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Brother MFC-7840W

Brother MFC-7840W
alaScore 84

902 reviews

Apr, 2014

alaTest has collected and analyzed 902 reviews from magazines and websites. Reviewers really like the design and print quality. The usability and performance are also appreciated, but opinions about the control panel and paper handling are mixed.

value for money, performance, usability, print quality, design

We analyzed user and expert ratings, product age and more factors. Compared to other Printers the Brother MFC-7840W is awarded an overall alaScore™ of 84/100 = Very good quality.

Review analysis

(Based on 902 reviews)

Expert Reviews  

User Reviews  

Showing 280 review(s)

Expert Reviews User Reviews
Showing 1 - 10 of 280 Show Reviews: in English | in other languages (8)

Expert review by:

Brother MFC-7840W


Inexpensive cost per print ; Moderately fast ; Includes wireless networking ; Prints clean, legible text and attractive graphics in black and white

Scanner software lacks advanced options ; Wireless setup is tricky ; Scanning is a bit slow

Editor's Choice!

Expert review by:

Brother MFC-7840W


Inexpensive monochrome laser all-in-ones (AIOs)—that is, the few that cost $300 or less—tend to be for personal use. Most connect only by USB cable. Even those with network connectors typically offer limited networking features, allowing printing over...

Fast. Prints, scans, faxes from a PC. Standalone copier and fax. Ethernet and Wi-Fi connections. Automatic document feeder

No duplexer

The Brother MFC-7840W packs almost everything a small-office or home-office user could want into a compact, monochrome laser all-in-one (AIO).

Expert review by:

Monochrome laser all-in-one printer


Unless you need color prints, the Brother MFC-7840W is a good full-featured monochrome laser printer, fax, scanner and copier, reviewers say. With a duty cycle of 10,000 pages per month, relatively low toner costs and wireless networking, the MFC-7840W...

Very good scan, print quality, laser printer is fast, supports wireless networking, includes fax

Wireless networking difficult to set up, copy quality not the best


Expert review by:

Review: Brother MFC-7840W multifunction printer


Capable of printing very good quality text and business graphics at reasonably fast rates, the MFC-7840W is a fine choice for offices that work in a black-and-white world.

Setup is a snap. After powering up the machine and installing the toner cartridge, you have three connection options: Ethernet, USB 2.0, or 802.11b/g wireless. The USB connection is plug and play, and when we connected the printer via Ethernet, the...

Consumer review by:

Drum Errors


Overall printer is OK but with the new built in Drum error makes the machine obsolete. NOt only do you need to buy the toner every 1500 pages you need to buy the drums. Quite pricey.

Wireless Printing

Brother has finally figured out how to make you buy those drums. Built in error message that can only be fixed by replacing the drums. I received this message on other brother printers but never had to replace them

Consumer review by:

Wifi hard to set up, loses connection often. Poor UI.


AVOID! Updated on Jul 6, 2011

On paper, the capabilities are attractive

In practice, the interface is clunky for all operations, and the wifi connectivity is difficult to set up and extremely unreliable

Consumer review by:

Good printer for the money.


Would recommend for anyone looking for a simple monochrome printer. This one is definitely a great value for the money.

Great print quality and print speed. Scanner can be difficult at times

Standard toner cartridge is great. The high yield (TN-360) doesn't fit well so there are constant paper jams to deal with from the paper tray

Consumer review by:

Great Printer--Horrible Scanner!!!


As explained.

How can a printer, fax, scanner be so great in two of their categories, and fall back to the 1980's for scanning!!! It is sad to see such a horrible product in the marketplace. If I had to do it again, I certainly would not purchase this printer

Horrible, horrible slow scanning

Consumer review by:

wireless doesn't work


Good print quality. Fast

The wireless function doesn't work at all. I tried setting it up with both a Mac and a Windows 7 machine. Neither will work. Tech support isn't helpful. I bought this machine specifically because I wanted wireless support

Consumer review by:

Excellent durable and professional build.


Durable and professional features

Honestly, none

Product Specifications

The MFC-7840W offers everything you need in a monochrome laser all-in-one for your home office or small sized business. 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 (33.6Kbps super G3), 4-day memory backup and a LCD backlit display for easy viewing.


Max Copying Resolution B/W:600 x 600 dpi
Max Copying Speed B/W:23ppm

Dimensions & Weight


Document & Media Handling

Max Copy Size:Legal (8.5 in x 14 in)
Standard Media Capacity:250sheets

Fax Machine

Compatibility:Super G3
Max Transmission Speed:33.6Kbps
PC Faxing: Yes


Country Kits:United States
Packaged Quantity:1
Product Line:Brother MFC


Standard Memory:32MB


Microsoft Certification:Compatible with Windows 7
Vista Certification:Certified for Windows Vista

Office Machine

Copier Type:Digital
Fax Type:Plain paper
Functions:Copier / Fax / Printer / Scanner
Printing Output Type:Monochrome
Printing Technology:Laser
Type:Fax / copier / printer / scanner

PC Connectivity

PC Connection:Ethernet 10 Base-T/100 Base-TX / IEEE 802.11b / IEEE 802.11g / USB
PC Connection Availability: Yes


Max Printing Speed B/W:23ppm
Max Printing Speed B/W (ppm):23ppm
Max Resolution B/W:2400 x 600 dpi