Question about Brother MFC-9840CDW Laser Printer

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Changed the printer Drum now the copies look like

Changed the printer Drum now the copies look like they are smudged with black. How do I correct this??

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First replace the toner cartridge. If this fixes the issue then you can try and clean off the old one and get it serviceable again.

If not and the problem persists then make sure that you did not spill toner on the fuser itself. Some printers have a cleaning routine, if not you can just print a picture on a full 8.5x11 page and make several copies until they clear up.

If neither of these solutions work. Make sure that the drum was installed correctly and that you installed the correct model drum for your printer.

Posted on Sep 30, 2009

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If the drum was stored in a location that's too hot the drum could be damaged, if it's a generic replacement drum, you need to return for another or credit. If you can put back the old drum and you don't get the smudges, you just got a bad drum.

Posted on Sep 30, 2009

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1 Answer

Leaves black marks on copies


It could be leaking toner from the recovery area that sis on top of the dum, it removes any toner that was not transfered to the paper. You would have to remove it and empty out the toner.

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When i first start my copies on my brother dcp 1000 they are clear by the time i get to copy 20 their are dark ink smudges on the paper. It seems when the copier starts heating up they smudges happen. I...


replace the drum,
( if you have used correct toner for refill because some time it happens if two different type of toner mixed up hence assuming that you have select gud toner).


vote me if found helpful.

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After changing toner on my sharp, SF-2022 copy machine, the copies are coming out with black smudge marks across the paper? how/where should i clean?


This means the machine is over-toning ie using more toner than required caused by either improper toner or different brand of toner. The correct toner is sf 222T1. Replace developer and use the right toner and clean the drum and its blade. You may need to clean fuser rollers for cleaner copies.

Nov 13, 2009 | Sharp Office Equipment & Supplies

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The image is smudged only on black. We have cleaned it as best we can using the manual instructions but we still have smudgey copies.


Sounds like you need a new black drum. If the smudge looks the same each time, you may have something on the drum that can be cleaned off, such as adhesive from a label. If that's the case, you can sometimes get away with cleaning the drum with a soft cloth and rubbing alcohol if necessary. Alcohol will leave a void spot for few copies, but will eventually go away unless the drum is really old, then it may not.

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Black lines or smudge marks\running down the prints


Hello sir;The streak line from printing also should be from copy, because the line come from imaging unit, check the meter count if close to or over 50,000 then replace drum and drum blade, it will take care the problem.
The brother printer you need to replace imaging unit( drum unit).

Jun 01, 2009 | Brother Office Equipment & Supplies

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Smudges on paper and ink is light when it does copy correctly.


It sounds like your drum unit needs to be replaced. Do the smudges look characteristically like a finger print? Technicians have a rule of thumb. Replace your drum, developer compound and general service the machine as often as you service your car. Assuming you do service your car as often as I do, it should be after every 25,000 copies. If the machine has never been serviced then its time you did.

May 25, 2009 | Sharp AR-5320 Black and White Copier

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Drum on the copier (Richo 220) is covered in toner?


Yes, replace the photoconductor (drum) unit . You can contact Ricoh directly, or a dealer.

Mar 20, 2009 | Ricoh Office Equipment & Supplies

1 Answer

We get "dirty" black and white copies, with smudges on the paper.


could be a few items, transfer belt, developer cartridge, next thing I would change is the transfer belt

http://www.websitetoolbox.com/mb/copierquestions

Jan 23, 2009 | Ricoh Aficio CL7000 Laser Printer

1 Answer

Black smudge streaks on rightside of printed/copied material


Can only be two things the drum or the fuser. More than likely drum they last about 4 toners i think.

Learn the art of getting a page to stop halfway threw printing, you want to stop the page after the drum has put a image on the paper but before paper has gone threw the fuser (hotbit).

Once you have mastered the position correctly by stopping the printing by opening the door and removing drum/toner cartridge, to reveal the paper that is printed but can be rubbed off, we will know if marks are coming from the drum (you will see them) or from the fuser, if print is fine.

Dec 17, 2007 | Brother MFC 7420 All-In-One Laser Printer

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