The MFC640cw is the perfect solution to clean up the clutter of machines on your desk. Starting with its built-in 802.11 b/g wireless interface (also includes USB and Ethernet interfaces) this machine offers more in one package than any other all-in-one product. It features up to 6000 x 1200 dpi‡ print resolution, an automatic document feeder, a telephone handset and a digital answering machine.
Maximum capacity based on using 20 lb (bond) paper.
Best Transmission Speed (sec)‡
Based on Brother #1 chart with highest available coding method and standard resolution.
Black Print Speed (max. ppm)
Click here for print speed methodology.
Borderless printing is available for Letter, 4"x6", 5"x8", 5"x7", A4, A6, 3.9"x5.8" and 5.8"x7.8" paper sizes.
Broadcasting (# of locations)
Distinctive Ring Detection Ready‡
Check with local phone company for service availability.
Fax Page Memory‡
Based on Brother #1 Chart at standard resolution with MMR compression
"In-Box" Consumables (Yield)‡
Approx. ink yield based on letter paper size at 5% page coverage. Yields may vary with conditions and use.
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.
Media Drive Compatibility
Media Cards not included.
Optional Paper Trays (capacity)
Maximum capacity based on using 20 lb. (bond) paper. Additional purchase required.
Quick Scan (Memory Transmission)‡
Using Brother #1 Chart at standard resolution and highest compression mode.