MFC-9420CN
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MFC-9420CN
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Popular
Updated:04/23/2026
These are the most viewed FAQs, ranked by popularity.
- 1.Printouts have wrinkles or creases.
- 2.The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 or greater)
- 3.How do I replace the transfer roller?
- 4.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?
- 5.My printed documents are incomplete or a blue screen appears when printing or using PC-FAX after a Windows 10 update (March 2021)
Latest
These are the latest FAQs, sorted by last update date.
04/13/2026
How to identify your Operating System (OS).
02/05/2026
I cannot find a file downloaded from the Brother support website (For Windows)
08/10/2023
Can I use my Brother printer with a 64 bit Linux distribution? (Linux)
06/27/2023
Uninstall the drivers. (Mac OS X 10.6 - macOS 12)
06/01/2023
Delete print jobs from the print queue.