FAQs & Troubleshooting
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MFC-7840N
286 Results
1.
The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 or greater)
2.
A margin appears on the right side of the scanned document when using the Brother iPrint&Scan application on my Android™ mobile device.
3.
Can I print from and scan to iPhone, iPod touch and iPad?
4.
I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later).
5.
What is Brother iPrint&Scan?
6.
Can I print from or scan to Android™ Smartphone?
7.
When I try to scan the document, the scanner application crashes. (OS X 10.11)
8.
I installed the Full Driver & Software Package, but some applications were not installed. (For Windows 10)
9.
Print Photos or Documents from the Brother iPrint&Scan application when using an iPhone, iPod touch and iPad.
10.
Scan from the Brother iPrint&Scan application using your iOS supported devices including iPhone, iPad and iPod touch.
11.
My printed documents are incomplete or a blue screen appears when printing or using PC-FAX after a Windows 10 update (March 2021)
12.
Pre-Required Procedures (Linux)
13.
When I try to scan using ControlCenter4 or ControlCenter3 for Windows, I receive the error message "Error CC3-202.", "Error CC4-202", "Error CC3-205" or "Error CC4-205.
14.
Print a web page from iPrint&Scan when using an Android™ mobile device.
15.
Changes to the contents stored in the address book do not become effective in the stored speed dial numbers in Windows.
16.
Can I confirm that the FAX was sent correctly?
17.
I cannot install Brother drivers on Debian 10 or later (Linux)
18.
What driver package format is supported by my Linux distribution?
19.
Which connection can I use to print from my device (iPhone, iPod touch, iPad) using the Brother iPrint&Scan?
20.
Can I use AirPrint with my Brother machine?
21.
Can I use voice mail on the same line as my Brother machine?
22.
Why doesn't the machine answer when receiving a call?
23.
I cannot install Scan-key-tool in Ubuntu 23.10 or later, or in its derivatives. (Linux)
24.
I cannot use Gmail for Email functions (such as Scan-to-Email) and Internet Fax (I-Fax)
25.
Cannot print after a Windows 10 update (June 2020)
26.
"ControlCenter needs to be updated." - macOS 10.15 Catalina
27.
Change the user interface of ControlCenter3
28.
I cannot save a file downloaded from the Brother support website (For Windows)
29.
I just replaced the toner cartridge and the LCD continues to display the message "Toner Low" / "Replace Toner" / "Toner Life End" or the Toner LED is still on or flashing.
30.
I'm trying to install the driver with network settings, but the installation wizard is not able to locate the Brother machine on my network, I'm getting the message "No devices could be found over the network".