MFC-7440N
FAQs & Troubleshooting |

MFC-7440N
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Popular
Updated:06/08/2026
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.The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 or greater)
- 3.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?
- 4.The printer status is Offline or Paused.
- 5.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan screen (mobile device).
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)
19/01/2026
I can print but cannot scan via network. (For Mac)
05/11/2025
I cannot find some option in the Printing preferences. (For Windows)
30/07/2025
I'm using Voice Over Internet Protocol (VoIP) and am having problems receiving faxes.