Question about Brother MFC-7820N Printer

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My printer is telling me 'Toner Life End' after I've replaced it.

I have a Brother MFC-7820N Printer. After changing the cartridge it's still telling me 'Toner Life End'. I've taken the toner out and shook it around as well as moved the little blue thing back and forth a few times. I've had to replace the toner 2 times this month for the same problem and it's getting expensive. What can I do?

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I was having the same problem with my MFC7820N.  To be honest, I think I got a little lucky poking around with a screwdriver, because the problem seemingly dissapeared.  However, I don't recommend it unless you know what your doing.
I did come across this solution on the internet afterwards though:
Open the front cover of the machine (open the compartment where you insert the toner cartridge)  Wait for "front cover open" to show on the screen.  Press the "Options" button, then press *00 and wait a few seconds, then close the front cover.
This resets something or other, I imagine it will work for you.  Hopefully it does, and if so you're welcome :)
Now, if you can just tell me exactly what is causing my MFC7820N to only have a tiny amount of toner stick to the top right of the page, we'll call it even.

Posted on Feb 15, 2009

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For the brother mfc 7820N the toner life end pops up and i have tried the *00 to reset and it doesnt work. What do I do?


When the toner cartridge is exhausted or empty then theprinter will not be able to print further documents or the prints will be veryfaint.You may be able to print a few more pages by removing thetoner cartridge and shaking the toner cartridge in a horizontal position a fewtimes and then placing it back into the printer.This will give you an opportunity to print a few more pages and giveyou time to purchase a new toner cartridge for your printer. A cheaperalternative is to purchase a re-manufactured toner cartridge for your modelprinter.A re-manufactured printer cartridge also replaces worn partsas well as refilling with toner powder.

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Brother MFC 7820N, I am getting "Toner End Life"


I fail to see why you are covering up the toner sensor led's when you have a new cartridge fitted?
Also if you are using a recycled toner from a very well known uk shop that refills toners and ink then you may well have broken the drive gear that stirs the toner. i have seen this six times and their toners do this.
It could well be one of the pitfuls of recycled toners.

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After changing the cartidge to a brand new one the printer still gives a message that the cartiridge is at the end of it's life. How do I fix the printer so it can properly detect the status of the...


ok here is the procedure for that.

1) open the front cover of the printer ..that is the cover that allows you to pull out the drum/toner, but leave them inside the machine

2)push the options button:located on the left side of the control pad)

3) type *00 on the keypad

this will reset the printer and the "toner end of life" message should go away, leaving your printer thinking it is brand new again !

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Brother MFC-9440CN Laser Printer is saying toner life end and I just put a new cartridge in.


If you want to reset your Brother MFC 9440N machine so you no longer have the error message: Toner End of Life, do the following:

1. Open the front cover of the 7820N, that is, the cover that allows you to pull out the toner and drum, but don't pull out the drum/toner.
2. Push the button: Options (located on the left of the control pad).
3. Type: *00 on the keypad.

The Brother MFC 9440N should be reset and the Toner End of Life message should disappear. Warning, this may void your warranty and ultimately damage your machine if you are reusing or refilling your cartridges, but you should already know that. Hope this helps.

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Brother MFC 7820N Toner life end with new toner


I found the following post on another site. It appears to work. If you want to reset your Brother MFC 7820N machine so you no longer have the error message: Toner End of Life, do the following:

1. Open the front cover of the 7820N, that is, the cover that allows you to pull out the toner and drum, but don't pull out the drum/toner.
2. Push the button: Options (located on the left of the control pad).
3. Type: *00 on the keypad.

The Brother MFC 7820N should be reset and the Toner End of Life message should disappear. WARNING: This may void your warranty and ultimately damage your machine if you are reusing or refilling your cartridges, but you should already know that. Hope this helps.

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I am facing problem in brother printer DCP 7010 is showing toner life end.


nvr mind, i guess the toner is exhausting or is exhausted..
mind for a refill or head change or both..it may solve ur problem..!!
do contact ur system admin!!

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Open the cover, press Options and then *00.

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have you tried changing the drum unit for a brother oem unoit and oem toner? generic toner and drum will always mess the machine up!!!!!!! good luck brother sr tech

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Try removing the new toner cartridge from the machine, and shake it up and down and sideways, over a newspaper. Then, put it back in the machine and see if that helps. Sometimes, especially if the new cartridge was exposed to high temperatures or humidity before you got it, the toner SETTLES inside. Shaking it up can usually help.

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2 Answers

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did you reset the toner life?

open the front cover, press the option button, on the screen will display ''reset toner life 1 yes 2 no ''
press 1 and close the cover.

toner life reseted

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