I replaced the toner in the MFC8860DN. I still says toner end life. I took the entire drum/toner assembly to another MFC8860DN and it works fine. So, the problem is NOT in the toner/drum assembly. Can you help figure out how to reset the MFC to detect the new toner cartridge as new and not an end life toner?

Brother International - Support for your Brother Product

Try This

Depends on the usage of the machine. If hardly used, you should get a years worth. But here's what you can do:

Open front cover

Remove drum unit and toner cartridge assembly

Put drum unit and toner cartridge assembly back in machine, but do no close front cover.

Press Clear/Back
You will get a message "Replace Drum?"
Select Yes to confirm

-open front cover
-press 'Option' button
-then key *00 on the keypad
-This resets the device so it knows it has had a new cartridge.

I hope it helps

I already answered this at some other place here - but just to make sure the word gets out there:

There is a little special (white) gear on the outer left side of the drumkit - a little bit below where the toner sits. That gear joins with toner assembly - and you can rotate it counterclockwise all the way back. This should reset the drum counter - worked for me!

I hope it also does the trick for you ;-)

Open the door where the toner goes. Press the 'back' button. Press *00. Do not respond to the query about the drum. Close the door. Other models may have to press the 'Options' button located near 'Copy'. This should work.

i solved the brother mfc8860 toner life end problem
hi guys my name is reedwaan. Im new at this site so please listen up 
my brother toner i refilled with toner and inserted it. It said toner life end then i patched the windows close on the sides and still the same problem, then i removed the toner and loosened the two screws on the left by the gears then removed the cover of the gears. 
Right at the back there is a funny looking gear with a spring behind it. All you have to do is pull the spring a little bit clockwise and push the gear back on hooking the spring into it so that the gear is spring loaded. close it up then test it, It took me a while to figure it out but i got it right. 
NB*  The gear that you push on, is the toner reset gear and when you push it on make sure the teeth dont interlock with the second gear on the left of it. If you have any queries mail me on [email protected] 
glad to help out

I have a brother mfc 7840w

I first used the electrical tape trick and that worked for a while. Then got the toner low message again. I then tried the *00 trick, which works as follows:

1. lift lid and open front cover
2. press clear/back. "Replace Drum?" will appear on the screen.
3. Press "*00" it will then read accepted and the toner low error (End of Toner Life) should go away.
4. close it all up and your done.

where and how to find the reset actuator?