MFC-9420CN
FAQs & Troubleshooting |

MFC-9420CN
Search by Keyword(s)
Categorized
How To / Troubleshooting
Setup / Settings
Consumables & Accessories / Routine Maintenance
Others
Popular
Updated:03/03/2026
These are the most viewed FAQs, ranked by popularity.
- 1.Lines appears across the page.
- 2.The error message "Invalid format for short nick name" appears when printing a document. (Mac OS X 10.5 or greater)
- 3.Printouts have wrinkles or creases.
- 4.When I try to dial a One Touch or Speed Dial number, my Brother machine's LCD reads "Not Registered."
- 5.Printouts are faint.
Latest
These are the latest FAQs, sorted by last update date.
05/02/2026
I cannot find a file downloaded from the Brother support website (For Windows)
13/12/2024
How to identify your Operating System (OS).
10/08/2023
Can I use my Brother printer with a 64 bit Linux distribution? (Linux)
27/06/2023
Uninstall the drivers. (Mac OS X 10.6 - macOS 12)
01/06/2023
Delete print jobs from the print queue.