FAQs & Troubleshooting
![]() |
Latest |

MFC-7840W
311 Results
1. 16/04/2025
I cannot print using my Brother machine on a wired network. (Windows/macOS)
2. 16/04/2025
I cannot print from my computer via USB.
3. 15/04/2025
I can print but cannot scan via network. (For Mac)
4. 05/02/2025
Find the Wireless Security Information (e.g. SSID, Network key etc.) for Mac OS X 10.10.5 or greater
5. 13/12/2024
How to identify your Operating System (OS).
6. 24/10/2024
The error message "No Supported Devices Found" appears on the Brother iPrint&Scan screen (mobile device).
7. 15/10/2024
I cannot find my Brother printer in Mopria™ Print Service (MPS) or Brother Print Service Plugin app after updating the app. (Android™)
8. 19/06/2024
I cannot install the fax driver (brmfcfaxdrv) in Fedora 40 or later, or in its derivatives. (Linux)
9. 05/06/2024
I cannot install the scanner driver (brscan5) in Fedora 40 or later. (Linux)
10. 14/02/2024
I cannot print using my Brother machine on a wireless network (Mac)
11. 31/01/2024
I cannot install Scan-key-tool in Ubuntu 23.10 or later, or in its derivatives. (Linux)
12. 17/11/2023
"ControlCenter needs to be updated." - macOS 10.15 Catalina
13. 08/11/2023
How to scan a document from a Windows application?
14. 10/08/2023
Can I use my Brother printer with a 64 bit Linux distribution? (Linux)
15. 27/06/2023
Uninstall the drivers. (Mac OS X 10.6 - macOS 12)
16. 08/06/2023
I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later).
17. 01/06/2023
Delete print jobs from the print queue.
18. 10/04/2023
The network scanning feature does not work when pressing the scan key on my Brother machine control panel. (For Windows)
19. 07/04/2023
I cannot print using my Brother machine on a wireless network (Windows)
20. 27/03/2023
"Offline" appears on the Status Monitor.
21. 27/03/2023
Install the built-in drivers (For Windows 8 and Windows 10)
22. 27/03/2023
Change the printer driver settings (Windows/macOS)
23. 27/03/2023
The printer status is Offline or Paused.
24. 24/03/2023
Open the Status Monitor
25. 17/03/2023
I cannot find the destination computer on the network when I try to scan a document using the machine's Scan key or control panel.
26. 17/03/2023
I can print but cannot scan via network. (For Windows)
27. 17/03/2023
Open the "Scanners and Cameras" and Properties.
28. 15/02/2023
Find the Wireless Security Information (e.g. SSID, Network key etc.) for Windows
29. 14/02/2023
Scan and save a document in PDF format (Scan to File)
30. 14/02/2023
Configure or change the settings of the ControlCenter 2 or 3 scanning options