MFC-5840CN
FAQs & Troubleshooting |

MFC-5840CN
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Popular
Updated:05/06/2026
These are the most viewed FAQs, ranked by popularity.
- 1.How do I clear Machine Error 46?
- 2.Scan and save a document in PDF format (Scan to File)
- 3.I cannot install Brother drivers on Debian 10 or later (Linux)
- 4.I cannot find a file downloaded from the Brother support website (For Windows)
- 5.The message "[file name] can't be opened because it is from an unidentified developer." appears on OS X v10.8.x.
Latest
These are the latest FAQs, sorted by last update date.
01/06/2026
How to identify your Operating System (OS).
05/02/2026
I cannot find a file downloaded from the Brother support website (For Windows)
16/04/2025
I cannot print from my computer via USB.
10/08/2023
Can I use my Brother printer with a 64 bit Linux distribution? (Linux)
27/06/2023
I'm using Ubuntu 23.04 on their derivatives. I cannot print from Brother Inkjet Printer. (Linux)