MFC-7420
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MFC-7420
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Popular
Updated:06/02/2026
These are the most viewed FAQs, ranked by popularity.
- 1.How can I improve poor print quality ?
- 2.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
- 3.I'm using Windows. When I try to Scan to E-mail I get an error saying "the command line argument is not valid. Verify the switch you are using". What should I do?
- 4.How do I clean white or black spots on printed documents?
- 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.
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)