| Model | TJ4121TN |
| Width | 9.76 Inch |
| Depth | 10.79 Inch |
| Height | 17.17 Inch |
| Features | Combines the leading performance, easy integration, best limited warranty, and customer support with some of the lowest costs in the industry; Outstanding features help improve versatility; Wide range of integration solutions; Complete printing solution;Designed for heavy duty use and easy to maintain; Print-and-apply solution; Share media with a mixed deployment of label printers; Shift & Print Subscription Service; Brother QuickDeploy standalone solutions |
| Weight | 9.4 Kg |
Brother TJ-4121TN 4.7" Industrial Label Printer with Cutter, 300dpi, 7ips

Key Benefits
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- Ideal for industrial environments needing high-performance label printing at up to 7 ips
- Broad compatibility with drivers for Windows, macOS, Linux, Android, and iOS streamlines integration across IT environments
- ENERGY STAR 3.0 compliance and 2-year Premier Warranty offer durability, efficiency, and long-term cost savings
Product Overview
The Brother TJ-4121TN is a rugged industrial label printer designed to handle high-volume labeling tasks in sectors such as manufacturing, logistics, and warehousing. Equipped with a robust 300 dpi resolution and capable of printing up to 7 inches per second (420 inches per minute), it delivers crisp, professional-quality barcodes and labels. This model supports both direct thermal and thermal transfer technologies with a built-in cutter and supports media widths from 0.79 to 4.73 inches. Advanced sensing capabilities include ribbon end, gap, and black mark detection.
Its extensive interface options – USB 2.0, serial, LAN, and USB host – combined with a 3.5-inch color touch panel offer easy setup and usability. Extensive language emulation support and 128MB of both RAM and flash memory ensure broad compatibility and robust performance. Compliant with ENERGY STAR 3.0 standards and supporting a wide range of OS environments, the TJ-4121TN is a reliable solution that maximizes productivity and minimizes downtime.
Specifications
Dimensions&Miscellaneous
Media
| Printer Color Type | Monochrome |
| Print Max Resolution ( B&W ) | 300 dpi |
| RAM / Total Installed Size | 128 MB |
| Display Diagonal Size | 4.7 Inch |
| Control Panel | Touch Pad |
Service&Support
| Manufacturer Warranty | 2 Years Premier Warranty |
UNSPSC Code
| UNSPSC Code | 43212108 |
System Requirements
| System Requirement | Windows 10 (32/64bit), Windows 8 (32/64bit), Windows 7 (32/64bit), Windows Vista (32/64bit), Windows Server 2012 R2, Windows Server 2012, Mac OS X 10.10.x or later, Linux Red Hat and Debian |
Printer
| Printer Type | Label Printer |
| Printer Technology | Thermal |
| Printer Interface | USB host; USB; LAN; WLAN |
Power / Battery
| Power / Voltage Required | 100 - 240VAC 50/60Hz |
| Power / Device Type | Power Supply |
Special Feature
| COO | TAIWAN |
| TAA compliance | Yes |
Networking
| Interfaces & Connections | USB, WLAN, LAN, Host-USB |
Green Product Information
| Energy Star Compliant | Y |