MFC-7340
FAQs & Troubleshooting |

MFC-7340
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Popular
Updated:19/03/2026
These are the most viewed FAQs, ranked by popularity.
- 1.I just replaced the toner cartridge and the LCD continues to display the message "Toner Low" / "Replace Toner" / "Toner Life End" or the Toner LED is still on or flashing.
- 2.The message "Poor Line Condition" or "NG" appears on the Transmission Verification Report when I try to send a fax.
- 3.I cannot install Brother drivers on Debian 10 or later (Linux)
- 4.The message "[file name] can't be opened because it is from an unidentified developer." appears on OS X v10.8.x.
- 5.Can I print from and scan to iPhone, iPod touch and iPad?
Latest
These are the latest FAQs, sorted by last update date.
05/02/2026
I cannot find a file downloaded from the Brother support website (For Windows)
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.
30/07/2025
I am having a problem receiving faxes.
30/07/2025
Why doesn't the machine answer when receiving a call?