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if its just copies clean the small glass to the left of the large glass its called the slit glass and is usally about 12 inches long and 2 inches wide if it comes out on prints as well as copies its a drum or fuser check to see which is bad another way to test if its the slit glass make a copie from the large glass if no line its definatly the sit glass
Send a print to the unit, open printer when paper is in drum area (guess and open a door or turn off, to stop the printer) open carefully, remove carefully and look at the paper, are the lines there, pull drum unit, flip open drum protection door if equipt, and look at the partial image on it, If the lines were imaged on the drum, replace drum unit. No marks on drum or paper yet, posible the fusing section roller is damaged and marking pages. Stop test will show where defect starts.
Pop open the fax document feeder, and look for a glass strip about 1cm wide, that runs from left to right across the machine. You will probably see a few spots of dirt, or more commonly, a blob of white liquid paper stuck on the glass, on the side of the machine that corresponds to the black lines on your fax. Clean this glass strip gently, using a soft cloth dampened with a mild detergent. I often use diluted windex. You may need to scrape liquid paper gently with your fingernail. Close the cover.
Next, put a blank sheet into the feeder and make a copy of the blank page. If you have cleaned it properly, the copy will be blank as well. If you still have a line, align it with the feeder and use this as a guide to show you where the glass may still have some **** stuck on it.
Clean the optical section(glass,mirrors,lems)Verify the paper dust on the edge of the cleaning blade,if the OPC drun scratched or the fusing hot roller scratched.Press the cleaning blade release lever down several times.Make a copy and stop the machine when the paper reaches the transport section.If the lines appear replace the OPC drum.After replacing the drum perform the Drun initial setting,Light Intensuty Adjusment,ADS voltage adjustment,Vsg adjustment.
*** NOTE*** does machine have an ADF (auto document feeder)? Are you
feeding the paper through the ADF to make copy? IF machine has ADF and
you get the lines from that, place original on the glass and make copy.
Does the copy have the lines? If so continue. If not lines then clean
the '**** glass' ( thin small glass that the original is pulled over in
the copy/scan process. This is under the ADF.
Next, if problem not rectived, it depends on how the paper is fed ( comes out of the machine). Let us say that the paper cover out of the machine 'letter' or ' portrait' and you look at the copy --- the lines are from left to right on the copy, okay. These lines could be from the fuser ( the hot area), pull the fuser out and look at the fuser rollers. Do the fuser rollers have lines -- if so then the rollers need to be replaced. If not then you are looking at the drum / transfer unit. Probably a blade is bad and will need replaced. To tell whether it is drum or transfer -- start to make a copy and open the front cover as to stop the paper in mid-stream. This way you can tell which unit has the problem. NOW -- lets us say that the paper is coming out 'letter' again but the lines are from Top to Bottom. You will also want to look at the drum and/ or transfer units. This would but a 'stall' or 'blade skip' problem. Again, start to make a copy and open cover in mid-stream to see which unit has the problem.
If the drum unit is the problem, replace blade and maybe drum. IF the transfer unit is bad, replace transfer blade, roller and maybe the transfer belt ( if belt is present). Some transfer units use belts and other rollers.
If the blank ink still cames in the printer means that their still ink inside the cartridge, kindly check if there are papers left inside the printer when it was removed if there is you have to take it off.
Turn off the printer, delete the remaining files that is to printed on the printer dialog box by just double clicking the icon found at the bottom of the task bar.
Turn on the power of the printer, have a printer test to test if the pritned copy is good. Clean the head, or the nozzle of the printer at the maintenance tab.
If the problem still arises means the head align was damage or mess align that happend when the paper was remove forcely.
One way to tell is to take out the toner cart and shake it, reinstall and test run. If it comes out better you may be running out of toner in the cart and will need to replace it shortly. The drum and toner cart on this machine are in the same unit.
Hope that helps...
If I understand you right, what you send, people are receiving blank sheets? When you try to run a copy are those blank also?
If so your problem is with the scanner. The drum should have nothing to do with sent faxes.
Unless your putting the paper in the scanner upside down. And if you ran it enough to need a drum I can't imagine that .
I have a NP 6025 that is jamming from the letter tray top not multi purpose tray. I cleaned the rollers that did not help. its making a grinding noise (best way to describe it) The paper gets jammed at various stages in the input unit I can open the right door and see the paper. Wondering if anybody has any ideas on how to fix this problem....