Online User's Guide (PDF)

Table Of Contents
Technical Information
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Power supply (optional)
Battery Rechargeable Li-ion battery: 7.2 V
Battery yield 5,300 labels (when connected by USB, and using a new, fully charged battery.)
Tested using Brother’s print test data (8.5% coverage 3×1.3 inches) at 73.4°F
(23°C).
Charging time 3 hours (when charging at 73.4°F (23°C) with the printer turned off, and using a
new battery)
Adapter AC adapter (15 V)
Car adapter Cigarette car adapter or Wired type (12 V (DC))
Media specification
Media type Receipt Receipt, die-cut label
Media width 1.0" to 3.15" (25.4 mm to 80 mm)
Gap between labels 0.12" (3 mm) or more
Thickness Receipt: 2.3 mil to 3.5 mil (0.058 mm to 0.090 mm)
Tag: 3.5 mil to 5.3 mil (0.090 mm to 0.135 mm)
Label: 3.2 mil to 6.7 mil (0.080 mm to 0.170 mm)*
* For RJ-3050/3050Ai: With black mark only
Diameter (max) 2.60" (66 mm)
Core diameter (min) Receipt: 0.5" (12.7 mm) Receipt: 0.5" (12.7 mm)
Label: 1" (25.4 mm)
Media sensor Reflective/Bar Transmissive/Gap, Reflective/Bar,
Peeler
Software
Supported printer driver Windows Vista / Windows 7 / Windows 8 / Windows 8.1 /
Windows Server 2008 / Windows Server 2008 R2 /
Windows Server 2012 / Windows Server 2012 R2
Model Name RJ-3050/3050Ai RJ-3150/3150Ai