Question about Brother MFC-7440N Laser Printer

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Clean the corona wire - Brother MFC-7440N Laser Printer

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You need to pull out the drum unit and flip it upside down. On your right there will be a small green rectangle that with an arrow that points to another arrow on the drum. Slide the green rectangle all the way to the left and back so it is still pointing at the black rectangle. That is all there is to it.

Posted on Aug 26, 2010

  • lq0901gm Oct 27, 2010

    I have already done this and the error message is still there.

  • ECGREG Oct 27, 2010

    Hello,

    I looked up this error and got the following information from another site. I have not done this with my Brother Printer, but it may work for you.
    from:http://www.fixyourownprinter.com/forums/...

    "Well I'll give some more advice since I work on these alot. Yeah that blue tab doesnt really do the job. Ive always used a damp Q-tip to clean of the coronas just be carefull not to break it, the corona, and that its not damp enough to drip on the drum and use the dry end to wipe the corona back off and clean off the charge grid underneath once again just be careful not to press to hard becuase of the drum underneath. There is an actaul service note on a few of these machines to check the contacts in side the printer on the right side of where the drum and toner sit. you should see three metal springs sticking out the side and they should all look the same in shape and size. Wouldnt hurt to wipe them off either just be careful not to bend."

    ECGREG

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1 Answer

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I'm sorry to tell you, this is likely a drum issue.

You probably need to have a certified engineer examine the machine.

Have you tried speaking with the local service center to see if they have experienced similar issues? It might be free information.

Erik.

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