MFC-7420
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FAQs & Troubleshooting |
MFC-7420
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Popular
Updated:19/03/2026
These are the most viewed FAQs, ranked by popularity.
- 1.The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 or greater)
- 2.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
- 3.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.
- 4.How do I load legal size paper in the paper tray?
- 5.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?
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)
30/07/2025
I'm using Voice Over Internet Protocol (VoIP) and am having problems receiving faxes.
16/04/2025
I cannot print from my computer via USB.
13/12/2024
How to identify your Operating System (OS).
19/06/2024
I cannot install the fax driver (brmfcfaxdrv) in Fedora 40 or later, or in its derivatives. (Linux)