MFC-420CN
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FAQs & Troubleshooting |

MFC-420CN
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Popular
Updated:07/15/2025
These are the most viewed FAQs, ranked by popularity.
- 1.I suddenly can no longer print. My machine is connected locally by USB. Why and what can I do?
- 2.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
- 3."How do I clear the message Unable to..." ( "Unable to Change" "Unable to Clean" "Unable to Init" "Unable to Print" "Unable to Scan" )?
- 4.My printed documents are incomplete or a blue screen appears when printing or using PC-FAX after a Windows 10 update (March 2021)
- 5.Pre-Required Procedures (Linux)
Latest
These are the latest FAQs, sorted by last update date.
04/16/2025
I cannot print from my computer via USB.
12/13/2024
How to identify your Operating System (OS).
06/19/2024
I cannot install the fax driver (brmfcfaxdrv) in Fedora 40 or later, or in its derivatives. (Linux)
06/05/2024
I cannot install the scanner driver (brscan5) in Fedora 40 or later. (Linux)
01/31/2024
I cannot install Scan-key-tool in Ubuntu 23.10 or later, or in its derivatives. (Linux)