Question about HP LaserJet 2840 All-In-One Printer
The printer makes a black streak on the paper that is copied. It only happens when making a photo copy of a page. Documents from the computer come out beautifully.
Clean the scanner glasses, check the little glass, if it have scratches. There is a white strip across between the 2 glasses, be shure to clean it up.
Posted on Nov 03, 2008
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Posted on Jan 02, 2017
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First you need to determine if it's doing from both the top and the glass.
1-assuming you are using the feeder to fax,copy or scan (the part that automatically picks up the paper) it comes out with a streak. Make a copy putting the paper on the glass and look at the copy. Does it have the streak?
2-lift the top and look to the left there should be a small 1inch glass, this is where it makes the copies from the feeder, is there a dot or white out or is the glass dirty? that's your streak, the paper is moving to make the copy,so the dot now looks like a line as opposed to making a copy on the glass it just sits there so a dot will stay a dot.
2- Clean with water or alcohol.
Oct 23, 2007 | HP OfficeJet 7410 All-In-One InkJet...
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