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Brother MFC-7840W Compact Laser All-in-One
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Learn more about Brother MFC-7840W Laser Multifunction Center with Wireless Networking:

Mfg Part#: MFC-7840W
Sku: 207918565
UPC: 012502620648
UPC 14: 00012502620648
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Laser All-in-One for your Desktop or Small Office

The MFC-7840W offers everything you need in a monochrome laser all-in-one for your home office or small sized business. Delivering the same print speed, copy speed and output quality as the MFC-7440N, the MFC-7840W features an elegant black color scheme while adding a built-in 802.11b/g wireless network interface, PCL®6 and BR-Script3‡ print emulations, a faster fax modem (33.6K bps Super G3), 4-day memory backup and a LCD backlit display for easy viewing.


Video Features Fast printing and copying. Print and copy speeds of up to 23 pages per minute.
Video Features High-quality laser output. Produce crisp, rich black output up to 2400 x 600 dpi print resolution at a low cost per page that laser technology provides you.
Video Features 35-page auto document feeder. A quick and easy way to copy, fax or scan multi-page documents.
Video Features Flexible paper handling. Features a 250-sheet capacity paper tray adjustable for letter or legal size paper. Plus, a single-sheet manual bypass for envelopes, labels or other types of media.
Video Features Flatbed color scanning. Use the document glass to scan pages directly to your e-mail application or to a single PDF file using the ADF.
Video Features 32 MB standard memory. Stores up to 600 pages in memory for faxing and can handle multiple print jobs and copying.
Video Features Wireless, Ethernet, and USB interfaces. You can print, scan or send faxes wirelessly as well as the option to install the MFC on a wired network or to connect locally to a single computer via USB.
Video Features Fold-out rear output tray. Opening the printers rear exit allows for a straight-through paper path and is ideal when using the single-sheet bypass slot for printing envelopes or thicker media.

Tech Specs

Tech Specs Print
Tech Specs Print Technology B/W Laser Technology
Tech Specs Consumable Type Toner Cartridge & Drum Unit
Tech Specs Max. Black Print Speed (ppm) 23ppm Black
Tech Specs Print Resolution (maximum dpi) Up to 2400 x 600 dpi
Tech Specs Standard Input Paper Capacity (sheets) 250-Sheet Input Capacity
Tech Specs Optional Paper Capacity (sheets) No
Tech Specs Standard Interface(s) USB, Ethernet & 802.11b/g Wireless Interfaces
Tech Specs Optional Interface(s) No
Tech Specs Standard Memory (MB) 32MB Memory
Tech Specs Optional Memory (MB) No
Tech Specs Printer Driver Compatibility† Windows® & Mac OS®
Tech Specs Emulation(s) PCL®6 & BR-Script 3
Tech Specs Secure Print Function Yes
Tech Specs Maximum Monthly Duty Cycle 10,000 printed pages
Tech Specs Recommended Monthly Print Volume 250 to 2,000 pages

Tech Specs Fax
Tech Specs Faxing Capability B/W Faxing
Tech Specs Fax Modem Speed 33.6K bps Fax Modem
Tech Specs Best Transmission Speed (sec) Approx. 2 seconds per page
Tech Specs Out-of-Paper Reception Yes
Tech Specs External TAD interface Yes
Tech Specs Caller ID Ready Yes
Tech Specs Call Waiting Caller ID Ready Yes
Tech Specs Distinctive Ring Detection Ready Yes
Tech Specs Total Auto Dial Locations 208 locations
Tech Specs Broadcasting (# of locations) Yes (258 locations)
Tech Specs Quick Scan (Memory Transmission) Approx. 2.5 sec/page
Tech Specs Auto Fax Reduction (for fax receiving) Yes
Tech Specs Fax Forwarding Yes
Tech Specs Automatic Redial Yes
Tech Specs Dual Access Yes
Tech Specs Fax/Telephone Switch Yes
Tech Specs Fax Gray Scale Mono: 8 bit / 256
Tech Specs Fax Coding Method Mono: MH / MR / MMR / JBIG
Tech Specs PC Fax Capability (send/receive) Yes
Tech Specs Fax Page Memory Up to 600 page fax memory
Tech Specs Fax Page Memory (Brother Test Chart #1) Up to 600 page fax memory

