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Model discontinued. This page is no longer updated.

MFC-420CN

FAQs & Troubleshooting

FAQs & Troubleshooting

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CategorizedPopularLatest

Updated:07/15/2025

These are the most viewed FAQs, ranked by popularity.

  1. 1.I suddenly can no longer print.  My machine is connected locally by USB.  Why and what can I do?
  2. 2.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
  3. 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. 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. 5.Pre-Required Procedures (Linux)
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MFC-420CN

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