RJ-4230B 4 Direct Thermal Mobile Printr''

The Brother RJ-4230B (SpeedPro Rugged Mobile Printer) is a portable 4-inch direct thermal label and receipt printer engineered for field, retail, logistics and warehouse environments that require reliable on-the-spot printing. Designed around ruggedized construction and practical mobile features, it delivers fast, high‑quality output for labels, receipts and tags while offering versatile connectivity options to integrate with POS, handheld terminals and mobile applications. With a linerless-capable platen, rechargeable Li‑ion power, and industry-standard emulation support, the RJ-4230B helps teams maintain productivity away from fixed workstations by combining durability, compatibility and straightforward operation in a compact mobile package.

Key Features

• Rugged construction: IP54-rated protection, reinforced housing and drop resistance up to 2.1 m support reliable operation in demanding field and warehouse use.
• Fast mobile printing: Up to 127 mm/s (approximately 5–6 ips) print speed for efficient on-site production of receipts, labels and tags.
• Versatile connectivity: Bluetooth (including 4.2), Wi‑Fi, USB and NFC pairing enable flexible wired and wireless integration with mobile devices and POS systems.
• Media flexibility: Supports labels, receipts and tags with maximum media width up to 4 in (104 mm) and a linerless-capable platen for compatible applications.
• Enterprise compatibility: Emulation and command support such as ZPL, CPCL and ZPL II compatibility ease integration into existing printing workflows and systems.
• Portable power and control: Rechargeable Li‑ion smart battery with rapid recharge and a built-in LCD display provide dependable mobile operation and on-device status feedback.

Specifications

• Brand: Brother
• Model: RJ-4230B
• Product Type: Mobile 4" direct thermal printer
• Printing Technology: Direct thermal
• Maximum Media Width: 4 in (104 mm)
• Maximum Print Speed: 127 mm/s (approx. 5–6 ips)
• Maximum Resolution: 203 x 203 dpi
• Supported Media Types: Labels, receipts, tags
• Platen Type: Linerless platen
• Connectivity: Bluetooth (including 4.2), Wi‑Fi, USB 2.0, NFC
• Bluetooth Profiles: SPP, OPP, HCRP, GATT, iAP
• USB Interface: USB 2.0 (Mini-USB Type-B)
• Printer Emulation / Supported Commands: ZPL, CPCL, ZPL II compatible; P-touch Template 2.0, Raster, ESC/P
• RAM Capacity: 256 MB
• Flash Memory: 64 MB
• Built-in Display: LCD
• Ingress Protection Rating: IP54
• Drop Resistance / Survival Height: 2.1 m
• Dimensions (W x D x H): 153 x 68 x 159 mm
• Device Weight (with battery): 850 g
• Battery Technology: Rechargeable Lithium‑Ion smart battery
• Battery Voltage: 7.2 V
• Battery Capacity: 3000 mAh
• Battery Recharge Time: 4 h
• Power Adapter Output: 15 V DC
• AC Input Voltage: 110/220 V
• AC Input Frequency: 50 - 60 Hz