I have an HP Officejet Pro 8500A Plus. A Paper Jam message comes up on the message board. It tells me to clear paper jam then touch OK. There is no paper jammed in the printer. When I touch OK, the printer tries to print, but the Paper Jam message comes up on the message board. It continues this cycle. I have turned it off hoping it will reset, but it does not. I have noticed that the arm that rolls the paper from the paper tray to the printer is staying in the down position. I believe it is suppose to be up until it is ready to roll the paper through the printer. After it rolls the paper from the tray to the printer it goes back up.
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