Question about Brother IntelliFAX 4100 Laser Fax

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Black Line right side 1 -1/2 inch

When I make a copy or send a fax a black solid line comes up on the right side 1-1/2 inch. I have three printers the same, one is connected to computer and other two are are not connected to printers. The broken ones work fine as printer, just cant copy or fax out with them, I have followed your instructions for the other user with the same problem. None of this works, rollers look fine, I have cleaned them and the scan plate several times. (I think this problem might have started with a paper jam, could this have anything to do with it?) Have changed drums, toners, nothing fixes it.

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  • DebbieG Sep 23, 2007

    Still the same, changed drum only, Thank You for trying

  • mperezii Mar 07, 2009

    Having the same exact problem...
    Has anyone been able to correct this issue without paying hundreds for service?
    Any help/advice is welcomed.



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  • 163 Answers

Please change the drum only

Posted on Sep 22, 2007


Internal mirrors are dirty, need service tech to clean.

Posted on Sep 28, 2007


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1 Answer

I keep getting a black line about 2 inches along the right side of the paper if copying as well any faxes sent are also getting that blac line. Brother fax machine intel 4750e

Well you said the Lines are present when you are copying and when you are sending from the fax unit. Copying and sending functions both uses the scanning unit. What you lift open the document feeder for original documents. In there you should see rollers and a glass. clean this glass with cotton swab and alcohol for left to right the entire glass. Close the unit and try copying or sending, documents should now be clean.

Apr 04, 2011 | Office Equipment & Supplies

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My Brother Intellifax 4100 sends faxes that appear with a solid black line on the side--i think it's the right hand side. It prints copies the same way. How can I fix it?

if the faxes going out have the line but coming in print out clear then the glass at the document feeder is dirty and probably needs cleaning.. check under the feeder cover and look for a glass piece where the documents go in this picks up dirt and typex and when it scans the document it thinks its on the original.. a soft cloth and some glass cleaner should clean it off..

Jul 11, 2010 | Brother IntelliFAX 4100 Laser Fax

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A Solid black line down the left side of the page

It could be 2 things...

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Jan 21, 2010 | Brother IntelliFAX 4750 Plain Paper Laser...

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Every time I fax or copy a perfect sheet of paper both the fax received and the copy have a 2 inch wide solid black line on the right. How do I fix the machine?

Have you tried replacing the ribbon cartridge? If that doesn't resolve the problem, then there is a fault with the thermal imaging head. You did say both Recieved faxes and copies, correct? If faxes you send out are clear, then the above mentioned would be correct. Let me know, please.

Oct 12, 2009 | Brother IntelliFAX 1270E Plain Paper Fax

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When sending a fax, black lines runs thru entire fax, what to do?

Clean off the glass where the paper runs through.You have some dirt or other substance that is blocking the light for copying or faxing.

Apr 20, 2009 | Canon PIXMA MX310 All-In-One Printer

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Black line about 1 1/2 inches wide down side of faxes or copies

if your RECEIVED faxes look good, then leroyal is dead on. you will need a new CIS which stands for contact image sensor. if you have an authorized brother service center nearby, they may be able to do it for 100 to 150.00, depending on their pricing of course. if rec'd faxes are bad also, pull drum out and make sure the blue tab on top of drum is all the way to the right side, although that usually only leaves about a 1/2" black band.


Jan 27, 2009 | Brother IntelliFAX 4100 Laser Fax

1 Answer

Same black line on right side problem

take out your drum unit and make the blue plastic corona wire cleaner on the drum unit is pushed all the way over to right side. see if that helps.


Dec 30, 2008 | Brother IntelliFAX 4100 Laser Fax

1 Answer


Does it also leave the line when you make a copy? Lift the lid and make a copy cover up. If it is there on the copy then most likely your scanner needs to be cleaned. If it isnt there when you copy, let me know we will go from there.

Dec 08, 2008 | Xerox WorkCentre M15i Laser Printer

1 Answer

1 inch black stripe down edge of page

can you try to post a copy of what you see wrong . and try to do an internal printout " function-6-4-start- under the fax button. "

Nov 21, 2008 | Panasonic DP-150FX Laser Printer

1 Answer

Black line down right margin

Have you tried a new toner and drum unit? if not please do so. If that doesn't work then it is a scanner lamp failure and will need replacing.

You can fix it but trying to obtain this part for such an old machine will be hard. Don't know the part number sorry.

Thanks J

Jan 30, 2008 | Brother MFC 8500 All-In-One Laser Printer

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