Scan & Copy 7520 thin vertical line

A thin vertical line extends all the way to the bottom of the page - 6cm in on the left of the page.  It appears that when I use the automatic document feeder.  I have cleaned the printer according to the instructions and also to reset a couple of times - nothing helped.

In other words, there is little land on adf scanning glass: http://support.hp.com/us-en/document/c00899181
If you already cleaned the adf scanner, perhaps, there is a death in the scanner sensor (but you said, that doesn't happen on the analyses of the adf, then, probably, that this is not the case).

Tags: HP Printers

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