MFC-9800
FAQs & Troubleshooting |

MFC-9800
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Popular
Updated:11/13/2026
These are the most viewed FAQs, ranked by popularity.
- 1.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
- 2.Pre-Required Procedures (Linux)
- 3.Will my Brother machine work with Voice Over Internet Protocol (VoIP)?
- 4.I cannot install Brother drivers on Debian 10 or later (Linux)
- 5.The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 or greater)
Latest
These are the latest FAQs, sorted by last update date.
10/01/2026
I'm using Voice Over Internet Protocol (VoIP) and am having problems receiving faxes.
10/01/2026
I'm having problems receiving faxes.
10/01/2026
I'm using Mac OS® 8.6-9.2. How can I uninstall the drivers?
06/01/2026
How to identify your Operating System (OS).
04/16/2025
I cannot print from my computer via USB.