FAQs & Troubleshooting
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MFC-J3940DW
143 Results
1.
Remove Paper Scraps Jammed in the ADF
2.
How to identify your Operating System (OS).
3.
Print using only the black ink cartridge when the Color cartridges have run out.
4.
Document is Jammed in the Top of the ADF Unit
5.
(Video) Set up your Brother machine
6.
One or more of my colors are not printing (blank).
7.
I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later).
8.
Telephone Line Interference/VoIP.
9.
Paper Tray not detected / Paper Tray 1/2/3 not detected / Paper Tray #1/2/3 not detected
10.
What is the recommended paper?
11.
I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.
12.
What is the default password for my Brother machine?
13.
I cannot print on a wireless (Wi-Fi) network (Windows)
14.
I cannot save a file downloaded from the Brother support website (For Windows)
15.
I cannot find some option in the Printing preferences. (For Windows)
16.
Ink Low
17.
Paper Size Mismatch
18.
Replace Ink
19.
Configure the Scan to Email Feature (Linux)
20.
I get a TS error when trying to print on a wireless network.
21.
Load Documents in the Automatic Document Feeder (ADF)
22.
Cannot Scan XX or Unable to Scan XX
23.
The printer status is Offline or Paused.
24.
What is the default password for my BRAdmin or Web Based Management?
25.
Reset the Network Settings to Factory Default
26.
When accessing Web Based Management via HTTPS, I get a security warning that the connection is not private or that the site is not secure.
27.
Install your Brother machine's software from the supplied installation disc or from Full Driver Package. (Windows)
28.
Set up your Brother machine on a wireless network (Windows/macOS)
29.
Install Starter Ink
30.
Printer Jam or Paper Jam