“Toner Life End” on Brother HL-4050

"Toner Life End" on Brother HL-4050, this post describes how to reset the warningMy rather new Brother started raising “false” alerts (at least I think they’re false…) about empty/dead toner, “Toner Life End” it said on the device display. I had only printed a few hundred pages so far. In search for an answer Google directed me to http://www.fixyourownprinter.com/forums/laser/39806.

It’s a long and chaotic thread but about 1/5 from the top there is a posting that advises to do following for Brother HL-4040 and similar models.

How to reset toner warning “Toner Life End”

For the toner life reset menu:
1 Open the front cover of the printer
2 press and hold the cancel button
3 press the reprint button while still holding cancel
- here is the reset menu – go to the appropriate cartridge on
- the menu and reset it and you’re done!
FYI… Pressing the “Go” button and the up arrow gives you the parts life reset menu (drum, laser, fuser, etc.)

I also did the electric tape over the windows – which worked before the reset – but I thought this fact would be helpful too.

For anyone that is asking “what window?” I think it is the clear plastic opening on the sides of the cartridges where you can actually see the powder inside the cartridge – the color of the toner (magenta, yellow, or cyan). I didn’t really know that for sure when I tried, but it made sense, and it worked. So I am fairly sure that is the “window” you should be trying to cover.

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