Question about HP DeskJet 6840 InkJet Printer
I could not print as it keeps on saying the top cover is open when it is already closed. I changed the ink cartridge and it started doing this.
Pop off the right side cover - it is just held with clips. At the hinge, you will see that the cover switch arm that is supposed to move up and down as the cover opens & closes (in the slot in the geared hinge) is probably broken off. It is in the up position when the lid is closed, and down when the lid is open. I cut the shaft of a Q-tip to length and wedged it into the space to keep the cover switch up all of the time and still allow free movement of the lid.
Posted on Feb 05, 2013
Did you puch down on the cover some models requires you to puch down so that sencer knows it is completly in place.
Posted on May 20, 2009
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Posted on Jan 02, 2017
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