Zebra

Zebra ZT421 Label Printer 203dpi, 6.6", RFID, Rewinder, Peeler, 12ips

SKU: 

ZT42162-T010000Z

Zebra’s ZT421 industrial barcode printer delivers fast 203 dpi thermal transfer and direct thermal printing for wide-format labels up to 6.6 inches. Built on an all-metal frame with a 4.3-inch color touch display, it combines durable construction, flexible connectivity, and field-upgrade options for demanding industrial environments.
Description
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The Zebra ZT421 Printer Series is a family of midrange industrial label printers designed for high‑volume labeling across manufacturing, warehousing, distribution and retail environments. Combining thermal transfer and direct thermal technologies, the ZT421 models deliver dependable label quality, robust metal construction and intuitive operation via a 4.3‑inch colour touch display. Configurations span resolutions and widths to suit diverse applications — from compact asset tags to wide-format shipping labels — and offer flexible connectivity (USB, Ethernet, Bluetooth, serial and optional Wi‑Fi), optional RFID and media‑handling upgrades such as peelers and rewinders to streamline production and reduce downtime in B2B operations.

Key Features

  • Industrial construction: All‑metal frames and bi‑fold doors with illuminated media paths provide durability and easy access for routine loading and maintenance.
  • Dual print technologies: Supports Thermal Transfer and Direct Thermal operation to handle durable, long‑life or short‑term label applications.
  • Flexible media handling: Options include peeler, full rewinder and large roll support to improve throughput and simplify label workflows.
  • Broad connectivity: Multiple interfaces — USB (including USB Host), RS‑232/Serial, 10/100 Ethernet, Bluetooth and optional Wi‑Fi — enable straightforward integration into existing systems.
  • Operator‑friendly interface: A 4.3‑inch full‑colour touch display and side‑loading with color‑coded guides speed setup and reduce operator errors.
  • Variant versatility: Multiple resolutions, print widths and optional RFID support allow selection of a ZT421 configured to specific industry needs.

Specifications

  • Brand: Zebra
  • Product Family: Zebra ZT421 Printer Series
  • Product Type: Midrange industrial label printer
  • Print Technology: Thermal transfer; Thermal direct
  • Print Resolution: 203 dpi; 300 dpi
  • Maximum Print Speed: 305 mm/s; 12 in/s; 14 in/s
  • Maximum Print Width: 168 mm; 6 in; 6.6 in
  • Maximum Media (Label) Width: 178 mm
  • Maximum Roll Diameter: 203 mm
  • Label Core Size: 3 in
  • Connectivity: USB (including USB Host), RS‑232/Serial, Ethernet (10/100), Bluetooth (various versions), optional Wi‑Fi
  • Printer Emulations: ZPL, ZPLII, EPL, EZPL (varies by model)
  • RAM: 256 MB
  • Flash Memory: 512 MB
  • Display Size: 4.3 in
  • Display Type: Colour touch screen
  • Construction / Frame Material: Metal / All‑metal frame; illuminated media paths (select models)
  • Special Features: Peeler, Rewinder, Real‑time clock (RTC), Print head failure detection, optional RFID (depending on variant)
  • Dimensions (W x H x D): 338 x 425 x 500 mm

Main Features

  • RFID: Yes

  • Rugged: Industrial

  • Print Speed: 12 in/s

  • Equipment Format: Industrial

  • DPI: 203 dpi

  • Connection: RS232, Serial, Ethernet, USB

  • Optional Upgrades: Cutter, Peeler, Liner take-up, Rewinder

  • Max Width: 6 mm

Technical Specifications
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Technical Information
Recommended Use Label Print
Print Color Capability Monochrome
Maximum Mono Print Speed 12.01 in/s
Maximum Print Resolution (dpi) 203
Maximum Print Length 102"
Maximum Print Width 6.60"
Barcode Symbology Supported
  • Code 11
  • Code 39
  • Code 93
  • Code 128-A
  • Code 128-B
  • Code 128-C
  • UCC Case Codes
  • ISBT-128
  • UPC-A/E
  • EAN-8
  • EAN-13
  • EAN 2 or 5 Digit Extension
  • UPC 2 or 5 Digit Extension
  • Plessey
  • Planet Code
  • POSTNET
  • Standard 2 of 5
  • Industrial 2 of 5
  • Interleaved 2 of 5
  • LOGMARS
  • MSI
  • Codabar
  • 2D
  • Codablock
  • PDF417
  • Code 49
  • Data Matrix
  • Maxi Code
  • QR Code
  • TLC 39
  • Micro PDF
  • RSS-14
  • AZTEC
Application/Usage Industrial
Features
  • Auto-calibration
  • Barcoding
  • Bi-color LED
  • Robust
  • Odometer
  • Status Reporting
  • Mirror Printing
Character Size 0.39" x 0.35"
Connectivity Technology Wired & Wireless
Fonts Included
  • A
  • B
  • C
  • D
  • E
  • F
  • G
  • H
  • GS
  • P
  • Q
  • R
  • S
  • T
  • U
  • V
  • Ø
Print Technology Direct Thermal /Thermal Transfer
Memory
Standard Memory 256 MB
Flash Memory 512 MB
Interfaces/Ports
Serial Port Yes
USB Host Yes
USB Yes
Network & Communication
Ethernet Yes
Ethernet Technology Fast Ethernet
Bluetooth Yes
Bluetooth Version 4.1
Display & Graphics
Screen Size 4.3"
Touchscreen Yes
Cutter
Cutter Yes
Cutter Type Tear Bar
Media Types & Handling
Media Type
  • Continuous Paper
  • Die-cut Label
  • Notch
  • Black Mark
  • Film
  • Label
  • Linered Media
  • Roll Paper
Media Sensor
  • Dual Media Sensor
  • Transmissive Media Sensor
  • Reflective Media Sensor
  • Gap Sensor
  • Notch Presence Sensor
  • Black Mark Sensor
Media Thickness 10 mil
Maximum Roll Diameter 8"
Maximum Label Width 7"
Maximum Label Length 39"
Fonts & Emulation
Language Emulation
  • ZPL
  • ZPL II
  • EPL
  • XML
  • EPL2
Power Description
Power Source AC Supply
Frequency
  • 50 Hz
  • 60 Hz
Environmental Conditions
Operating Temperature 41°F (5°C) - 104°F (40°C)
Storage Temperature 40°F (4.4°C) - 140°F (60°C)
Physical Characteristics
Height 12.8"
Width 13.2"
Depth 19.5"
Weight (Approximate) 40 lb
Miscellaneous
Compatibility
  • Mainframe
  • Mini
  • Pc Hosts
Platform Supported PC
Certifications & Standards

cTUVus, CE, FCC, ICES-003(B), VCCI, RCM, NOM, S-Mark, CCC, EAC, BSMI, KCC, SABS, In-Metro, BIS.

Energy Star Yes
Documents
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Product document mod-zt421-zebra-label-printer-datasheet.pdf ZT42162-T010000Z Product document mod-zt421-zebra-label-printer-user-manual.pdf ZT42162-T010000Z Product document zt400-series.pdf MOD-ZT421