Manufacturer | Brother |
Product Name | Brother TJ4021TN 203dpi Industrial Label Printer with WLAN & USB |
Model | TJ4021TN |
Manufacturer Part Number | TJ4021TNW |
Product Type | Industrial Label Printer |
Print Technology | Thermal Transfer / Direct Thermal |
Print Resolution | 203 dpi |
Maximum Print Speed | 10 ips (inches per second) |
Display Type | Color Touch Panel |
Print Width | 4.09 in (104 mm) |
Media Type | Labels, Tags, Continuous Forms, Black Mark, Fanfold, Die-cut |
Media Sensor | Adjustable reflective and transmissive sensors |
Ribbon Type | Wax, Wax/Resin, Resin |
Ribbon Core Diameter | 1 inch |
Max Ribbon Length | 600 m |
Ribbon Width | 40 mm – 110 mm |
Processor | 32-bit RISC CPU |
Memory | 128MB Flash / 128MB SDRAM |
Power Requirements | 100 - 240V AC, 50/60Hz |
Weight | Approximately 10 kg |
Brother TJ4021TN 203dpi Industrial Label Printer with WLAN & USB


Key Benefits

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- Delivers fast and reliable industrial-grade printing performance at 10ips with 203dpi resolution
- Equipped with versatile connectivity including WLAN and USB, ensuring seamless system integration
- Backed by a 2-year Premier Warranty and TAA compliance, ideal for regulated industries
Product Overview
The Brother TJ4021TNW is a 4.7-inch industrial thermal label printer offering 203 dpi resolution and up to 10 ips print speed. It features a color touch panel and multiple connectivity options such as WLAN, LAN, USB, Host-USB, and Serial. Designed for high-demand settings like logistics and production, its compact design fits well in constrained spaces. The device is TAA compliant and includes a 2-year Premier Warranty, ensuring seamless service and reliability over time.
Specifications
Product Overview
Wireless Features
Wi-Fi Standards | 802.11a/b/g/n |
Security Protocols | WEP, WPA/WPA2-PSK (TKIP/AES), EAP-FAST, PEAP, EAP-TLS, EAP-TTLS |
Wireless Data Encryption | WPA2 Enterprise |
Wireless Frequency | 2.4 GHz / 5 GHz dual band |
Compliance & Origin
Country of Origin | Taiwan |
TAA Compliant | Yes |
Certifications | CE, FCC Class B, UL, cUL, CB |
RoHS Compliant | Yes |
Advanced Security Features
Network Security | 802.1x Authentication, SNMPv3, HTTPS |
Admin Access Control | Password protection for settings and firmware |
Interfaces
USB Interface | USB 2.0 Type B |
USB Host | USB Host Type A (x2) |
Ethernet Interface | 10/100/1000 Mbps LAN |
Serial Interface | RS-232C |
Wireless LAN | IEEE 802.11a/b/g/n with Wi-Fi Direct |
Physical & Environmental
Width | 9.76 in (248 mm) |
Depth | 17.17 in (436 mm) |
Height | 10.79 in (274 mm) |
Operating Temperature | 41°F to 104°F (5°C to 40°C) |
Storage Temperature | -40°F to 140°F (-40°C to 60°C) |
Operating Humidity | 25% to 85% RH (non-condensing) |
Storage Humidity | 10% to 90% RH (non-condensing) |
Enclosure Material | Metal construction |
Cloud Management & Licensing
Cloud Management | Brother b-guard and optional integration with device management tools |
Firmware Updates | Over-the-air (OTA) capable |
Remote SDK/API Support | Available via Brother SDKs |