Model discontinued. This page is no longer updated.

MFC-9420CN

FAQs & Troubleshooting

FAQs & Troubleshooting

MFC-9420CN

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Updated:22/10/2026

These are the most viewed FAQs, ranked by popularity.

  1. 1.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
  2. 2.When I try to dial a One Touch or Speed Dial number, my Brother machine's LCD reads "Not Registered."
  3. 3.Printouts have wrinkles or creases.
  4. 4.Printouts are faint.
  5. 5.I'm using Mac OS X. When I click on any button in the Control Center 2.0 the program crashes or freezes.

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