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Have the reciever make a COPY on their machine, you also do the same thing. Whoever is getting a black line on their COPY is the person with the problem. You dont give any make or models so its hard to be exact but.... open the feeder on the sending machine, there will be a thin **** of glass probably with some "junk" on it which is causing the problem, it may be almost underneath a roller, but not 100% on that as dont know make or model...if its the receiving machine its not your problem( unless your the receiver.)..but depending on make and model the drum cartridge could be scratched causing the line.
You have to determine if your FAX is the problem or the sending FAX has the problem. The first thing to do is make a copy or print a report. If it comes out clean you FAX is NOT the one with the problem. The sender has to get their optics cleaned.
On the other hand, if it's still "streaky" then your fax has a problem. First off remove the cartridge and look inside it, if you see toner get a can of compressed air (sold in office supply stores to clean keyboards) and blow out as much as you can. I suggest taking the machine outside the toner dust can make quit a mess. Make a few copies (5 - 10) to check it out. Each copy should come out with less misplaced toner.
hello, if you have already cleaned the contact image sensor, or cis unit, its located between both rollers when you lift up the top cover that has the buttons on it. sometimes, this cis/contact image unit fails, and will need to be replaced.
Is it when u send or recieve faxes!If on sending(open the part where u put in the faxes to sent!U will see a big black roller and under that a small black one,undeer that a long strip of glass,make sure that there's no marks of any kind on the glass!If recieving it might be on the fax that is sending the fax!Good Luck!
do a quick check on 2 things. - Copy a document(put a printed page on document feeder and press Copy button) , has the Copy come ok? if copy is also blank that means toner/ink problem, needs to be replaced.
- check with your Fax receive Print settings. is any setting of econo mode/ contrast/brightness Off the track? If found any of such issue then Reset it or put it on average (middle).
Is sounds like your exposure lamp is not coming on, put an original in the machine and make a copy, if you look where the original is coming out, you should be able to see a light illuminatig the original so the scanner can read the image. If this lamp is not coming on you will get a very dark to black image.
If it is just locked up is may be as easy as this. Turn off and unplug the machine for a couple of minutes, reconnect and power up the machine, make a copy. as the machins uses the same parts to copy you should see the result of your efforts.
If the copy look good, try a test fax to someone, and call them for confirmation.
If this doesn't fix the problem, then I suspect the exposure lamp unit has failed.