FAQs & Troubleshooting
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MFC-J3940DW
141 Results
1.
I cannot repair the wired or wireless connection using the Network Connection Repair Tool (Windows)
2.
I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.
3.
Telephone Line Interference/VoIP.
4.
Printer Jam or Paper Jam
5.
How to identify your Operating System (OS).
6.
Change the Print Options to Improve Your Print Results
7.
Document Jam
8.
I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later).
9.
Check the Print Quality
10.
My Brother machine could not be found over the network when I installed drivers on my computer.
11.
(Video) Set up your Brother machine
12.
Paper Tray not detected / Paper Tray 1/2/3 not detected / Paper Tray #1/2/3 not detected
13.
Replace Ink
14.
Install the Brother Mobile Connect application (for mobile device)
15.
What is the default password for my BRAdmin or Web Based Management?
16.
Check the Print Alignment from Your Brother Machine
17.
Install Starter Ink
18.
I cannot use Gmail for Email functions (such as Scan-to-Email) and Internet Fax (I-Fax)
19.
Cover is Open
20.
What driver package format is supported by my Linux distribution?
21.
Ink Low
22.
Reset the Network Settings to Factory Default
23.
How do I use Mopria™ Print Service (MPS) with my Brother machine?
24.
Load Documents in the Automatic Document Feeder (ADF)
25.
Cannot Scan XX or Unable to Scan XX
26.
Discover the MAC address of the Brother network card
27.
No Paper / No Paper Fed/ No Paper Fed [Tray 1/2/3]
28.
Print the Network Configuration Report
29.
I cannot install Brother drivers on Debian 10 or later (Linux)
30.
The printer status is Offline or Paused.