Brother RJ-3150 Direct Thermal Mobile POS Printer with 203 x 200 DPI, Colour LCD Display and WiFi/Bluetooth Connectivity

Brother RJ-3150 Direct Thermal Mobile POS Printer

The Brother RJ‑3150 is a compact, high‑performance mobile point‑of‑sale printer designed for businesses that require reliable, on‑the‑go printing solutions. With its direct‑thermal technology and versatile connectivity options, it delivers crisp, professional receipts and labels in a variety of settings.

Key Features

• Printing Technology: Direct thermal – no ink or ribbons needed, ensuring zero maintenance costs.
• Resolution: 203 × 200 dpi for sharp text and detailed graphics.
• Print Speed: Up to 127 mm/s (5 inches per second) – fast enough for busy retail or hospitality environments.
• Media Compatibility: Supports roll widths from 25 mm up to 80 mm, with a maximum media length of 100 cm and a maximum roll diameter of 66 mm.
• Display: 3.3‑inch colour LCD (8.38 cm) for intuitive operation and status monitoring.
• Connectivity: Bluetooth 2.1+EDR, Wi‑Fi (IEEE 802.11b/g/n), USB 1.1/2.0, and a USB host port for direct device connections.
• Battery: Rechargeable lithium‑ion (Li‑Ion) with AC power support – flexible use in indoor or outdoor scenarios.
• Barcode Support: Built‑in scanner capable of reading GS1 DataBar Expanded, CODABAR, Code 128, Code 39, EAN‑13/8, QR Code, PDF417, and many more formats.
• Software: Comes with a comprehensive SDK for custom application development, supporting ESC/P, ZPL II, and CPCL command sets.

Design & Build Quality

The RJ‑3150’s rugged chassis measures 189 mm in height, 82 mm in depth, and 116 mm in width, weighing only 680 g. Its IP54 rating protects against dust ingress and splashing water, making it suitable for outdoor use or environments with high humidity (10–90%). The device operates comfortably between –10 °C and +50 °C, ensuring reliability across a wide range of climates.

Operating System Compatibility

The printer is fully compatible with Windows 7/8/10, Windows Server 2003/2008 (32‑bit & 64‑bit), and Vista. The SDK allows developers to integrate the device into custom POS software or mobile applications on these platforms.

Connectivity Details

The RJ‑3150 offers multiple wireless options:

• Wi‑Fi Direct: Enables peer‑to‑peer connections without a router, ideal for quick setup in temporary locations.
• Standard Wi‑Fi: Supports IEEE 802.11b/g/n for networked printing across an office or store floor.
• Bluetooth Profiles: OPP and SPP allow seamless pairing with smartphones, tablets, and laptops.

Additionally, the USB host port allows direct connection to peripheral devices such as barcode scanners or mobile phones for data transfer.

Power Management

The printer can be powered by an external AC adapter or its built‑in rechargeable battery. The lithium‑ion battery provides extended runtime, while the AC input ensures continuous operation during high‑volume printing sessions.

Display & User Interface

The 3.3‑inch colour LCD offers clear visibility of printer status, error messages, and configuration settings. LED indicators provide quick visual feedback for connectivity, battery level, and print readiness.

Software Development Kit (SDK)

Included SDKs enable developers to create custom printing applications tailored to specific business needs. The SDK supports multiple programming languages and includes sample code for ESC/P, ZPL II, and CPCL command sets.

Typical Use Cases

• Retail: Point‑of‑sale receipts, price tags, and promotional labels.
• Hospitality: Order tickets, kitchen prints, and guest room keys.
• Healthcare: Patient wristbands, lab test labels, and medication records.
• Logistics: Shipping labels, barcode stickers, and inventory tags.

Conclusion

The Brother RJ‑3150 combines portability, durability, and versatile connectivity to meet the demanding needs of modern businesses. Its direct‑thermal printing, high resolution, and extensive media support make it an ideal choice for any environment that requires reliable, on‑the‑go label or receipt printing.