Question about Brother MFC-9840CDW Laser Printer

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Reset the drum counter on Brother MFC-9840CDW

The drum unit was replaced because of immovable marks on one of the drums, not because it had exhausted its lifespan. I followed the instructions (Menu, 8, 4) to reset the drum counter, but I cannot get past 'Menu, 8'. (It only gives options 1-3). The drum life usage indicates a life of 64%. Does this mean I'll lose 36% of the life of the new drum? How can I reset the drum counter back to 100%?

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  • thevales Jun 29, 2009

    Many thanks -- the drum is now set to 100%

  • dan20171
    dan20171 Oct 07, 2012

    I have a similar problem and have tried pressing 3,9 but no additional menu appears. when exactly do you press the 3,9? What is the ready mode? when the light is green prior to entering into the menu?

  • marsha871
    marsha871 Apr 09, 2013

    Thank you! Why doesn't Brother have the correct instructions in its user manual?

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Press the 3 and 9 button at the same time in ready mode.

then the reset menu will appear, press the up or down arrow until you get to drum.

press ok,
and select 1 to reset or 2 to exit.
it will return the ready state and your done.

Posted on Jun 27, 2009

  • 2 more comments 
  • pocopri Dec 08, 2010

    many thanks.... we found that this fix only worked when in the scan mode

  • Ron Lins Feb 01, 2011

    Perfect....Worked in the Fax mode. Was already set on Drum once I entered into the menu. My question remains on counting the number of copies printed before receiving the "low toner" on the LCD....??

  • john36266
    john36266 Sep 03, 2012

    worked - thanks! Had this exact same issue. The Brother manual was incorrect or out of date.

  • Sue Jackson Mar 15, 2013

    Thank you so much, I was trying to reset the drum unit counter and 3, 9 would not come up. I finally hit the clear/back button and 3,9 and the reset screen came up. Brother could not help me and said I needed to call a Service Center that is 200 miles from here. I replaced my unit because the shipping labels I was using left glue on one of the rollers and would not clean off so I decided to replace it and because it still have 20% of life left it will not let you reset. I called Brother and they made me fax them a copy of my receipt before they would even talk to me. Anyway, I am good to go until the next thing goes out.

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You can try opening the door and pressing clear back. I found this article hear about it. http://computerrepairchandleraz.org/wordpress/?p=8

Posted on Mar 15, 2013

  • Sue Jackson Mar 15, 2013

    I posted this above but should have posted the to Mark. Thank you so much, I was trying to reset the drum unit counter and 3, 9 would not come up. I finally opened the door, closed it and hit the clear/back button and 3,9 and the reset screen came up. Brother could not help me and said I needed to call a Service Center that is 200 miles from here. I replaced my unit because the shipping labels I used left glue on one of the rollers and would not clean off so I decided to replace the drum unit and because it still had 20% of lifeleft it would not let me reset the counter. I called Brother and they made me fax them a copy of my receipt before they would even talk to me. Anyway, I am good to go until the next thing goes out. Thank you again Mark.

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I am receiving an error message about toner end life. I replaced all toners, yet am still receiving the message.
Any help would be appreciated!

Posted on Jun 12, 2011

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  • katierainbow Jun 28, 2011

    you can reset the toner cartridges by press and holding clear/back
    select the colour you want to reset B = black C = cyan etc. reset + ok repeat for each colour that is showing as low, there are 2 entried for each colour, when resetting I go back in and do both. hope that helps!

  • Barbara Manning Feb 12, 2012

    Press and hold the clear/back button while in ready mode? or after entering the reset mode by pressing the 3 and 9 button together? I've tried both but don't get the colour menu you say will appear.

  • Barbara Manning Feb 12, 2012

    Press and hold the clear/back button from what menu. Ready mode or after pressing 3 and 9 together? I've tried both and don't get the reset menu you speak of.

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Reset the drum counter on Brother MFC-8950DW


To reset the drum counter on a BROTHER MFC-8950DW open the front cover, press the start '*' button on the keypad, the screen will show the reset menu, click drum, click yes, and you will get a message on screen accepted. The procedure listed in the brother manual for this machine is wrong and does not work.

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I have a Brother MFC-9180, it has a DR8000 in it. The machine come up on the display saying "Change drum soon" which I have done, the new drum did not come with a page to feed into the drum. I want to...


Did you reset the drum counter?
When you replace the drum unit with a new one, you need to reset the drum unit counter by completing the following steps:
  1. Turn the the machine's power switch back on.
  2. Press Menu => Machine Info. => Reset Menu.
  3. Press the Up or Down Arrow key to choose Drum.
  4. Press OK.
  5. Press 1 to reset the drum unit counter.
  6. Press Stop/Exit.
I hope this helps.

Or Try this:
http://welcome.solutions.brother.com/BSC/public/as/au/en/faq/faq/000000/002800/000037/faq002837_009.html?reg=as&c=au&lang=en&prod=mfc7220_us_as

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How do I reset the counter for the drum unit on a Brother MFC 9840-CDW. It says to replace the drum but the unit is printing flawlessly.


On the TN-155 toner cartridge, a mechanical 'flag gear' that will reset the counter for each individual cartridge when first 'triggered'.
After each page print, the appropriate counters are incremented regardless of toner content (that is why it is still printing 'flawlessly') and after a pre-determined count has been reached, you will get a warning to change the drum as is will then be notionally (not actually) empty.
Before you decide to reset the 'flag gear' on the drum, make sure you are not actually nearing the physical empty state ... it might be a wiser decision to purchase a refill kit which should come with instruction on how to fill and reset the 'flag gear' (this needs some dismantling of the drum cartridge) or buy a compatible or genuine toner drum cartridge.
In any case, Google 'Brother drum flag gear' for more information.
Good luck!

Sep 20, 2011 | Brother MFC-9840CDW Laser Printer

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How do you turn off the drum alert after installing a new drum on the MFC-9840CDW Brother Laser printer?


Hi,I think this guys can have more helpful information about your problem.See this link:http://www.quikshiptoner.com/catalog/brother-mfc-9840cdw-toner-color-set.html#resett_drum_manualview More Info button to see how to install the Drum unit. Pay attentionthat after replacing a Drum unit in Brother MFC-9840CDW you have to reset thecounter. See steps 9, 10 and 11 for doing so.9) Close thefront cover, plug the power cable back in and turn on the printer.10) Press the Menu button,and then enter the number 84 to access the Reset Menu.11) Press the scroll keys until Drum is displayed and press OK.
I hope this can be helpful for you.

Jan 15, 2011 | Brother MFC-9840CDW Laser Printer

1 Answer

The printer screen shows change parts and on the wlan computers connected to it says that the drum end soon and that panics me a lot as i paid a lot for this damn computer


Did you recently replace the drum and the warning is unexpected?

Why does the message "Drum End Soon" continue to appear on the LCD after I replaced the drum?
Description:
This message would continue to appear if the drum unit counter was not reset when you installed a new drum.

To reset the drum unit counter, follow the instructions below:
  1. Press Menu on the Control Panel.
  2. Press the Up or Down Arrow key to select Machine Info..
  3. Press OK.
  4. Press the Up or Down Arrow key to select Reset Menu.
  5. Press OK.
  6. Press the Up or Down Arrow key to select Drum.
  7. Press OK.
  8. Press 1 to reset the drum unit counter.
You can use this procedure to reset a drum in order to continue to use up the remaining 'life' of the drum; recognizing that you will need to replace the drum when you start having print quality issues.

You may find this site very useful.

Trust this is helpful. Please vote.


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you need a new drum. I have just the drum for 22.00 steven 818-888-0006

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