DCP-4020C
FAQs & Troubleshooting |

DCP-4020C
Search by Keyword(s)
Categorised
How To / Troubleshooting
Setup / Settings
Consumables & Accessories / Routine Maintenance
Others
Popular
Updated:17/06/2026
These are the most viewed FAQs, ranked by popularity.
- 1.The error message "No Supported Devices Found" appears in Brother iPrint&Scan (mobile device).
- 2.My machine does regular cleaning cycles in the night. How can I correct this?
- 3.Why does the message "No File" appear on the LCD when I put a memory card into the media slot on my Brother machine?
- 4.The message "[file name] can't be opened because it is from an unidentified developer." appears on OS X v10.8.x.
- 5.Why do the colour ink cartridges run out of ink even though I never or rarely print in colour?
Latest
These are the latest FAQs, sorted by last update date.
10/06/2026
How to identify your Operating System (OS).
30/04/2026
Uninstall the drivers (Windows)
14/05/2025
I cannot print from my computer via USB.
24/01/2024
My machine does regular cleaning cycles in the night. How can I correct this?
12/07/2023
I'm using Ubuntu 23.04 or their derivatives. I cannot print from Brother Inkjet Printer. (Linux)