Mobile thermal printer with Wi-Fi and AirPrint


Robust mobile printing for up to 102mm labels, tags, and receipts, with wireless connectivity.

With ultimate durability for demanding work environments, RuggedJet RJ-4040 mobile printers quickly and reliably print up to 104mm labels, receipts, quotes, and invoices on the go. Wi-Fi connectivity provides added convenience for all your mobile workforce needs.


SKU: 4977766711739 Category:


The new RJ Series was designed to include new innovative features into the product to help achieve emerging application requirements. A comprehensive accessory line up together with a 51mm to 104mm print capability on labels and receipts extends the capability of the RJ series enabling it to fulfil a number of requirements across a range of vertical markets. The compact, ergonomic and lightweight design of the RJ series allows the printer to fit in places where space is limited, and accessories are available for in-vehicle mounting or carrying in the field.

RJ-4040 Side View

What’s in the Box?

The RJ-4040 RuggedJet Mobile Printer ships with the following:

  • Rechargeable Li-ion battery (in the machine)
  • AC Adapter
  • USB Cable
  • Shoulder Strap
  • Belt Clip
  • Quick Set up Guide
  • CD-ROM (printer driver and user manual)
  • Barcode & Label Design Software
RJ-4040 Video Image

Key Features

  • Up to 127mm per second print speed
  • Up to 203dpi resolution
  • IP54 Certification for dust and moisture
  • 1.8m Drop protection
  • Prints from 51mm to 104mm wide from convenient drop-in rolls
  • Resident fonts included
  • USB 2.0, Serial and Wi-Fi interfaces
  • Windows and Android compatibility
  • Optional magnetic card reader available
  • Optional accessories: extra batteries, shoulder strap, belt clip, vehicle mount, in-vehicle DC adapter, 4-bay battery charger

Accessorise your RuggedJet

Lightweight RuggedJet mobile printers can be powered by a rechargeable Li-ion battery, an AC Adapter or a DC Vehicle Adapter. And they can be comfortably carried on optional shoulder straps or belt clips, or mounted in virtually all kinds of vehicles, from service vans and cars or even motorcycles.

Card Reader
4-Bay Battery Charger
Soft Case
Vehicle Mount
3 Year Carry-in Warranty Logo

Peace of Mind. Guaranteed.

When you purchase a Brother mobile printer and our genuine consumables and accessories, we’ll support you every step of the way with our FREE 3-year warranty commitment. YOU DO NOT NEED TO REGISTER YOUR PRODUCT, our warranty is automatic when you purchase your Brother device. To keep your Brother machine running in optimal condition we recommend using only Brother Genuine Consumables, this will ensure you automatically enjoy our exclusive 3-year warranty.

Additional information



32 MB

Printer Interface

, ,


Three buttons, 4 LEDs

Web Connect & Wi-Fi Direct


Print Speed (Mono/colour)

Print Resolution


Printable Width

Maximum 104mm

Print Length

Maximum 3m

Roll Width (Max/Min)

118mm / 51mm

Max Roll Diameter


Paper Input: Standard Tray

Drop in rolls

Media Sizes

51mm – 102mm wide

Media Type

Coated, Uncoated, Labels, Continuous

Drop Protection



162mm x 176mm x 77mm


610g (excludes paper and battery), 850g with battery


Rechargeable Li-ion Battery, 500 Charge Cycles

Pages per Battery Charge

Up to 2000 labels

Battery Charging Time

6 Hours

AC Adapter

AC Adapter 15 V (optional accessory)

Car Adapter

DC Vehicle Adapter (optional accessory)


P-touch® Editor 5.0, P-touch® Transfer Manager 2.1, BRAdmin Light, BRAdmin Pro, Network setting tool


Linear: CODE 39, Intlv 2 of 5, EAN-8, EAN-13, UPC-A, UPC-E, UPC and EAN 2 or 5 digit extensions, CODABAR, CODE 128, GS1-128 (UCC/EAN 128), Postnet, GS1 Databar (RSS14, RSS14 Stacked, RSS14 Truncation, RSS14 Stacked Omnidirection), GS1 Databar (RSS Limited), GS1 Databar (RSS Expanded, RSS Expanded Stacked)
2-Dimensional: QR Code (model 1, model 2, micro QR), Maxi code, PDF417 (Standard, Truncate), MicroPDF417, Data Matrix (Square, Rectangular)

Operating System

Windows® XP, Windows Vista®, Windows® 7 (RJ-4030/4040); Windows® Server 2003, 2008, 2008R2 (RJ-4040 only)

Carton Contents

Rechargeable Li-ion Battery (in the machine), USB Cable, Quick Set up Guide, CD-ROM (Printer Driver and User Guide)

Optional Accessories

Rechargeable Li-ion Battery, Shoulder Strap, Protective Case, Vehicle Mount, 4-Bay Battery Charger, DC Vehicle Adapter, AC Adapter, Serial Cable, Magnetic Card Reader


Brother offers a wide variety of genuine Brother media for RuggedJet 4 mobile printers, including uncoated, coated, and weatherproof receipt paper, in addition to label media. All media for these printers is on convenient drop-in rolls to make changing supplies easy and fast.




Receipt Paper (4″ wide)

  • Standard (Uncoated) Receipt Paper
  • Premium (Top-coated) Receipt Paper
  • Weatherproof Receipt Paper

RJ-4040 Receipt Paper










Label Rolls (die-cut media)

  • 4″x1″ Labels
  • 4″x2″ Labels
  • 4″x3″ Labels
  • 4″x4″ Labels
  • 4″x6″ Labels

RJ-4040 Label Roll








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Support & Downloads

At Brother, we are always at your side when it comes to supporting our products.  Click on the product link below to visit the Brother Solutions Center where you will find the latest drivers and software as well as product manuals, user guides, troubleshooting support, Frequently Asked Questions, consumable and accessory information and product specifications.

The Brother Support Centre can also be accessed via a FREE app, more info here.