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Color Laser Multi-Function Center® with Wireless Networking and Duplex

Discontinued Model
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Professional Color Laser All-in-One for your Small Business or Workgroup

The MFC-9840CDW is the ultimate color laser Multi-Function Center® that offers superior quality color laser printing, faxing, copying and scanning‡ with built-in network connectivity. Delivering the same print speed, copy speed and output quality as the MFC-9440CN, the MFC-9840CDW adds automatic duplex (2-sided input/output) for printing, copying, faxing and scanning‡, a legal-size document glass, up to 50-sheet auto document feeder, as well as an integrated 802.11b/g wireless interface.

Main Features
  • Fast color laser printing and outstanding print quality. Delivers an impressive color and monochrome print speed of up to 21 pages per minute, and copy speeds of up to 17 copies per minute. Produce brilliant, colorful presentations, brochures and documents that will give you a competitive edge.
  • Flexible connectivity. Print, scan or send faxes wirelessly as well as the ability to install the MFC on a wired network or connect locally to a single computer via USB.
  • Advanced duplex capability. Save paper and reduce costs by printing two-sided documents and booklets. Plus, two-sided scanning using the auto document feeder for copying, scanning and faxing‡.
  • Versatile paper handling. A 250-sheet capacity paper tray adjustable for letter or legal paper and a 50-sheet multi-purpose tray for envelopes, labels, letterhead or cardstock.
  • Expandable paper capacity. You can increase your total paper capacity to 800 sheets by adding an optional 500-sheet letter/legal paper tray‡.
  • Legal-size document glass. Ample room for placing larger documents, books, magazines and other materials on the document glass for scanning or copying.
  • High quality color scanning. Use the legal size document glass to scan a single page or the 50-page capacity auto document feeder to scan multiple pages at a time (up to legal size).
  • High-speed faxing. Send and receive faxes quickly in b&w or color using its high-speed 33.6K bps fax modem.
  • Easily accessible USB Direct Interface. Conveniently print PDF or JPEG files from or scan PDF or JPEG files to a USB flash memory drive. You can also print directly from a PictBridge compatible digital camera.
  • High capacity replacement toner cartridges‡. Lower your cost per page and copy, since you won’t have to replace toner cartridges as often.
  • One Year On-Site Limited Warranty. Provides industry leading support right to you.
  • Brother™ iPrint&Scan. Free app download for wireless printing (JPEG, PDF, web page & e-mail) and scanning to your Apple®, Android™ or Windows® Phone 7 (JPEG only) mobile device‡.
Conditions for the MFC-9840CDW
"In-box" Consumables/Yield‡
Approx. toner yield based on 5% page coverage (letter). Drum yields are an approximate rating and may vary by the type of use.
Automatic Document Feeder Capacity (max. pages)‡
Maximum capacity based on using 20 lb paper.
USB Direct Interface/PictBridge‡
PDF and JPEG files via USB flash memory driveSupports the Camera & Imaging Products Association PictBridge standard CIPA DC-001. Visit for more informationUSB 2.0 Standard. USB Mass Storage standard from 16MB to 8GB. Support format: FAT12/FAT16/FAT32
Best Transmission Speed (approx. sec./page)‡
Based on Brother #1 Chart with highest available coding method and standard resolution.
Broadcasting (# of locations)
Black/White only.
Call Waiting/ Caller ID/ Distinctive Ring Ready‡
Check with local phone company for service availability.
Duplex Copying‡
Max. letter size paper for ADF duplex copy.
Duplex Scanning‡
Max. letter size paper for ADF duplex scan.
BR-Script3 is PostScript®3™ compatible
Fax Page Memory (max. pages)‡
Based on Brother #1 Chart with highest available coding method and standard resolution.
Maximum Monthly Duty Cycle‡
Maximum number of printed pages per month and can be used to compare designed durability between like Brother products. For maximum printer life, it is best to choose a printer with a duty cycle that far exceeds your print requirements.
Optional Memory (MB)
Additional purchase required.
Optional Paper Trays (capacity)
Maximum capacity based on using 20 lb. (bond) paper. Additional purchase required.
Quick Scan/Memory Transmission (approx. sec/page)‡
Based on Brother #1 Chart with highest available coding method and standard resolution.
Recommended Monthly Print Volume‡
The recommended range of monthly printed pages to achieve the best possible performance and printer life. Printers are intended to handle occasional usage beyond this range with little or no effect. Consistently printing above the recommended print volume, however, may adversely affect the print quality or life of the machine. It is always best to choose a printer with an appropriate recommended print volume to allow for any anticipated increase in printing needs.
Standard Input Paper Capacity (sheets)‡
Maximum capacity based on using 20 lb (bond) paper.
System Requirements
  MFC-9840CDW Supported PC Software Functions
Computer Platform & Operating System Supported Functions Interface
Windows®4 Windows® 2000 ProfessionalWindows® XP HomeWindows® XP Professional Printing, PC Fax3, Scanning1 USB, Ethernet, Wireless 802.11 b/g
Windows Vista®
Windows® 7
Windows Server® 2003 Printing Ethernet, Wireless 802.11 b/g
Windows® XP Professional x64 Edition Printing, PC Fax3, Scanning1 USB, Ethernet, Wireless 802.11 b/g
Windows Server® 2003 x64 Edition Printing Ethernet, Wireless 802.11 b/g
Mac®2 Mac OS® X 10.2.4 or greater Printing, PC Fax Send3, Scanning USB2, Ethernet, Wireless 802.11 b/g
  MFC-9840CDW Minimum System Requirements
Computer Platform & Operating System Processor Speed Recommended RAM Available Hard Disk Space
Windows® Windows® 2000 ProfessionalWindows® XP Home® >XP Professional Intel® Pentium® or AMD equivalent 256 MB 460 MB
Windows Vista® Intel® Pentium® 464-bit CPU or AMD equivalent 1 GB
Windows® 7 1 GB (32-bit)2 GB (64-bit) 1.18 GB
Windows Server® 2003 Intel® Pentium® III or AMD equivalent 512 MB 50MB
Windows® XP Professional x64 Edition AMD Opteron™, AMD Athlon™ 64, Intel® Xeon® with Intel® EM64T, Intel® Pentium® 4 with Intel® EM64T or equivalent 460MB
Windows Server® 2003 x64 Edition 50MB
Mac®2 Mac OS® X 10.2.4 or greater PowerPC G4/G5, Intel® Core™ Solo/Duo, PowerPC G3 350MHz 160MB 480MB
  1. For WIA, 1200x1200 resolution. Brother Scanner Utility enables to enhance up to 19200 x 19200 dpi.
  2. Third party USB ports are not supported.
  3. PC Fax supports black and white only.
  4. PaperPort™ 11SE supports Microsoft® SP4 or higher for Windows® 2000 and SP2 or higher for XP.
For the latest driver updates, visit Windows Vista® is either a registered trademark or trademark of Microsoft Corporation in the United States and/or other countries. All other trademarks, brand and product names are property of their respective companies.
*Street pricing may vary
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