FAQs & Troubleshooting
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MFC-9840CDW
376 Results
1.
Duplex (two-sided) scan
2.
I installed the Full Driver & Software Package, but some applications were not installed. (For Windows 10)
3.
The error message "No Supported Devices Found" appears on the Brother iPrint&Scan screen (mobile device).
4.
How to identify your Operating System (OS).
5.
Download a file from the "Downloads" section and save it to Windows 10 computer.
6.
The printer status is Offline or Paused.
7.
What is the default user name and password for my Brother network card, BRAdmin, Remote Setup or Web Based Management?
8.
What is Brother iPrint&Scan?
9.
Adjust color settings by using the custom setting in the printer driver
10.
How do I improve the color density? (Print Calibration)
11.
Tips for copy/scanning and preventing document jams
12.
Printouts have toner scatter or toner stain.
13.
I cannot print using my Brother machine on a wireless network (Windows)
14.
How do I clear the message "Print Unable 32" from the LCD display?
15.
I still receive the error message "Replace Parts Drum" or "Drum End Soon" after I replace the drum unit with a new one.
16.
Spots are printed at 75mm.
17.
Color around the edge of printing is incorrect.
18.
When I try to scan the document, the scanner application crashes. (OS X 10.11)
19.
Windows 10 Support Information
20.
How do I clean the drum unit?
21.
Which connection can I use to print from my device (iPhone, iPod touch, iPad) using the Brother iPrint&Scan?
22.
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?
23.
Set up your Brother machine on a wireless network.
24.
Open the Control Panel (For Windows)
25.
I just replaced the toner cartridge and the LCD continues to display the message "Toner Life End" or "Replace Toner".
26.
Replace the toner cartridge
27.
I cannot print using my Brother machine on a wireless network (Mac)
28.
Can I print from or scan to Android™ Smartphone?
29.
Why is legal scanning not an option on my Windows XP / Windows Vista computer when using the WIA driver?
30.
Colors are light or unclear on the whole page.