MFC-7420
 |
FAQs & Troubleshooting |
MFC-7420
Search by Keyword(s)
Categorized
How To / Troubleshooting
Setup / Settings
Consumables & Accessories / Routine Maintenance
Others
Popular
Updated:05/06/2026
These are the most viewed FAQs, ranked by popularity.
- 1.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?
- 2.The message "Poor Line Condition" or "NG" appears on the Transmission Verification Report when I try to send a fax.
- 3.I'm using Mac OS® 9. I get an Error message of Type 1,010 when I am trying to scan into my Macintosh®. What can I do?
- 4.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
- 5.I'm using Windows Vista. When I try to install the Full Driver & Software Package I receive the error message "Unhandled Exception". What should I do?
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)
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.
19/06/2024
I cannot install the fax driver (brmfcfaxdrv) in Fedora 40 or later, or in its derivatives. (Linux)