Question about Brother IntelliFAX 4100 Laser Fax
We have two Brother IntelliFax 4100 machines. They are used as standalone fax machines. We are not using the printer or copier features at all. 6 Months ago, one fax machine started faxing solid black pages. Reports print fine and there are no error messages, but the the receiver gets a full page of solid black. I assumed it was just some bad error, but the second machine started doing the same exact thing. Again, it prints fine and doesn't report any errors. The scan window is clean. Does anyone have any ideas? I found someone reporting a similar problem with a different model IntelliFax in Amazon.com reviews.
There are two possible solutions. Is the machine sitting on top of metal? The machine will send black pages when there is static charge. You can put a rubber mat under the machine or use a static guard. The second solution is to put the machine in maintenance and reset the scanner. Unplug the machine, put your finger on the menu key first and then re-plug the line while holding the menu key, in about 30 seconds all the lights will flash and the display will say maintenance. Release the menu Key and press 55 and this will reset the scanner; if scanner error comes up the machine will need to be serviced. Press stop and then 99 this will exit you out of maintenance. If the machine does not have an error try making a copy of blank sheet of paper and see if there is any improvement. As a routine clean the scanner glass with soft lint free cloth and isopropyl alcohol also.
Posted on Oct 05, 2007
Ordered a new CIS, part number LE7949001. removed the top cover, popped out the old and replaced the scanner. Two screws, and a few connectors and the Unit works fine. Replacement isn't difficult at all.
Don't be scared. Just grab your screwdriver and get to work.
Posted on Aug 28, 2009
The scan section works the same for the copy and scan for intent to fax. If the scan array (it's under the skinny glass in the original document feeder... the top part that open clam shell style) is bad, it will give you black copies as well as send black faxes. It's just not getting any light from the L.E.D.s to see the page. Try making a copy, if it comes out black then you need a new array. I have seen this array go out partially recently, causing black "skipping" marks on the copies. The up side is that its relatively easy to change out and may even be covered under the manufactures warranty.
Posted on Nov 15, 2007
The failed part is called Scanner Unit. In Brother terms, it is called CIS unit. The part number is LE7949001. Unfortunately, this is not a user replaceable part. For the adventurous and can shell out $70 plus shipping, Vance Baldwin (google that) sells the part. With a failed Scanner Unit, your Brother Multi-Function will be relagated to PRINTER ONLY mode.
Posted on Jan 17, 2008
Our solution was easy and free. We simply unplugged the cables and plug that come into the back corner of the machine. (black power supply cord and a couple of telephone jacks) We cleaned a bit of dust off the ends of the cables, blew any dust out from where the cables go into the machine and plugged them back in again. It's working great! Just unplugging alone to clear static didn't help in our situation.
Posted on Mar 19, 2008
You probably have the faxes in a room with carpeting. I'm not an expert or anything, but I had the same problem. It was a static build up. Unplug the fax machines for about 60 seconds and plug them back in. If this fixes it, then you will want to put the faxes on static mats. Let me know if this fixes it. firstname.lastname@example.org
Posted on Jan 30, 2008
Problem is not in the fax machine but with the scanning position. this is a very common problem. for starters, try Downloading the latest drivers and install, in addition, the following page may assist you: http://support.microsoft.com/kb/q189764/
Posted on Mar 14, 2006
I purchase new computer and i lost program to instal my printer
Posted on Dec 23, 2009
The part is called a Contact Image Scanner, it is a series of LED lamps that start to flicker or go out all together. Every time they turn off the fax sees that as a black image so that is what it prints. The CIS must be replaced to fix this problem. Contact Brother.
Posted on Jul 10, 2009
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Posted on Jan 02, 2017
It sounds like the CIS (scanner) has failed in both machines. Its no generally not a common problem. I would change one every six months if I was lucky.
It may point to something in your environment. I have have seen rust build up on the contacts of the scanner cause this problem. So if you have high moisture or are close to the ocean this maybe a problem.
Posted on Feb 14, 2008
unplug machine, press and hold down the "stop/exit" key while pluggung back in. continue to hold the button down for 5 secs, then release. if machine returns to the regular date/time display, you should be alright. if not, then you'll have to call brother or an authorized service center. this is usually caused by a fax stuck in memory, which this procedure should clear.
Posted on Feb 18, 2009
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