Question about Brother MFC-9840CDW Laser Printer

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Brother MFC-9840CDW. I have just put in a new Drum, Belt unit & Waste Toner unit along with all new genuine toners. I have done all the resets for the Drum & Belt Units. Now it wont allow me to print anything colour. Any assistance is appreciated

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  • 17 Answers

Two things to try out.
Probably the easiest thing to do is to check the printer driver settings on your computer. Your printer driver has the option of printing in color or exclusively mono (black and white). Since your printer is printing, but only in mono or black mode, it seems like the printer driver would be the first place to start.

Secondly, it is possible through the web interface for the printer to specify that the output color is Auto, Color or B&W. It's possible you might have inadvertently changed this while you were resetting your machine after installing the replacement parts. (one can also do this through the Menu settings)

Go to the web interface by typing into your web browser
http://xx.xx.xx.xx, where xx.xx.xx.xx is the IP address of your printer. You may need to logon to the printer through the web interface. I believe the default password is access.

You should find an option for Printer Settings. Mine is in the right hand column near the top, Click on that link.

You might also try typing in the following link where xx.xx.xx.xx is the IP address of your printer. http://xx.xx.xx.xx/fax/printermain.html?id=outputcolor

The leftmost tab for the Printer Settings is Output Color. Make sure that Output Color is set to Auto rather than B&W. If it is set to B&W, you will not be able to print in color.

Hope this helps you out.

Posted on Oct 23, 2013

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SOURCE: Brother MFC 7420 Paper Jam

After changing the drum, toner and running around town for days trying to find a reliable place to get this printer repaired, I realized I was spending a lot more money than what the printer actually costs. the drum was over $100, toner was $80, and the printer is $250. I bought a new one, and I can now use the old one for parts.

Posted on Jan 16, 2008

the kowalski
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SOURCE: BROTHER MFC 7820N MACHINE PUT IN NEW DRUM, CHANGE

To manually reset the counters, do the following:

  • Open front cover, press "option".
  • Answer Yes (by pressing 1) to the question in the display.
  • Your drum counter is now reseted. Press "option" again.
  • This time, press *, 0, 0.
  • Your toner counter is now reseted too.
(If nothing happens when pressing option, try using the back/clear button instead.)

Posted on Jun 15, 2009

Patzky
  • 240 Answers

SOURCE: Need to reset parts life for belt unit, replaced

Hello mstjean,

You can access the reset menu by pressing the 3 and 9 button at the same time.

Posted on Mar 25, 2010

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1 Answer

What is no waste toner on mfc-9840cdw


The 9840 uses a WT100CL cartridge for collection of Waste Toner.

If you remove the Drum Unit then the Plastic Sheet (Transfer Belt) like thing the Waste Toner sits underneath this. Lift out the waste toner and replace it or put one in if it is missing.

Put the Transfer Belt and Drum Unit back in. Close the machine and away it goes again.

Oct 01, 2014 | Brother MFC-9840CDW Laser Printer

1 Answer

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

2 Answers

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

3 Answers

How do I reset the waste toner box in my MFC-9840 Brother printer? (without purchasing a new one)


1. 2. -> unscrew

shake to empty
http://s14.directupload.net/images/130409/awjs9m88.jpg

7342e659-35b1-40f4-be39-834ffba66221.jpg

Jan 07, 2010 | Brother MFC-9840CDW Laser Printer

3 Answers

Reset the drum counter on Brother MFC-9840CDW


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.

Jun 27, 2009 | Brother MFC-9840CDW Laser Printer

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