Question about HP LaserJet 2840 Printer
When copying a document on the HP2840 ... I just started getting a thin gray line from Top to Bottom on the Left Side of the copied page.
The glass on which the copy is placed is perfectly clean.
does the grey line appear if you scan true the "upper" scanner.(set paper on top of printer and sscan it that way)? you should also clean the smal slim glass that is at the side of the big scanner glass.
also try to remove all cartridges and tilt them side to side several times. then put them back and test your printer.
Posted on Jul 02, 2009
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Posted on Jan 02, 2017
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