Tech Specs Copy
Tech Specs Copying Capability B/W Copying
Tech Specs Design Style Flatbed
Tech Specs Max. Automatic Document Feeder Capacity‡ 35-Page ADF
Tech Specs Max. Black Copy Speed (cpm) 23cpm Black
Tech Specs Stand-alone Copying Yes
Tech Specs Reduction/Enlargement 25% - 400%
Tech Specs Sorting Function Yes
Tech Specs N in 1 Function 2in1 / 4in1
Tech Specs Poster Function No
Tech Specs Document Glass Size Letter / A4

Tech Specs Scan
Tech Specs Scanning Capability B/W & Color Scanning
Tech Specs Max. Interpolated Scan Resolution (dpi) Up to 19200 x 19200 dpi
Tech Specs Optical Scan Resolution (dpi) 600 x 2400 dpi
Tech Specs Input Color Scan Bit Depth 48 bit
Tech Specs Scanner Driver Compatibility Windows®/Mac OS®
Tech Specs Document Viewer Software† Includes Scansoft PaperPort® SE with OCR for Windows® and Presto!® PageManager® for Mac®
Tech Specs OCR Software Includes Scansoft PaperPort® SE with OCR for Windows® and Presto!® PageManager® for Mac®
Tech Specs Formats (Export) TIFF / BMP / MAX / JPG / PDF
Tech Specs "Scan To" feature† Email, Image, OCR, File, FTP

Tech Specs Other
Tech Specs Standard Network Features Printing, Scanning, PC Fax
Tech Specs Supported Network Protocols (IPv4) ARP, RARP, BOOTP, DHCP, APIPA (Auto IP), WINS/NetBIOS, DNS resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port9100, IPP, FTP Server, FTP Client, POP before SMTP, SMTP AUTH, APOP, TELNET, SNMPv1, HTTP Server, TFTP Client and Server, SMTP Client, ICMP, Web Services
Tech Specs Supported Network Protocols (IPv6) NDP, RA, DNS Resolver, mDNS, LLMNR responder, LPR/LPD, Custom Raw Port/Port 9100, IPP, FTP Server, FTP Client, POP before SMTP, SMTP AUTH, APOP, TELNET, SNMPv1, HTTP Server, TFTP Client and Server, SMTP Client, ICMPv6, Web Services
Tech Specs Wireless Network Security WEP 64/128, WPA-PSK (TKIP), WPA2-PSK (TKIP & AES), LEAP (CKIP)
Tech Specs One-Push Wireless Setup Simple setup with your Secure Easy Setup™ Wi-Fi Protected Setup™ or AOSS™ capable router.
Tech Specs Standard Network Interface Network (Ethernet) I/F
Tech Specs Security Functions Function Lock, Setting Lock, Secure Print
Tech Specs Paper Handling Size - Paper Tray Letter, Legal, Executive, A4, A5, B5
Tech Specs Minimum Paper Width/Length (Paper Tray) 5.8"/5.8"
Tech Specs Maximum Paper Width/Length (Paper Tray) 8.5"/14"
Tech Specs Sheet Weight - Paper Tray (max/min) 16 - 28 lbs.
Tech Specs Minimum Input for ADF (Width/Height) 5.8"/5.8"
Tech Specs Max Input of ADF (Width/Height) 8.5"/14"
Tech Specs Sheet Weight - ADF (max/min) 17 - 24 lbs.
Tech Specs Output Paper Capacity (sheets) 100 sheets
Tech Specs LCD Display Yes (monochrome)
Tech Specs LCD Back-lit Yes (green)
Tech Specs Document Memory Backup Yes
Tech Specs Power Source AC 120V 50/60Hz
Tech Specs Power Consumption - Sleep/Standby/Peak 10W / 75W / 320W
Tech Specs Energy Star Compliant Yes
Tech Specs Operating Environment: Temperature 50-91°F
Tech Specs Operating Environment: Humidity 20-80% (w/out condensation)
Tech Specs Machine Noise (Standby/Operating) 32 dBA / 53 dBA
Tech Specs Unit Dimensions (W"xD"xH") 16.9" x 15.6" x 12"
Tech Specs Unit Weight (lbs) 24.5 lbs.
Tech Specs Warranty 1 Year Limited
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