Question about HP LaserJet 2840 Printer
When document passes through the ADF ,it passes through transperent sheet where document gets exposed to the CCD ,if dirt or dust comes in this path way
it gets no exposure generating thin line on the output,So cleaning the dirt will resolve....happy going.
Posted on Jul 10, 2012
There is a thin strip of glass that you will see when you lift the top feeder. There is most likely white-out on it.
When you use the top feeder, it doesn't use the large glass, it only 'rolls' the original document over this small strip of glass.
Posted on Jan 18, 2008
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Posted on Jan 02, 2017
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