FAQs & Troubleshooting
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MFC-7840N
288 Results
1.
I cannot install Brother drivers on Debian 10 or later (Linux)
2.
Unable to print or scan when using Brother iPrint&Scan from my Windows Phone® mobile device.
3.
I installed the Full Driver & Software Package, but some applications were not installed. (For Windows 10)
4.
The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 or greater)
5.
What driver package format is supported by my Linux distribution?
6.
Can I use voice mail on the same line as my Brother machine?
7.
A margin appears on the right side of the scanned document when using the Brother iPrint&Scan application on my Android™ mobile device.
8.
What is Brother iPrint&Scan?
9.
Can I print all PDF formats from my device (Android™) using the Brother iPrint&Scan?
10.
How to identify your Operating System (OS).
11.
I'm using Windows. When I try to Scan to E-mail I get an error saying "the command line argument is not valid. Verify the switch you are using". What should I do?
12.
What is Distinctive Ring and how do I program it?
13.
I cannot save a file downloaded from the Brother support website (For Windows)
14.
Protect your Brother machine against unauthorised access over the network
15.
I cannot find some option in the Printing preferences. (For Windows)
16.
The message "[file name] can't be opened because it is from an unidentified developer." appears on OS X v10.8.x.
17.
The scanned documents in my Android™ mobile device are not displayed in the documents list of the Brother Image Viewer application.
18.
I'm using Windows XP Professional x64 Edition/ Windows Vista 64-bit edition. I'm unable to scan from Corel® Paint Shop Pro® X using the WIA driver.
19.
Why doesn't the machine answer when receiving a call?
20.
My printed documents are incomplete or a blue screen appears when printing or using PC-FAX after a Windows 10 update (March 2021)
21.
Which connection can I use to print from my device (iPhone, iPod touch, iPad) using the Brother iPrint&Scan?
22.
The printer status is Offline or Paused.
23.
Scan and save a document in PDF format (Scan to File)
24.
I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later).
25.
Check the kind of scanner driver installed by connecting the USB/ Parallel cable.
26.
Download a file from the "Downloads" section and save it to Windows 8 computer.
27.
Print a web page from iPrint&Scan when using an Android™ mobile device.
28.
What is the maximum number of recipients when broadcasting a fax?
29.
Can I print from and scan to iPhone, iPod touch and iPad?
30.
Changes to the contents stored in the address book do not become effective in the stored speed dial numbers in Windows.