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

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I replaced toner and drum. Still get change drum soon and now I get a black line at the left edge of the paper

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To reset the counter you open the front door and press the options button, it will ask new Drum? answer yes and you are done

Posted on Jul 22, 2009

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You have to reset the counter. Stop a print or copy job with the paper still in the unit and see where the line comes from, ie fuser transfer etc.

Posted on Jun 23, 2009

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1 Answer

I get a black line about 3mm from the right hand edge and faint specks which look like they have been created by a wheels but are much more concentrated on the lower left hand side. Do I change the fuser...


Vertical lines and evenly spaced marks are typically caused by damaged drum. The drums are usually in the toner cartridges. If you think its coming from a a roller or wheel you should be able to just clean off the roller/wheel. The fuser is simply what melts the toner into the paper so I doubt that is your issue.
Try cleaning the rollers and wheels. If that doesnt help replace the drum/cartridge if they are combined.

Sep 03, 2011 | Lexmark C510 Laser Printer

2 Answers

Toshiba 2860-changed Toner cartridge-black line on edge of copy


Hi there

send a print / copy through the machine stop the machine via the main switch before toe paper has come out remove the drum unit
you should now be able to see part of your print on the drum if you can also see the black line check for obstructions in the light path if these seem fine the chances are the dev or cleaner blade seals have spung a leak ( time to replace the drum cartridge


Regards Al "alstech"

May 26, 2009 | Toshiba 2860 Copier

1 Answer

Poor copy quality - lines on paper


Hello sir; The problem is caused by drum cleaning blade, you need to replace drum cartridge or drum blade if you can.

Jan 23, 2009 | Canon NP 6551 Black and White Copier

1 Answer

Black lines on paper


The problem is either with your black toner cartridge or the drum. Try changing the black cartridge first, and if this doesnt work then you will need a new drum

Dec 11, 2008 | HP LaserJet 2550L Printer

1 Answer

Black smudge marks along left side edge of paper.


Its probably a defective toner. If the film on the toner drum is scratched it can cause toner to stick to the drum everytime it spins causing the constant marks.

Jul 08, 2008 | HP LaserJet 1320 Printer

1 Answer

Konica Minolta Magicolor 2430DL--black line on right side of paper


Sry but you have to change drum cartridge, the line is caused form drums cleaning system, and it cant be repaired.

Oct 18, 2007 | Konica Minolta magicolor 2430 DL Laser...

1 Answer

PAPER FEED


the drum of toner crtridge has expired chande the drum if available,otherwise change complete toner cartridge

Sep 17, 2007 | Canon FAXPHONE L80 Laser

1 Answer

Colour lines across the page


Hey Paul, Can you post a scan of the printed paper? It may help diagnose your problem. The most common cause of lines accross the page is either the PhotoConductor Unit or the 2ND BTR Assy.

Nov 30, 2006 | Epson Aculaser C1100 Printer

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