Question about Brother MFC 7420 All-In-One Laser Printer

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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.

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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.

Posted on Oct 08, 2009

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1 Answer

How do you remove the toner cartridge from brothers model mfc-7420?


I would suggest downloading a copy of the user manual for your printer -it gives step-by-step instructions as well as detailed pictures to follow to remove the toner cartridge from the drum


Here is the link for the user manual for the Brother MFC-7420 All-In-One Laser Printer: 

http://welcome.solutions.brother.com/BSC/public/files/dlf/doc000387/ALLFB_UsaEngUsr_B.pdf

This is a .pdf file-You will need Adobe Reader to read the manual.

Once you have downloaded a copy of the manual to your pc, Go to Section 11-25 (p. 112) and 11-26 (p. 113)  Here you will find detailed step-by-step instructions and illustrations on how to remove the toner cartridge from the drum.

Apr 19, 2011 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Installed new cartridge and comming up machine won't regognise it saying tonner life end install new cartridge


To reset the sensor after installing a new toner cartridge follow these steps. 1. With unit powered On, open the front cover. 2. Press the “Options” key. Display will show “Replace Drum?” 3. Press “Start” key. 4. Press 1,0 . 5. Display will show “Accepted” for approximately 2 seconds. Then display will change to “Cover Open”. 6. Close cover and see if Toner Life End error message has gone.
Try this. We are Brother authorized.

Apr 15, 2010 | Brother MFC-7420 Laser Printer

1 Answer

It says toner life end and it prints just fine


The toner life end message means the toner is getting low. It will continue to print without any problem. Eventually you will see the print starting to get light in spots. If it is a new cartridge, the toner level sensors are probably dirty.

Oct 08, 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

1 Answer

Colors print too light in B&W


Please check your toner and the perfrence setting.
sometime you set toner saver, that issue the problem.
otherwise, you can replace your toner to see what happen.

Aug 25, 2008 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Brother Printer won't accept mostly full toner cartridge


On the side of the cartridge (TN2000) there is a white reset flag, this need to set to twevle 'o' clock, thats towards the black roller. If that hasn't been reset the cartridge will register as low.

Jun 11, 2008 | Brother MFC 7420 All-In-One 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

2 Answers

MFC 8460N giving Toner Life End message


I just solved my own problem. Try it for yours. I had been using several compatible toners for the MFC-8460N with no problems until today, as I posted earlier. On a hunch, I went to the local office supply store and purchased one original Brothers TN550 toner and put it into the printer and closed the cover. Everything clicked. Toner End Life message gone. I then took that Brother toner out and put the compatible one back in and still everything was fine. Am keeping the original Brother toner as a "kickstarter" if it happens again.

Mar 10, 2008 | Brother MFC-8460N Laser Printer

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