MFC-9840CDW
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FAQs & Troubleshooting |
MFC-9840CDW
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Popular
Updated:05/14/2026
These are the most viewed FAQs, ranked by popularity.
- 1.Duplex (two-sided) scan
- 2.How do I turn off/on the Toner Save Mode?
- 3.I installed the Full Driver & Software Package, but some applications were not installed. (For Windows 10)
- 4.Unable to print or scan when using Brother iPrint&Scan from my Android™ mobile device.
- 5.White spots or hollow print appears.
Latest
These are the latest FAQs, sorted by last update date.
04/13/2026
How to identify your Operating System (OS).
02/05/2026
I cannot find a file downloaded from the Brother support website (For Windows)
01/19/2026
I can print but cannot scan via network. (For Mac)
11/05/2025
I cannot find some option in the Printing preferences. (For Windows)
07/30/2025
I am having a problem receiving faxes.