Error: Generic Text label 'Added to basket' not set for language 'et-EE' (Site: 'MAIN-Nordics').


Rugged 4 inch portable printer with WiFi

Compatible with

The RJ-4040 enables field based workers to print 4" sized high quality documents and labels wirelessley from mobile devices.

Key Features

  • Compact & robust - the perfect printing tool for the field
  • Up to 203dpi resolution
  • USB, Serial & WIFI connectivity
  • Two Year Back to Base Warranty


RJ-4040 Rugged 4 inch portable printer with WiFi

"The RJ-4040 enables field based workers to print 4"" sized high quality documents and labels in tough conditions. Fast, light and tough, this portable printer is easy to use and ideal for printing customer invoices, on-the-spot notices or fines, shipping labels and statements of work.
As well as featuring a compact robust design, the printer is packed with features. Offering a fast print speed of 5ips/127mm per second, the machine also offers a wide range of connectivity options including USB, serial and wireless.
With direct thermal technology there is no ink or toner required, the printer is perfect for workers on the go. The machine comes with IP54 certification (an ingress protection rating, which offers protection against dust and water sprayed from all directions), has undergone 6"" drop tests and weighs just 850g, ensuring employees aren't struggling with bulky kit."

Specification Details

Features and Specifications

Usage type On body
Flash RAM 16 MB
Memory size 32 MB
Serial Standard
USB interface Standard
Wirelesss network interface Standard
Dimensions 6.38" x 6.93" x 3.03" (162mm x 176mm x 77mm)
Weight 0.610 kg
Belt clip Yes
Others Printer driver and user manual
Software Barcode & Label Design Software
Software disc CD-ROM
Quick setup guide Yes
Windows Windows 7, Windows Vista, Windows XP
Emulations ZPL II®‎ Compatible
Maximum print length 3000 mm
Maximum print width 104 mm
Resolution (dpi) 203
Standard print speed 127 mm per second
Supported commands P-Touch Template 2.0, Raster, ESC/P
SDK (Software Development Kit) Yes
Li-ion battery 14.4V
Roll widths 118mm
Rolls 58mm

Supplies and Accessories

Related Accessories

Related Supplies


woman sat at a desk on a laptop

Downloads & Drivers

Download and install the latest drivers and software for your Brother products.

View Downloads
man and a woman sat a desk on a laptop


Find the answers to our most frequently asked questions and troubleshooting here.

View FAQs
man sat on a sofa working on a tablet

Manuals & Guides

Download the latest manuals and user guides for your Brother products

View Manuals