MFC-420CN
 |
FAQs & Troubleshooting |
MFC-420CN
Search by Keyword(s)
Categorized
How To / Troubleshooting
Setup / Settings
Consumables & Accessories / Routine Maintenance
Others
Popular
Updated:07/15/2026
These are the most viewed FAQs, ranked by popularity.
- 1.The message "[file name] can't be opened because it is from an unidentified developer." appears on OS X v10.8.x.
- 2.The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 - 10.8)
- 3.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?
- 4.When I try to scan to OCR I get an error message saying "This feature is not available because there is no OCR Software installed".
- 5.I'm using Mac OS® 9. I get an Error message of Type 1,010 when I am trying to scan into my Macintosh®. What can I do?
Latest
These are the latest FAQs, sorted by last update date.
06/01/2026
How to identify your Operating System (OS).
02/05/2026
I cannot find a file downloaded from the Brother support website (For Windows)
04/16/2025
I cannot print from my computer via USB.
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)