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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Re: Black Line right side 1 -1/2 inch - Brother IntelliFAX 4100 Laser Fax Fax Machines

Please change the drum only

Posted on Sep 22, 2007

Re: Black Line right side 1 -1/2 inch

Internal mirrors are dirty, need service tech to clean.

Posted on Sep 28, 2007

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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

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It could be 2 things...

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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.

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Oct 02, 2009 | Brother IntelliFAX 4100 Laser Fax

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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

2 inch vertical solid band on right side when making a copy

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Here is a link to the manual and a description on page 74 showing how to clean the glass.

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1 Answer

Same black line on right side problem

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Dec 30, 2008 | Brother IntelliFAX 4100 Laser Fax

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