HL-4040CN
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HL-4040CN
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Popular
Updated:09/16/2026
These are the most viewed FAQs, ranked by popularity.
- 1.The error message "No Supported Devices Found" appears on the Brother iPrint&Scan (mobile device).
- 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 Waste toner box?
- 4.How to identify your Operating System (OS).
- 5.The message "[file name] can't be opened because it is from an unidentified developer." appears on OS X v10.8.x.
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)
11/05/2025
I cannot find some option in the Printing preferences. (For Windows)
07/02/2025
'Get More Info' option in Windows 2000 is not working with IPP. What should I do?
04/16/2025
I cannot print using my Brother machine on a wired network. (Windows/macOS)