full suite
of applications, utilities and developer tools.
For more information, visit here.
• Zebra Basic Interpreter 2.0 (ZBI) allows
programs to run directly on the printer
• Set-Get-Do commands to set and get printer
configuration details
• ZPL II – Universal language for Zebra printers.
Simplifies label formatting and enables format
compatibility with existing systems that run
Zebra printers.
• EPL2 – Eltron Programming Language
simplifies label formatting and enables format
compatibility with legacy applications
• EPL1 – Line Mode available on direct thermal,
203 dpi model only
• Web View – Connect and control Zebra
barcode printers via the printer’s web interface
using a common Web browser (ZPL mode)
Media Specifications
• Media Width:
- ZD421t - 0.585 - 4.41 in. (15 - 112 mm)
- ZD421c - 0.585 - 4.65 in. (15 - 118 mm)
- ZD421d - 0.585 - 4.25 in. (15 - 108 mm)
• Label Length:
- Minimum 0.25 in. (6.4 mm - tear)
- Minimum 0.5 in. (12.7 mm - with cutter)
- Minimum 0.5 in. (12.7 mm - with peeler)
- Maximum 39 in. (991 mm)
- Core inner diameter:
o Standard - 0.5 in./12.7 mm, 1.0 in./25 mm.
o With optional adaptor kit - 1.5 in./37.1 mm,
2.0 in./50.8 mm, 3 in./76 mm
• Max Roll Outer Diameter: 5.00 in. (127 mm)
• Media Thickness: 0.003 in. (0.08mm) min,
0.0075 in. (0.1905mm) max
• Media Sensing: gap, black line, notch
• Media Type:
- Roll-fed or fan-fold
- Label stock (die cut or continuous, direct
thermal or thermal transfer)
- Tag stock (die cut or continuous, direct
thermal or thermal transfer)
- Receipt paper (continuous, direct thermal)
- Wristband stock (direct thermal or thermal
transfer) (Z-Band 4000)
ZPL Programming Language (ZPL/ZPL II)
• Communicates in printable ASCII characters
• Compatible with mainframe, mini and PC hosts
• Downloadable objects include graphics and bitmap fonts, label templates
and formats
• Automatic memory allocation for format while printing
• Automatic serialization of fields
• Format inversion (white on black)
• Mirror-image printing
• Four position field rotation (0º, 90º, 180º, 270º)
• Slew command
• Programmable label quantities with print, pause
• Status messages to host upon request
Printer Specifications
Resolution
203 dpi resolution
(8 dots/mm)
300 dpi resolution
(12 dots/mm)
Speed inch/Sec -
ips (mm/sec)
Programmable 2, 3,
4, 5 or 6 max. (51, 76,
102, 127 with max. 152)
Programmable 2, 3 or
4 max. (51, 76,
with max. 102)
Dot PItch 0.0049 in. (0.13 mm) 0.0033 in. (0.085 mm)
Min. Print Length One Dot One Dot
Max. Print
Length
39.0 in. (991 mm) 39.0 in. (991 mm)
Min. Print Width One Dot One Dot
Max. Print Width 4.09 in. (104 mm) 4.27 in. (108 mm)
Ribbon Specifications
ZD421 thermal transfer only
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); 244 ft. (74 m)
Cartridge: 243 ft. (74 m)
Ribbon Ratio 4:1 media to ribbon (300 m)
1:1 media to ribbon (74 m)
Ribbon Width Roll: 1.33 in./33.8 mm - 4.3 in./109.2 mm
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
2 Z 
TECHNICAL SPECIFICATIONS
ZD421 PRINTERS