Product Type | Industrial Label Printer |
Print Technology | Direct thermal / Thermal transfer |
Monochrome/Color Output | Monochrome |
Print Resolution | 300 x 300 dpi |
Max Print Speed | 7 ips (420 inch/min) |
Maximum Print Width | 4.16 in |
Touchscreen Display | 3.5-inch color touch panel |
Memory (RAM) | 128 MB |
Flash Memory | 128 MB |
Power Requirements | AC 100–240 V, 50/60 Hz |
Built-in Cutter | Yes |
Bundled Software | Bartender UltraLite |
Bundled Warranty | 2 years Premier Limited Warranty |
Weight | 20.72 lbs |
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
Product Overview
Media Handling
Media Types Supported | Continuous labels, die cut labels, tags, fanfold labels, label roll |
Minimum Media Width | 0.79 in |
Maximum Media Width | 4.73 in |
Maximum Print Media Size | Roll (4.7 in) |
Media Sensors | Ribbon end, ribbon encode, transmissive (gap), reflective (black mark) |
Roll Maximum Outer Diameter | 8 in |
Roll Core Diameter | 1 in, 3 in |
Included Media Accessories | 2 x 3" core adapters, ribbon take-up core |
Compliance & Origin
ENERGY STAR Certified | Yes |
ENERGY STAR Version | 3.0 |
Country of Origin | Taiwan |
TAA Compliant | Yes |
Advanced Security Features
Secure Interface Ports | Yes (via configurable network and host interfaces) |
Interfaces
USB | USB 2.0 |
Serial | 1 x RS-232 (DB-9) |
LAN (Ethernet) | 1 x RJ-45 |
USB Host Port | Yes |
Connectivity Technology | Wired |
Networking Features | Built-in print server |
Physical & Environmental
Dimensions (W x D x H) | 9.8 in x 17.2 in x 10.8 in |
Minimum Operating Temperature | 32 °F |
Maximum Operating Temperature | 104 °F |
Operating Humidity Range | 25% – 85% (non-condensing) |
Cloud Management & Licensing
Printer Languages Emulated | ZPL II, EPL2, DPL, FBPL |
Supported Operating Systems | Windows, macOS, Linux, iOS, Android |