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Color Laser Multi-Function Center®

Discontinued Model
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The MFC-9420CN offers the convenience of having both color and b&w laser printing, copying, faxing and scanning in just one product! It’s the perfect solution for your small-to-medium or large business for everyone in the office to use. With its built-in networking, multiple users can share it for printing, scanning and PC Fax† as well as walk-up copying and faxing anytime!

Main Features
  • Fast, high-quality laser printing and copying. Offers print and copy speeds of up to 31 pages per minute monochrome and 8 pages per minute color.
  • Crisp, professional color laser printing. Print your own presentation or brochures in color at up to 2400x600 dpi for your important meeting without the extra cost of outsourcing the printing.
  • Network connectivity. With its standard Ethernet interface‡, it’s ready to install on a network right out of the box for printing, scanning and PC Fax.
  • High-yield replacement toner cartridges‡. Lowers your cost per copy and you don’t have to replace the toner often.
  • Large, expandable paper capacity. Features a 250-sheet paper tray adjustable for letter or legal size paper. You can also increase your total paper capacity to 780 sheets by adding the optional 530-sheet letter-size second paper tray‡.
  • High-speed fax modem. Its 33.6K bps fax modem provides quick fax transmission in color or b&w.
  • PCL6 and BR-Script 3 emulations‡. It can handle all of your printing, including documents with a variety of fonts and graphics.
  • 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-9420CN
"In-box" Consumables/Yield‡
Approx. toner yield based on letter paper size at 5% page coverage.
Automatic Document Feeder Capacity (max. pages)‡
Maximum capacity based on using 20 lb (bond) paper.
Distinctive Ring Detection Ready‡
Check with local phone company for service availability.
Best Transmission Speed (approx. sec./page)‡
Based on Brother #1 chart with highest available coding method and standard resolution.
Caller ID Ready‡
Check with local phone company for service availability.
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 Interface(s)
Additional purchase required.
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)‡
Using Brother #1 Chart at standard resolution and highest compression mode.
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.
Standard Interface(s)
Cable(s) not included.
Windows Vista® is a registered trademark of Microsoft Corporation in the United States and/or other countries. All other trademarks are property of their respective owners.
System Requirements
  MFC-9420CN Supported PC Software Functions
Computer Platform & Operating System Software Functions PC Interface
Windows® Operating Systems 98, 98SE Printing, Scanning7, PC Fax2,4 USB, Parallel, Ethernet
Me USB, Parallel, Ethernet
NT® Workstation 4.0 Parallel, Ethernet
2000 Professional USB, Parallel, Ethernet
XP Home XP Professional USB, Parallel, Ethernet
XP Professional x64 Edition5 USB, Parallel, Ethernet
Windows Vista  Printing, PC Fax4, Scanning7 USB, Parallel, Ethernet
Macintosh® Operating Systems OS 9.1-9.2 Printing, Scanning1,3, PC Fax Send4 USB6, Ethernet
OS X 10.2.4 or greater Printing, Scanning, PC Fax Send4 USB6, Ethernet
1. Network Scanning not supported in Windows NT® Workstation 4.0 and Mac OS® 9.1-9.2. 2. PC Fax send only for network users. 3. Dedicated "Scan to" key not available for MacOS® 9.1-9.2. 4. PC Fax supports black & white faxing only. 5. Download from 6. Third party USB ports are not supported. 7. Maximum 1200 x 1200 dpi scanning with Windows® XP and Windows Vista (resolutions up to 9600x9600 dpi can be selected using the Brother Scanner Utility).
  MFC-9420CN Minimum System Requirements
Computer Platform & Operating System Minimum Processor Speed Minimum RAM Recommended RAM Hard Disk Space (For Drivers) Hard Disk Space (For Applications)
Windows® Operating Systems 98, 98SE Intel® Pentium® II or equivalent 32MB 128MB 90MB 130MB
NT® Workstation 4.0 64MB 256MB
2000 Professional
XP Home XP Professional 128MB 256MB 150MB 220MB
XP Professional x64 Edition AMD Opteron™ AMD Athlon™ 64 Intel® Xeon™ with Intel® EM64T Intel® Pentium® 4 with Intel® EM64T 256MB 512MB 150MB 220MB
Windows Vista  Intel® Pentium® 4 or equivalent 64-bit supported CPU 512MB 1GB 500MB 500MB
Macintosh® Operating Systems OS 9.1 - 9.2 All base models meet minimum requirements 64MB 80MB 220MB
OS X 10.2.4 or greater All base models meet minimum requirements 128MB 160MB
For the latest driver updates, access the Brother Solutions Center at
*Street pricing may vary
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