FAQs & Troubleshooting
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MFC-J3940DW
141 Results
1.
I updated my Windows 11 PC through Windows Update and I can no longer Print, Scan or Fax from my PC.
2.
My Brother machine could not be found over the network when I installed drivers on my computer.
3.
(Video) Set up your Brother machine
4.
Check the Print Quality
5.
Enable the Brother machine's network interface.
6.
Ink Absorber Pad Full or InkBox Full or Ink Absorber Full
7.
Paper Size Mismatch
8.
I cannot use Gmail for Email functions (such as Scan-to-Email) and Internet Fax (I-Fax)
9.
(Video) Print a long paper
10.
Add your Brother machine with AirPrint (macOS)
11.
Set up your Brother machine on a wireless network (Windows/macOS)
12.
I cannot print on a wireless (Wi-Fi) network (Windows)
13.
Change the Print Options to Improve Your Print Results
14.
Check the Print Alignment from Your Brother Machine
15.
Delete print jobs from the print queue.
16.
How to identify your Operating System (OS).
17.
Cannot Scan XX or Unable to Scan XX
18.
Change the printer driver settings (Windows)
19.
Reset the Network Settings to Factory Default
20.
I cannot repair the wired or wireless connection using the Network Connection Repair Tool (Windows)
21.
Clean the Print Head from Your Brother Machine
22.
I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later).
23.
Telephone Line Interference/VoIP.
24.
Wrong Ink Cartridge
25.
Cover is Open
26.
In Windows, the Brother printer or scanner driver windows are in a foreign language. How can I change the printer or scanner driver windows to be in a local language?
27.
Firewall port requirements of the Scan Key Tool (Linux)
28.
Remove Paper Scraps
29.
Install Starter Ink
30.
The error message "No AirPrint Printers Found" appears when I tap the Print icon on my mobile device ( iPhone, iPod touch, iPad ).