Type | Mobile 4-inch Direct Thermal Printer |
Form Factor | Portable / Rugged Handheld Printer |
Weight | 1.58 lbs. |
Power Requirements | 15VDC 4.0A (PA-AD-600) |
Power Type | External AC Adapter / Li-ion Battery |
Battery Type | Lithium-ion |
RAM | 256 MB |
Print Technology | Direct Thermal |
Print Resolution | 203 dpi |
Monochrome/Color | Monochrome |
Device Warranty | 2-year Premier Limited Warranty |
Brother RuggedJet RJ4230BL Mobile 4" DT Printer with USB, Bluetooth, NFC



Key Benefits

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- Ideal for field professionals needing portable, reliable printing in harsh or mobile environments
- Wide OS compatibility and multiple connectivity options ensure easy system integration
- Comes complete with warranty, battery, and media holder—ready to deploy out of the box
Product Overview
The Brother RuggedJet RJ4230BL is a compact and portable 4-inch direct thermal printer optimized for mobile professionals in logistics, retail, and field service. Featuring multiple wireless and wired connectivity options such as USB, Bluetooth MFi, and NFC, it supports seamless integration across Android, iOS, and Windows platforms. The unit delivers 203 dpi monochrome print resolution and supports printing on a variety of media including receipts, labels, and tags. With a durable design supporting extreme temperature and humidity ranges, it is built for rugged field conditions. The RJ4230BL is powered by an included Li-ion battery with 256MB RAM and supports CPCL and ZPL II protocols for system compatibility. A 2-year Premier Warranty and complete accessory package ensure reliable operation and investment protection over time.
Specifications
Product Overview
Wireless Features
Bluetooth Standard | Bluetooth 2.1 + EDR with Apple MFi support |
Wireless Communication | Bluetooth, NFC |
Compliance & Origin
Country of Origin | China |
TAA Compliant | No |
Advanced Security Features
NFC Authentication | Yes, Supports NFC tap-to-pair for secure device association |
Interfaces
USB Interface | USB Mini-B |
Bluetooth Interface | Bluetooth v2.1 + EDR, MFi Certified |
NFC | Yes |
Serial Interface | Yes (via optional cable) |
Connectivity Technology | Wireless and Wired |
Supported Operating Systems | Windows 10/8/7/Vista, Android v2.2+, iOS v6.0+ |
Printer Languages | CPCL, ZPL II |
Physical & Environmental
Width | 6.02 in |
Depth | 6.26 in |
Height | 2.68 in |
Minimum Operating Temperature | -20°C |
Maximum Operating Temperature | 55°C |
Operating Humidity Range | 10% to 90% non-condensing |
Media Types Supported | Receipts, Labels, Tags |
Media Thickness - Receipt | 2.3 mil to 3.5 mil (0.058 mm to 0.090 mm) |
Media Thickness - Tag | 3.5 mil to 5.3 mil (0.090 mm to 0.135 mm) |
Media Thickness - Label | 3.2 mil to 6.7 mil (0.080 mm to 0.170 mm) |
Cloud Management & Licensing
Mobile Platform Compatibility | Compatible with Android and iOS |
PC Platform Compatibility | Windows (Vista to 10) |
Remote Configuration Support | Yes via SDKs and utilities from Brother |