When I make a copy I see the original image on the back but the page comes out all covered in black as if I had made the copy with the cover open and there is a white intermittent line running down the page vertically. Any help would be greatly appreciated. thanks
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Verify the toner cartridge.Open the glass platen cover and make a copy,not used an original,if the cpy is a full black papier thr toner density is OK,Clean the polygon unit glass.Enter in program and perform a test page.
This is a common problem normally caused by the failure below-
The lamp that normally illuminates the original has probably failed.
The machine is producing what we call a 'sky copy' if done on a working machine.
The cover is left open and no original is placed on the table, causing little or no reflection back to the drum or sensors.
Leave the cover open, run a copy to see if there is any light coming from the scanner.
hi im jules_09,you should not use compatible consumables for the copier
sometime np7130 copier are nasty specially with opc drum,if the copy is
blnk the problem is in the high voltage unit or in the transfer unit
and drum charge unit you might have the wrong process replacing the
drum.re install the drum then try it again .
Make sure that the black plastic arm just to the right of the gray drum release handle is in the proper position. This arm sometimes gets knocked out of position when engaging the tube of new toner. When the copier is clammed closed, this will sometimes come down on the right side of the post on the bottom front cover. This will move the developer far enough away from the drum to make blank copies. Hope this helps.