Question about Brother IntelliFAX 770 Plain Paper Thermal Fax

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Brother intellifax 770 No Power? LCD is blank

Hi, came in yesterday, walked over to send a fax. The LCD screen is blank. Unplugged it, went over to another outlet that I know has power, plugged it in, and nothing. Same thing. Tried another outlet in another room. Same thing.
Any ideas?


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  • julieannora Jan 14, 2009

    I have the same problem. After plugging in, I heard typical startup sounds and the paper feed pulled the page I wanted to fax through, so I am confident that power is successfully going to the machine. But my lcd screen is also blank. I called Brother and after 10 minutes on hold and 10 more minutes going through the live-automated, guided response protocol, the service assistant told me there was nothing to do but take the machine to an authorized service center. Grrr! Are fax machines for the blind this complicated?

  • cathii69 Feb 22, 2009

    Hello, I have the same problem. My 770 has absolutely no power. I have tried several electrical outlets, but it does not turn on. It worked fine about three months ago. Has been unpluged ever since. Sure don't want to trash it, as I loved that little machine... when working... please help!

  • julieannora May 11, 2010

    I considered the power surge possibility and rejected it. We do not keep the fax machine plugged in unless in use. It worked the last time we needed it and it has been unplugged since then.



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I have the same problem: no LCD. Determined that the outlet was fine, but the machine did not respond when unplugging/plugging it in. Support said I needed to take it in for repair. Unplugged it, unscrewed the bottom plate, and found a blown fuse on the circuit board connected to the power cord (needed to gently lift it from its cradle).

Posted on Aug 25, 2009

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  • William Kizer Oct 29, 2012

    Bingo! Gentle does it, but there is the blown fuse! Big thanks to those who take the time to help others.

  • William Kizer Oct 29, 2012

    This fax machine was minutes away from the garbage can. I bought a 120 volt 5 amp fuse at Ace Hardware, popped it in and put the case back together. Plugged it in and it worked as good as new. I paid a Brother serviceman $75 to do exactly this 5 years ago. I would not have done that again. Thanks to all who chipped in their help on this.

  • Jerry Mortellaro
    Jerry Mortellaro Dec 28, 2013

    You hit the nail on the head , many thanks, it was just the fuse and would never have found it without your help!!!!


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Posted on Jan 19, 2009


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I have a brother 770 fax. When making copies or sending faxes the paper has long black narrow lines running from the top to bottom. Please help.

Hi There!
One reason why you're having a black line on the copies you make and faxes that you send it's because the scanner glass inside the fax machine is dirty. Here's what you can do to resolve you're issue.
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Once you're done cleaning, close the cover and plug it back in. Try to copy a blank sheet of paper and if you can still see the same line clean it again for about 3-5 times, Make sure to make a copy everytime you clean the glass.
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