Brother TJ4121TN industrial label printer transparent background - front
Brother TJ4121TN industrial label printer transparent background - left
Brother TJ4121TN industrial label printer transparent background - right
Brother TJ-4021TN barcode label print out

Brother TJ-4121TN Industrial Label Printer

4" industrial thermal label printer with touch panel display and print width up to 105.7mm

Product Details

  • Print speeds of up to 7ips with 300dpi resolution
  • Touch panel display designed for first-class user experience
  • Print width of up to 105.7mm
  • FBPL-EZD (EPL2, ZPL2, DPL) printer command languages supported
  • High capacity 450m thermal transfer ribbon means fewer consumable changes
  • Connect easily with USB, USB Host, Serial, Ethernet and WiFi (optional)
Brother TJ4121TN industrial label printer transparent background - front

Product Overview

Print labels with ease, even in the toughest production environments, with the Brother TJ-4121TN industrial label printer. 

The high-volume thermal label printer delivers efficient labelling solutions with performance you can rely on. With ZPL2 emulation compatability, high ribbon capacity and a first-class user experience, this durable industrial printer is built for you, and built to last.



Technology Thermal transfer/Direct thermal
Buttons Power, Feed
Display 3,5-inch colour touch display
LED Power, Status, Error
Memory capacity RAM, FLASH, 128MB, 128MB


Serial Yes
USB interface USB 2,0 Full Speed, USB Host
Wired network interface 10/100 Mbps

Dimensions and weights

Dimensions 248mm (W) x 436mm (D) x 274mm (H)
Weight 9.4

In the box

In the box Quick Setup Guide (QSG), Printer, AC Power supply cord, USB Cable

Operating systems & software

Supported Operating Systems Windows (Windows 8,1, Windows 10, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019, Windows 11), Mac (10,11 or higher ), iOS (9 or higher), Android (5 or higher ), For the full list of compatible operating systems visit support,brother,com, Linux


Maximum Print Length 11430mm
Maximum Print Speed 7 ips
Resolution 300 x 300dpi
Supported commands FBPL-EZD (EPL2, ZPL2, DPL)


Maximum Print Speed 7 ips
One Dimensional Barcode Symbology Code128, Interleaved 2 of 5, Code39, EAN13(JAN13), EAN8(JAN8), UPC-A, UPC-E, CODABAR(NW7), MSI, China post, ITF14, Code11, TELEPEN, TELEPEN number, Deutsche Post Identcode, Deutsche Post Leitcode, LOGMARS, PLESSEY, POSTNET, MSI/Plessey, Industrial 2-of-5, Standard 2-of-5, EAN14
Printing Maximum Media Width 120mm
Maximum Print Lenght 11430mm
Printing Maximum Print Speed 7 ips
Resolution (dpi) 300 x 300dpi
Two Dimensional Barcode Symbology GS1 Databar Composite, MaxiCode, Aztec, PDF417, QR Code, Micro QR Code, CODABLOCK F mode, TLC39
Inner Paper Core Ribbon Length 1 paper core: Max OD 81.3mm
Printing Maximum Ribbon Width 110mm
Printing Maximum Roll Core Diameter 76,2mm
Printing Maximum Roll Diameter 203mm
Printing Minimum Ribbon Width 40mm
Printing Minimum Roll Core Diameter 25,4mm
Supported commands FBPL-EZD (EPL2, ZPL2, DPL)


SDK (Software Development Kit) Yes

More about this product


First-class user experience

Offering a touch panel display for instant feedback, the TJ-4121TN has been designed with the user in mind. Make life easy for your workers by troubleshooting issues in just a couple of taps.


High quality thermal printing

The TJ-4121TN industrial barcode label printer offers 300 dpi resolution for easy-to-read text and barcodes, time after time. With high quality product, packing and shipping labels, it is easy to maintain compliance throughout the supply chain.


Integrate with ease

With the Brother TJ series, there is no need to worry about integration.

Our industrial printers support various printer command languages, including ZPL2 emulation, making printer replacements as easy as possible - with minimal disruption. 


In-built durability

The TJ industrial printer series offers performance you can rely on, even in the toughest production environments. The reliable thermal barcode printer has been built with you in mind and built to last, ensuring you enjoy years of hassle-free label printing.

Connectivity as standard

USB, USB Host, Serial and Ethernet are included as standard for the industrial printers. An optional WLAN interface for WiFi connectivity is also available as an accessory to meet your requirements.