Question about Brother MFC-9840CDW Laser Printer

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Just replaced the drum unit for Brother MFC-9840CDW and i am still getting an error message which reads: change parts - drum unit & belt. Copies can be made however they are very light... i have reset the ink toner cartridges in the menu display and also ran a calibration mode from the menu... any ideas?

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Brother MFC 9180 change drum soon

Posted on Dec 11, 2010

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Hello,
after replacing the drum unit, you have to resetthe drum unit count.

To do so:
Press the Menu button, and then enter the number 84 to access the Reset Menu. Press the scroll keys until Drum is displayed and press OK.Drum unit will reset the page count to 0 and you can start printing withouta problem.

Posted on May 10, 2012

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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

3 Answers

I am getting the message print unable 28. I just replaced the drum unit. What is wrong?


The error means there is an issue with the black/yellow drum drive motor. Try taking out the drum unit and first see if anything broken within the drum unit. If drum unit looks OK you will probably have to replace the motor.

Mar 08, 2014 | Brother MFC-9840CDW Laser Printer

1 Answer

How to remove shadow on prints - Brother MFC-9840CDW


Call on Brother technical support number 1-800-243-0019 Toll free. And get Instant support for your Brother Printer from our Brother tech support team?

Apr 14, 2017 | Brother MFC-9440CN Laser Printer

1 Answer

What does a belt life ends soon mean, on a brother MFC 9440ch color laser printer?


Are you sure of the error message? The Brother printers that I have used have Drum Ends Soon and Change Belt messages.

The Brother MFC-9440CN has a belt that can be replaced. The Belt unit has an life expectancy of ~50000 pages. The belt unit is part BU100CL and costs a bit over $150 at office supply stores. Amazon.com and some other stores have the unit for under $100. http://www.amazon.com/Brother-BU-100CL-HL-4040CN-HL-4070CDW-Series/dp/B000SC245E is one source.

When the unit says Change Belt Unit, follow the directions from the manual's maintenance section to replace the belt unit. See page 178 (page 189 of the PDF) http://welcome.solutions.brother.com/BSC/public/files/dlf/doc002252/mfc9440_usa_usr_b.pdf . You have to remove the Drum and then the Belt Unit. Then slide in the new Belt Unit and replace the Drum unit. Then close the printer and turn it on. Finally reset the counter from the Machine Info sub menu (press Menu 8 4 and select the Belt Unit and press OK. Then press 1 followed by Stop/Exit).

If you mean the Drum Unit, that is part DR-110CL and costs over $175 at the office supply stores. Order this part when the Drum End Soon message appears and replace it if the print quality deteriorates (or when you have the new drum). The Drum Life is ~17000 pages. The steps start on page 166 (182 of the PDF). You need to remove the old Drum unit. Then remove the toner cartridges from the drum. Prepare the new Drum Unit, including putting the cartridges in the new Drum. Then replace the Drum unit and reset the counter.

I hope this helps.

Cindy Wells

Jun 04, 2012 | Brother MFC-8460N 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

Print unable 32 error message


The message "Print Unable 32" or "Machine Error 32" will appear on the LCD display if paper or labels are stuck inside the printer or drum unit.

Follow the below link to fix Print unable 32 error message on Brother MFC-9840CDW Laser Printer

http://tinyurl.com/print32
All the Best...

Dec 09, 2010 | Brother MFC-9840CDW Laser Printer

1 Answer

Drum error message


here is the instructions: http://welcome.solutions.brother.com/BSC/public/as/za/en/faq/faq/000000/000100/000054/faq000154_034.html?reg=as&c=za&lang=en&prod=mfc9840cdw_all&Cat=7

Jun 08, 2010 | Brother MFC-9840CDW Laser Printer

2 Answers

Error message print unalbe 23


This message means you have a Drum drive motor failure, for either the black or yellow Drum unit.
Check for a seized opc drum.

Apr 14, 2010 | Brother MFC-9840CDW Laser Printer

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