Question about Brother HL 1440 Laser Printer

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Brother MFC 7420,SAYS DUST ON DRUM,TRIED TO CLEAN BUT NO JOY

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  • swolfe66 Oct 13, 2008

    I have the message, Dust on drum, remove and clean carona wire. I have cleaned the drum very carefully with a soft lint free cloth used for cleaning optical lenses, genbtly cleaned the corona wire using a non-flammable cleaner, and still I get the same message. I have a total of three drums and two of the three, when installed gives me the Dust on drum message.

  • Anonymous Nov 22, 2008

    Millions of times of the same problem...But I found that even though I just took the whole drum unit out of the printer, did nothing, and then put it back into the printer, it worked again. Even though it would happen after printing, like 10 pages.

  • jswank1 May 11, 2010

    I have the same probelm. What all needs cleaned when getting this message?

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If you have cleaned the corona wire & still get the message it's probably dust around the sensor.

Take the drum out of the printer, remove the toner, put the drum itself immediately into a black bin bag (drums are sensitive to light and should not be exposed for more than a few moments at a time) then get a compressed air pump (the small electric DIY ones you can buy for your car tyres are ideal) and using the most suitable attachment (i.e. the one to blow up footballs or airbeds), keeping the drum in the opened bin bag (to catch the dust and minimise the light, blow all around the corona wire area, particularly at both ends where the contacts are and while you are at it you can blow the rest of the drum to remove excess dust etc.

That should cure your problem but if not, get a large hammer and have a bit of fun then go out and buy a new printer - the heatache isn't worth it !!

Posted on Feb 14, 2010

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  • Expert
  • 56 Answers

Dust on drum is an issue with the corona wire. Use the blue tab on top of the drum unit. Slide it back and forth 10+ times and this should correct your issue.

Good luck!

Posted on Jan 15, 2009

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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


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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.
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Dust on drum is an issue with the corona wire. Use the blue tab on top of the drum unit. Slide it back and forth 10+ times and this should correct your issue.

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I am getting a light duplication on my copies half


The duplication problem can be either the drum or the fuser. Most likely your drum needs to be replaced. If you can measure the distance between the first print and its duplicate I might be able to help more.

thanks adi

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First you need to clean up the drum and inside the printer.
after that if still jamming paper.
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if possible, please chang the drum and that should be working fine.

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