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Brother MFC-8420

alaTest has collected and analyzed 11 reviews of Brother MFC-8420. The average rating for this product is 4.6/5, compared to an average rating of 4.0/5 for other products in the same category for all reviews. Reviewers are impressed by the durability and reliability. The usability and price are also appreciated, but there are some mixed views about the paper handling. Some have doubts about the multifunction.

performance, price, usability, reliability, durability


We analyzed user and expert ratings, product age and more factors. Compared to other products in the same category the Brother MFC-8420 is awarded an overall alaScore™ of 76/100 = Good quality.

Review analysis

(Based on 11 reviews)

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Consumer review ( review summary for Brother MFC-8420


alaTest has collected and analyzed 8 user reviews of Brother MFC-8420 from The average user rating for this product is 5.0/5, compared to an average user rating of 3.8/5 for other products in the same category on Comments about the size and reliability are overall positive. The usability and price also get good views, whereas comments about the paper handling and durability are different.

performance, price, usability, reliability, size

100% of the reviews on give this product a positive rating.

This summary is based on the products: Brother MFC-8420 Laser MultifunctionBrother MFC-8420 Laser Multifunction

Dec, 2018

Expert review by : Kristina De Nike (

Brother MFC-8420


Fast printing

Dark and blotchy printed images

Nov, 2003

Expert review by : Jeffrey Fuchs (

Service and support


Brother MFC-8420

A good, fast laser printer for text and graphics.

Slow copier; only fair scan quality.

Not ready for a busy small office and too expensive for a home office.

Jul, 2003

Editor's Choice!

Expert review by (

Brother MFC-8420


Low cost of ownership is a very strong suit for the Brother MFC-8420. Although its price is the same as the other multifunction printers in this roundup, its rated cost per page is 0.1 to 0.5 cents below the competition. A difference of 0.1 cents may...

Product Specifications

The MFC-8420 is a 5-in-1 flatbed laser multifunction center combining performance, connectivity, and reliability. The MFC-8420 is a full-feature fax, and an up to 17ppm laser printer, which prints at up to 2400 x 600 dpi (HQ1200), an up to 17 cpm, legal-size digital copier and a 9600x9600 dpi (interpolated) resolution color flatbed scanner. You can copy objects such as books and magazines, or make reduction and enlargement from 25-400%. Also included is PC Fax capability, allowing you to send and receive faxes directly from your PC. An optional second paper tray and optional network capability makes this an optimum solution for your business. Both USB and parallel ports are standard, so the MFC-8420 can work with Windows and Mac applications effortlessly.


Copy speed (normal quality, black, A4):16
Max Copying Resolution B/W:1200 x 600 dpi
Max Copying Speed B/W:17ppm
Maximum copy resolution:1200 x 600
Maximum number of copies:99

Dimensions & Weight


Document & Media Handling

Max Copy Size:Legal (8.5 in x 14 in)
Max Media Capacity:500sheets
Standard Media Capacity:250sheets


Communication:Automatic redialling if the recipient fax is busy
Fax speed dialing (max numbers):Auto dialling of pre-stored number by entry of a three digit number (300 locations)
Fax speed dialing, max numbers:Auto dialling of pre-stored number by entry of a three digit number (300 locations)
Modem Speed:33.6

Fax Machine

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


Packaged Quantity:1
Product Line:Brother MFC

Input Capacity

Auto document feeder (ADF) input capacity:50
Maximum input capacity:250


Max Supported Memory:160MB
Standard Memory:32MB


Microsoft Certification:Certified for Windows Vista
Vista Certification:Certified for Windows Vista

Office Machine

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

Other Features

Color all-in-one functions:scan, No
Compatible operating systems:Windows 95/98(SE)/Me/2000/XP, Windows NT 4.0WS,\nMac OS 8.6-9.2/ OS X 10.1/10.2.1 or greater
Dimensions (WxDxH):20.9 x 17.5 x 18.5
Duplex print options:Y
I/O ports:Parallel cable port \nHi-Speed USB2.0 (Universal Serial Bus) port\n
Media size (tray 1):LTR / LGL / A4 / B5 / A5 / B6 / A6 / Exe
Modem Type:ITU-T G3
Networking features:Optional Network (10/100base-TX)
Standard input trays:Standard - Up to 250 sheets in the paper tray. Up to 250 sheets can be stored in the optional paper tray

Output Capacity

Maximum output capacity:150

Paper Handling

Maximum ISO A-series paper size:A4
Maximum print area:A4 (210 x 297 mm)
Maximum print size:A4 (210 x 297 mm)

PC Connectivity

PC Connection:Hi-Speed USB / Parallel
PC Connection Availability: Yes


Digital sender:N
Duplex functions:Not supported
Number of print cartridges:1
Print technology:Laser
Scanning:Colour scanning


Max Printing Speed B/W:17ppm
Max Printing Speed B/W (ppm):17ppm
Max Resolution B/W:2400 x 600 dpi
Maximum Resolution:9600 x 9600
Print speed (black, normal quality, A4/US Letter):16


Gray scale levels:256
Maximum scan resolution:9600 x 9600
Optical scanning resolution:600 x 2400
TWAIN version:This model is Twain compliant for Windows 95/98(SE)/Me/2000/XP


Internal memory:32

System Requirements

Mac compatibility: Yes

Weight & Dimensions