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

1 Answer

Showing drum error and replace toner low message all the time

MSC 7420 showing drum error message and toner low message all the time - do i need a new printer?

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  • Anonymous Mar 13, 2014

    replace toner after placing new toner

  • Anonymous Mar 26, 2014

    low toner message

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  • Expert
  • 133 Answers

Open the cartridge cover
push "option"
and push "00"
wait until the word "accept" then close the cover,
after that should be working perfectly.

Posted on May 22, 2009

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Posted on Jan 02, 2017

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1 Answer

How do i fix a brother mfc-7420. when it says toners life has ended. we have tried to put new toner and drum in it. with no help. we need to clear the message


check the paperwork that came with the drum unit. Usually there is a sequence you need to follow to clear the drum message such as starting the printer with the front door open. These instructions are shipped with a new drum when you buy an orignal brother drum. If you puchased a refurbished or 3rd party drum you need to talk to your vendor as they should supply these instructions.

Jun 23, 2015 | Brother MFC-7420 Laser Printer

1 Answer

My brother DCP 7055 shows eror replace toner


Some Brother laser printers have separate consumables - the toner cartridge and the drum unit. From time to time you may need to replace only the drum unit and not the toner cartridge.

The error LED lights up, or an error message shows on a flat screen panel, when the drum unit is near the end of its working life. Use the drum unit until you have a print quality problem, then replace the drum unit with a new one.

Jul 26, 2012 | Brother 1 Black Genuine Laser Toner For...

1 Answer

My printer says drum troubleshooting contact guide manual and maintence I did eveything but still not working


Hi there,
If the display shows drum error you can try cleaning it by following the steps below:
1. Open the front cover. 2. Pull the drum (black) and toner (gray) towards you, put a little force on it. 3. Remove the toner by holding down the tab on the side of the drum, then pull the toner out. 4. Use a dry lint-free cloth to clean the roller inside the drum unit. Make sure to remove any excess toner from it. 5. Put the toner back to the drum, make sure that it clicks, Reinstall the drum and toner back to the machine, 6. Close the cover.

If the display still shows drum error, go ahead and do the drum reset.

1. Open the front cover 2. Press the Options button on the control panel 3. The display should show "Replace Drum - 1. Yes 2. No 4. Press 1 to reset the drum count 5. Close front cover. The display should show the date & time
If still it shows drum error, The drum unit needs to be replace. After replacing the drum unit, do the drum reset again,
Hope this helps.

May 08, 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

3 Answers

Replaced Drum still says "Replace Drum Soon". How do I reset on a Brother 7420?


Reinstall the new drum unit, keeping the front cover open. Press OPTIONS. Press 1 when the display shows REPLACE DRUM? 1.YES 2.NO ACCEPTED. Close the front cover.

May 28, 2009 | 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

3 Answers

Toner/drum problems


This seems to happen some of the time. Brother has an FAQ for this:

1. Verify the toner cartridge is installed correctly by following the
steps listed below:

a. Open the front cover.

b. Lift the drum unit slightly and pull it out. Place the drum unit on
adrop cloth or large piece of disposable paper to avoid spilling and
scattering the toner.

c. Remove the toner cartridge from the drum by holding down the lock
lever (blue tab) on the left side of the drum unit and lift the toner
out.
*Handle the toner cartridge carefully. If toner scatters on your hands
or clothes, immediately wash it off with cold water.

d. Gently rock the toner cartridge from side to side five or six times
to distribute the toner evenly inside the cartridge.

e. Place the toner cartridge into the drum (be sure it clicks into
place).

f. Clean the primary corona wire inside the drum unit by gently sliding
the blue tab on the top of the cartridge from right to left several
times. Return the blue tab to the home position before reinstalling the
drum unit assembly.

g. Reseat the drum unit into the machine.

h. Close the front cover.

2. If the message "Toner Life End" continues to appear on the display,
contact Brother Customer Service at 1-877-Brother (276-8437) Monday
through Friday, 9:00am - 7:00pm EST, excluding holidays.

May 12, 2008 | Brother MFC 7420 All-In-One Laser Printer

2 Answers

Poor print quality like toner low, but toner quanity is fine.


this sounds to me like it could possibly be stemming from the fuser, this is quite common on fuser that use a thin film belt for the heat roller...

May 08, 2008 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

MFC 7420 always say toner low after you change new toner


1. Open the front cover door.
2. Press the "Options" button.
3. Type *00 on the keypad.
This will clear the error message.
Enjoy!

Nov 20, 2007 | Office Equipment & Supplies

5 Answers

Drum on Brother MFC-7420


Why does the message "CHANGE DRUM SOON" continue to appear on the LCD display of my Brother machine, after I replaced the drum? Description: This message would continue to appear if the drum counter was not reset when you replaced the drum. To reset the drum counter, follow the instructions listed below. Open the front cover. Press the Options key on the control panel. The display will show "REPLACE DRUM - 1.YES 2.NO". Press 1 to reset the drum count. Close the front cover.

Jul 27, 2007 | Brother MFC 7420 All-In-One Laser Printer

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