Brother RuggedJet RJ4040-K Direct Thermal Printer - Monochrome - Portable - Label Print
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Product Information for Brother RuggedJet RJ4040-K Direct Thermal Printer - Monochrome - Portable - Label Print

Highlights for Brother RuggedJet RJ4040-K Direct Thermal Printer - Monochrome - Portable - Label Print

  • Form Factor:Portable

Marketing Information

The Brother RuggedJet mobile printers are designed to be fast, tough, and more versatile than the competition with print speeds up to 5 ips, fast throughput, IP54 certification, 6 ft. drop protection, and the ability to print receipts or labels with one printer. Our industry leading, "bumper-to-bumper" warranty* covers you against defects or damage for two full years. RuggedJet RJ4040 printers feature USB, serial, and WiFi wireless interfaces, a wide selection of resident and downloadable fonts, support for the major linear and 2D barcodes, optional magnetic card reader, and much more. RuggedJet mobile printers offer a competitive combination of value, ergonomic design, reliability, and ease of use. This one printer can be used for a wide range of receipt and label printing applications in public safety, field service, route accounting, manufacturing and warehouse markets and more.

Battery Information

  • Battery Chemistry: Lithium Ion (Li-Ion)
  • Power Description

  • Input Voltage: 14.4 V DC
  • Power Source: Battery
  • Storage

    Processor & Chipset



  • Operating System Supported: Windows, XP, Windows Vista, Windows 7 (RJ-4030/4040); Windows Server 2003, 2008, 2008R2 (RJ-4040 only); Windows CE 5.0 & higher, Windows Mobile 5.0 & higher, Android 2.2 & higher
  • Technical Information

  • Bar Code Symbology Supported: Code 39
  • Maximum Print Width: 4.09"
  • Recommended Use: Label Print
  • Features: Water Resistant
  • Maximum Print Resolution: 203 dpi
  • Maximum Mono Print Speed: 5 in/s
  • Print Color Capability: Monochrome
  • Warranty

  • Limited Warranty: 2 Year
  • RFID

    Additional Product Specifications

    Battery Information

  • Battery Rechargeable: Yes
  • Battery Included: Yes
  • Interfaces/Ports

  • USB: Yes
  • Serial Port: Yes
  • Cutter

    Display & Graphics

    Fonts & Emulation

  • Language Emulation: ESC/P
  • General Information

  • Product Type: Direct Thermal Printer
  • Manufacturer Part Number: RJ4040-K
  • Manufacturer Website Address:
  • Manufacturer: Brother Industries, Ltd
  • Product Model: RJ4040-K
  • Product Name: RuggedJet RJ4040-K Label Printer
  • Product Line: RuggedJet
  • Brand Name: Brother
  • I/O Expansions

    Media Types & Handling

  • Maximum Roll Diameter: 2.38"
  • Media Type: Label
  • Maximum Label Width: 4"
  • Memory

  • Flash Memory: 16 MB
  • Standard Memory: 32 MB
  • Miscellaneous

    Platform Supported


    Certifications & Standards


    Network & Communication

  • Wireless LAN: Yes
  • Wireless LAN Standard: IEEE 802.11b/g/n
  • Physical Characteristics

  • Weight (Approximate): 0.07 oz
  • Form Factor: Portable
  • Height: 6.9"
  • Width: 6.4"
  • Depth: 3"