Question about Brother MFC-8440 All-In-One Laser Printer

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Black Streaks Everything I do (fax, print, copy) results in a paper with a solid black streak down the middle. The copier has been saying replace drum soon for one year, so I have learned to ignore that, but could that be the actual problem now? The streaks only started 3 days ago. It also now says toner low, but that started yesterday, two days after the streaks, and it has never done this before when low on toner. If the cartridges weren't so darned expensive, I would run right out and get one.. But the machine is about 5 years old and might be dying, so I'd hate to spend 100.00 to find out it won't fix the problem. Any help would be greatly appreciated.

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Pull drum unit out and clean corona wire by sliding blue plastic tab from side to side, making sure you put the tab back on the side that it was. if that doesn't take care of problem, then i would say you need a new drum unit.

razors

Posted on Jan 29, 2009

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Hi, My Canon 3245 Imagerunner is streaking.


Hello,
First, the streaks appears when copy from glass or adf, when printing or all?

Solution #1:
How many copies did you do from last drum changing? if over 80 000 copies, replace the drum unit.
-in case that streaks appears when copy and print

Solution #2:
If the streaks appears only if you copy from adf or glass, clean the glass and dry it out. Both glasses, narrow on left side beneath the adf/cover and glass for copy of original.

Solution #3:
If the streaks are wide and solid, with possible toner left overs, you need to replace fixing film.

Hope that helps!

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Printing black


Hello,
is the copy/print full black or have streaks or have dots, or ...

First, remove the toner crg., and check the drum surface if it has toner leftovers or spots or streaks, or... if so replace the toner crg.

btw. It also can be the fixing unit, but if these is the problem then the toner will not be "baked" on paper and it can be wide solid black stripe on corner.


Hope that helps!

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Papers come out with black streeks on them from my sharp FO 4450


If everything is coming out with streaks, it's most likely your cleaning blade which is part of the drum cartridge. I've also seen this from 3rd party toner. Get Sharp toner for your Sharp fax if you don't have it already. If your black streaks are only on copies and sent faxes, this indicates that your scanner is dirty. It's located where you feed your paper in. Lift this part up and you'll see a strip of glass running front to back about 1/2 inch wide. Clean it and that will get rid of lines.

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

Aug 20, 2009 | Brother Office Equipment & Supplies

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Ok. You will likely need a new toner drum or cartrige. (usually you need the drum)

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Dirty copies.


Does this streaking problem occur when printing (not copying)? If it does then you are probably looking at a consumable issue. Alot of times black streaking is caused by a defective or spent drum. Is your drum new? There is also a blue piece on the drum unit used to clean the corona wire that cleans the drum. Have you tried moving it back and forth several times?

If the problem only happens when copying and the streaks are as bad as you make them out to be then you problem have a bad CIS unit (scans your originals for faxing or copying)

Inkworks
866-381-0541

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2 Answers

Black streaks on paper when printing message


That green bar is the drum unit. Black streaks are indication of bad drum. Replace drum unit. Don't wait too long or it will ruin the fusing section as well from excess toner build-up. Big bucks!

Please do not forget to rate your replys please.

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