| Product Type | Portable Direct Thermal Printer |
| Model | RJ4040 |
| Print Technology | Direct Thermal |
| Form Factor | Portable |
| Print Speed | 127 mm/sec (5 ips) |
| Max Resolution (B&W) | 203 dpi |
| RAM | 32 MB |
| Battery Type | Rechargeable Lithium-ion |
| Power Source | Battery-powered (Rechargeable) |
| Color | Black |
| Warranty | 2 Years Premier Warranty |
| Emulation Support | RJ4030 Emulation |
BROTHER RuggedJet RJ4040 Portable Direct Thermal Printer, USB/Serial/Wi-Fi
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Regular price
$686.18
Regular price
Sale price
$686.18
Unit price
per
MSRP: $945.00
Shipping calculated at checkout.
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- Direct thermal printing technology — no ink or toner required
- Print speed up to 127mm/sec for efficient output
- 203 dpi maximum resolution for clear labels and receipts
- Interfaces include USB 2.0, RS-232 Serial, and Wi-Fi (inoperable in this model)
- Portable rugged design with lithium-ion battery and 2-year warranty
- Broad compatibility with Windows, iOS, Android, and Windows Server platforms
Shipping & Returns
Shipping & Returns
All our products can be shipped anywhere in the Continental United States.
Key Benefits
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- Enhances field productivity with high-speed mobile printing in rugged conditions.
- Lowers operational expenses with direct thermal print technology—no consumables.
- Backed by a 2-year premier warranty and RJ4030 emulation for smooth integration.
Product Overview
The BROTHER RuggedJet RJ4040 is a portable 4-inch direct thermal printer built for rugged field environments. It supports USB, Serial, and has Wi-Fi hardware (inoperable in this model), and delivers prints at 127mm/sec with a 203 dpi resolution. This printer is compatible with a wide range of operating systems including Windows, Android, and iOS. Designed for mobile professionals, it features 32MB RAM, a durable lithium-ion battery, and comes with a 2-year premier warranty, documentation set, and belt clip. The RJ4040 is also programmed for RJ4030 emulation to ensure easy integration.
Specifications
Product Overview
Wireless Features
| Wi-Fi Standards | 802.11b/g/n (HW available, disabled in this unit) |
Compliance & Origin
| Country of Origin | |
| TAA Compliant | |
| Certifications | cULus, TUV, RCM, CE, FCC, VCCI |
| Compliance Standards | RoHS |
Advanced Security Features
| Password Protection | Yes (network configuration security) |
| Wireless Security Protocols | WEP, WPA-PSK/WPA2-PSK (HW capability only) |
Interfaces
| USB Interface | USB 2.0 (Mini-B type) |
| Serial Interface | RS-232C |
| Wireless Interface | IEEE 802.11b/g/n (hardware included, not operable on this model) |
| Interface Ports | USB, Serial, Wi-Fi (disabled) |
| Interface Connections | USB (Mini), RS-232 Serial, WLAN (non-functional) |
Physical & Environmental
| Width | 6.38 in |
| Depth | 6.93 in |
| Height | 3.03 in |
| Minimum Operating Temperature | -10°C |
| Maximum Operating Temperature | 50°C |
| Drop Protection | Up to 6 ft drop |
| Ingress Protection Rating | IP54 with optional case (not included) |
Cloud Management & Licensing
| Mobile OS Compatibility | Android v2.2 or later, iOS v6.0 or later |
| PC OS Compatibility | Windows 10/8/7/Vista/XP, Windows Server 2008/2012 |
| Software Included | Brother printer drivers, SDKs for Android/iOS/Windows |
