11 comments on “Brother HL-4040cn Toner Life End

  1. Thanks so much for the help. I worked on the printer for way too long before I came across your fix.
    Worked like a charm! Thanks!

  2. Didn’t work for me. Not sure If I’m doing something wrong – but I tried this multiple times & no go.

  3. Worked for me. Black ink column flashing, though. Are there any “windows” to cover on these cartridges?
    Thanks very much!

  4. This worked, great. I was certain there was toner in the cartridges, but I would have spent a lot of money needlessly replacing them if I hadn’t read this.
    Is Brother ripping us off to buy more cartridges than we need?

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