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I have a brother MFC-7420. I replaced the toner and is still telling me toner life end and to replace the toner.

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Try a factory reset of the device

Posted on Aug 05, 2010

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It tells me tone life end, I replaced drum unit and toner and it still says life end


try this. open the front cover, press the "options" button, then "start", then "1" then "0". once you see the message "close front cover", close it. if message comes back, you may have a faulty or "refilled" cartridge. if toner cart is not "reset" properly when refilled, you will get this message also.

good luck,
razors

Jan 14, 2011 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Replaced toner cartrige and the error message saying that the toner life is ended. any ideas


Try this.. It worked in my Brother MFC 7320.. SO it May work.. Open the cover. Remove Drum and Cartridge. Look inside. There are 2 LENS ON both sides. Cover the lens with a tape. Replace Drum and Cartridge. Click cancel. then click 1 for replace drum.. close cover.. Let me know if it works

Sep 20, 2010 | Brother MFC-7420 Printer

1 Answer

Brothers MFC 7420 It says Toner Life End on my LDC and I still get great copys. I have had this issue before and I think this machine is programed to have me purchase toner before I need to.


The MFC7420 has sensors that sense when the toner is low. It lets you know in time to purchase another cartridge before you totally run out. If you can get one same day I wouldn't purchase one until the printer pages start fading.

Oct 08, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

I REPLACE THE TONER CARTRIDGE BUT ON LCD IT DISPLAY MESSAGE TONER LIFE END,OPEN FRONT COVER AND REPLACE TONER CARTRIDGE


Is this a genuine Brother replacement cartridge, if not you may find that it is not recognised by your MFC. Also worth a try is removing and reinstalling the new cartridge ensuring all protective packaging is removed. Also remove and reinstall the Drum unit as Brother actually recommend this as part of a new toner install

http://www.brother-usa.com/ModelDocuments/Consumer/Users%20Manual/UM_MFC_7420_7820N_EN_1156.PDF

Sep 26, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

TONER LIFE END BUT TONER IS NEW


first print out a help page. i beleive that this is in the reports section, scroll down to drum follow the promps the same for toner good luck brother sr tech

Jan 19, 2009 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Toner replacement on Brothers MFC 7420


Open the front cover and try to pull it out strongly.
then use the duster to clean the machine.
then you should able to replace your cartridge easily next time.
mightbe too dirty or you use ODM toner? if yes that's the problem issued from.

Nov 18, 2008 | Brother MFC-7420 Laser Printer

2 Answers

Replacing Toner


How to tell on brother mfc-8440 or mfc-9440cn , the total copies printed so far

Sep 07, 2008 | Brother MFC-9440CN Laser Printer

5 Answers

Refill toner Brother MFC 7420


open front cover, press OPTION button, on the LCD will appear a message "NEW DRUM?" ....DO NOT RESPOND....just type on the keyboard "*00" and there will appear a message "Accepted" and use it in your pleasure.

PS. in any case i blocked with paper labels the viewing windows from transparent plastic on the toner itself....

Mr. Brother, do not try to be smarter than your customer

May 22, 2008 | Brother MFC 7420 All-In-One Laser Printer

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