FAQs & Troubleshooting
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MFC-9840CDW
367 Results
1.
The error message "No Supported Devices Found" appears on the Brother iPrint&Scan screen (mobile device).
2.
Tips for copy/scanning and preventing document jams
3.
Duplex (two-sided) scan
4.
I installed the Full Driver & Software Package, but some applications were not installed. (For Windows 10)
5.
The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 or greater)
6.
Can I print from and scan to iPhone, iPod touch and iPad?
7.
What is Brother iPrint&Scan?
8.
I cannot use the Scan to E-mail with Outlook2003 or Outlook2007 after updating ControlCenter3. The error message "command line argument is invalid" appears. What can I do?
9.
The printer status is Offline or Paused.
10.
Spots are printed at 75mm.
11.
Colors are light or unclear on the whole page.
12.
Printouts have wrinkles.
13.
I still receive the error message "Replace Parts Drum" or "Drum End Soon" after I replace the drum unit with a new one.
14.
What is the default user name and password for my Brother network card, BRAdmin, Remote Setup or Web Based Management?
15.
My printed documents are incomplete or a blue screen appears when printing or using PC-FAX after a Windows 10 update (March 2021)
16.
Color around the edge of printing is incorrect.
17.
I cannot connect to the printer via Wi-Fi Direct using the Brother Print Service Plugin (Android™ 12 or later).
18.
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.
19.
Unable to print or scan when using Brother iPrint&Scan from my Windows Phone® mobile device.
20.
Adjust color settings by using the custom setting in the printer driver
21.
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?
22.
I get an error "Print Queue is stopped". (Mac OS X 10.2 - 10.4)
23.
The image is ghosted.
24.
White spots or hollow print appears.
25.
How do I replace the belt unit?
26.
How do I clear the message "Jam Inside" from the LCD display?
27.
Replace the drum unit.
28.
I'm using Mac OS X 10.4/10.5 and installed Adobe® Photoshop® CS3, but my scanner is not detected in Photoshop CS3 although I can scan with ControlCenter2 or other applications. What should I do?
29.
Printouts have toner scatter or toner stain.
30.
Vertical colored streaks or bands appear on the page.