Model | RJ4230BL |
Type | Mobile Direct Thermal Printer |
Form Factor | Handheld / Portable |
Print Technology | Direct Thermal |
Color Type | Monochrome |
Maximum Print Resolution | 203 dpi |
Media Types Supported | Receipts, Labels, Tags |
Standard Memory (RAM) | 256 MB |
Internal Storage | 64 MB Flash |
Battery Type | Rechargeable Li-Ion |
Battery Voltage | 14.4V nominal (charger input 15VDC 4.0A) |
Power Requirements | 15V DC, 4.0A |
Warranty | 2-Year Premier Warranty |
Brother RuggedJet RJ4230BL Mobile 4" Direct Thermal Printer



Key Benefits

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- Offers reliable mobile printing with multiple connectivity options including NFC and Bluetooth MFi, ideal for dynamic field operations
- Enhanced productivity with included accessories and long-life Li-Ion battery ensures minimal downtime out of the box
- Backed by a 2-Year Premier Warranty, providing added peace of mind and support for long-term deployments
Product Overview
The Brother RuggedJet RJ4230BL is a compact, durable mobile printer built to deliver efficient and reliable direct thermal printing in challenging work environments. Supporting up to 4-inch print widths, this device is engineered for portability and flexibility with connectivity options that include USB, serial, Bluetooth MFi, and NFC. This robust feature set allows it to seamlessly integrate with Windows, Android, and iOS systems, enhancing field operations across transportation, warehousing, retail, and field service sectors.
With a print resolution of 203 dpi, 256 MB RAM, and 64 MB integrated storage, the RJ4230BL delivers crisp monochrome outputs suitable for receipts, labels, and tags. The lightweight form factor—just 2.68 inches in height—along with support for both Bluetooth MFi and NFC pairing, ensures fast setup and minimal downtime. Included with your purchase are a high-capacity Li-Ion battery, documentation set, media roll holder, and a 2-Year Premier Warranty, which together ensure a worry-free mobile printing experience.
This device is optimized for professionals requiring mobile productivity tools that uphold performance in rugged conditions. Its TAA-non-compliant status and Chinese country of origin may affect some deployment scenarios, but for most enterprise and field uses, the RJ4230BL offers outstanding operational value and seamless integration into mobile workflows.
Specifications
Product Overview
Wireless Features
Bluetooth Version | 4.2 with MFi (Made for iOS) |
Wireless Compatibility | iOS, Android |
NFC Support | Yes |
Compliance & Origin
Country of Origin | China |
TAA Compliant | No |
Certifications | CE, FCC, VCCI, UL, CB |
Environmental Compliance | RoHS |
Advanced Security Features
Bluetooth Security | Simple Secure Pairing (SSP), PIN, MFi Authentication |
Access Control | Limited NFC-based pairing |
Interfaces
USB Interface | Mini USB 2.0 |
Serial Port | RS-232C |
Bluetooth | Bluetooth 4.2 Classic & LE with MFi Support |
NFC | Yes (Tap-to-Pair) |
Interface Types | USB 2.0, Serial, Bluetooth MFi, NFC |
Physical & Environmental
Width | 6.02 in (153 mm) |
Depth | 6.26 in (159 mm) |
Height | 2.68 in (68 mm) |
Weight | Approximately 1.53 lbs (0.7 kg) with battery |
Operating Temperature | -4°F to 122°F (-20°C to 50°C) |
Storage Temperature | -13°F to 158°F (-25°C to 70°C) |
Operating Humidity | 10% to 90% (non-condensing) |
Drop Test Rating | 6.56 ft (2 m) without case |
Ingress Protection Rating | IP54 with optional case |
Cloud Management & Licensing
Mobile OS Compatibility | Android v2.2+, iOS v6.0+ |
PC OS Compatibility | Windows Vista, 7, 8, 10 (32/64-bit) |
SDK Availability | Yes – Brother SDKs for Android, iOS, Windows |