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Brother mfc. I made the mistake to use canned air to clean copier which got into my drum and made black streaks on my paper I keep cleaning the black streaks off the drum but when i put it back in i have streaks again

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First clean the glass of the laser.If you open the front door remove the drum from the machine just above were the drum was in place there is a glass mounted.Try and make a test print.If the streaks is still printing and you can see the streaks is deffinately from the drum you can strip the drum,clean the corrona wire and grit,and clean the drum brush.Strip only the drum unit if you sure the lines is caused by the drum.

Posted on Dec 12, 2009

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1 Answer

What causes brother mfc-9840cdw scanner streaks?


optics, open up and just clean every thing you can get at, a streak, will be dust in optics, clean mirrors etc, if very fine lines on every thing, as you say laser printer, would be drum damage. just on scans dust. might need to take top glass plate off.

Jul 29, 2014 | Brother MFC 9700 All-In-One Laser Printer

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Black streak down paper on HL 3170 CDW printer


Check the drum cylinder for a) a clot of fiber inside the corona wire channel; b) a groove worn into the surface of the coating. If those OK then check the fuser (inside at the back). Look for either a dirty fuser sleeve or a shiney track worn through the coating on the fuser. Dirty can be cleaned - shiney cannot be fixed

May 12, 2014 | Brother International Brother HL-3170CDW

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My Brother MFC-7420 Printer always prints black lines and splotches down the left side of my paper. This happens whether I'm scanning or printing from my PC. When I looked at my drum, it appears a


If you are seeing vertical streaks/black lines your primary corona wire is dirty and or the fax scanner may be dirty.
1)To clean the corona wire you take the drum unit and toner cartridge and place it on disposable paper to avoid spilling.
2) Clean the primary corona wire inside the drum unit by sliding the blue tab from right to left several times.
3) Return the blue tab and snap it into the home position.
4) Reinstall the drum unit and toner cartridge.
5) Close the front cover.
Caution: if you do not return the blue tab to the home position it may repeat the black lines.

Nov 29, 2012 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

Does the Brother MFC-440 CN have a roller or drum? We are getting lines on our copies when we copy by inputting the papers in the feed tray.


The first thing I would try is to fix the corona wire. Here is a link to Brother's website outlining the process (clean corona wire).
What you need to do is pull out the drum and look for a blue tab on the top of the cartridge. Slide that tab back and forth along the wire and see if that clears things up.
I have had some luck cleaning the drum when I get black streaks but I have also hear this can be dangerous and make the problem worse.

Feb 25, 2011 | Brother MFC 420CN All-In-One InkJet...

1 Answer

BROTHER MFC-7220 When I print paper comes out with black line on right hand side of the paper. Its like somebody took a black marker and ruler and made a straight line from top to bottom.


The first thing I would try is to fix the corona wire. Here is a link to Brother's website outlining the process (clean corona wire).
What you need to do is pull out the drum and look for a blue tab on the top of the cartridge. Slide that tab back and forth along the wire and see if that clears things up.
I have had some luck cleaning the drum when I get black streaks but I have also hear this can be dangerous and make the problem worse.

Aug 20, 2010 | Brother MFC-7220 All-In-One Laser Printer

2 Answers

Drum cleaning function doesn't remove toner spots


Did you check:
1) are there wisible marks on drum - like spots, streaks,... if no, first check the copie glass if it appears when you make copies.
2) does it appears when you print too? If yes, also check the fixing unit for spots, ... , but if there is also on drum, that means that the cleaning blade is deformed on some places ( the place where the toner streaks are ). You can use some paper A4, fold it on half and ran it beetwean the drum and cleaning blade.
But if the blade is too heavily worn out, the best solution would be to replace drum unit.

Hope that I helped even a little bit.

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

1 Answer

I have a Brother MFC 8440..the paper has vertical black lines


Try changing the toner, if it's generic that's your problem, and if it's either an old brother drum or a generic you may need a new one. There is also a glass to clean, it's right above where the drum sits inside, 1/2 inch wide across the top. Wipe with a dry cloth.

Sep 14, 2009 | Brother MFC-8440 All-In-One Laser Printer

2 Answers

Copier, Printer black streaks on copy or all black page


Hello sir; Either drum cleaning blade or drum cartridge needto replace.

Aug 20, 2009 | Brother Office Equipment & Supplies

1 Answer

I have a BROTHER MFC- 8860DN that makes black streaks on copies


If this is only happening with copies and not straight prints, it is possible that the problem is with the scanning unit. Use the soft cloth to clean the scanner area to the left side of the machine where pages are scanned when run through the page feeder. A spec of dust or other debris in this area will appear as a streak along the length of the page.

If it occurs on all prints, You may need to replace the drum or clean the fuser unit.

May 29, 2009 | Brother MFC-8860DN All-In-One Laser...

2 Answers

Black line


The problem could be the system and not the printer itself. Try turning it off, unplugging and then replugging and switch on try again. Sometimes this can reset errors. Post back if no go lilacgerry xxx

Jan 29, 2008 | Brother MFC 6800 All-In-One Laser Printer

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