MFC-L3780CDW
FAQs & Troubleshooting |

MFC-L3780CDW
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Popular
Updated:12/17/2025
These are the most viewed FAQs, ranked by popularity.
- 1.What is the default password for my Brother machine?
- 2.No Paper / No Paper Tray1/Tray2/MP Tray
- 3.(Video) Paper is Jammed in the Back of the Machine
- 4.The message "Retry Updating by USB", "Retry by USB" or "Try updating by Firmware Update tool." appears on the machine's LCD when the machine is turned on.
- 5.(Video) Set up your Brother machine
Latest
These are the latest FAQs, sorted by last update date.
12/16/2025
Use Universal Print (Windows)
12/16/2025
Export an address book and import it to another machine
11/11/2025
How to uninstall the Brother Print Support App
11/05/2025
I cannot find some option in the Printing preferences. (For Windows)
11/05/2025
Adjust color settings by using the custom setting in the printer driver (Windows only)
