Model discontinued. This page is no longer updated.

MFC-7820N

FAQs & Troubleshooting

FAQs & Troubleshooting

MFC-7820N

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Updated:09/10/2026

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  1. 1.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
  2. 2.The printer status is Offline or Paused.
  3. 3.Load paper.
  4. 4.The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 or greater)
  5. 5.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?

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