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A copier of this sort often gets into a state when a paper jam is removed, esp. if it is removed a bit roughly.
Try turning it Off, unplugging it from the power, and then leaving it to cool off and rest-reset, for at least 1 hour, preferably 2 hours or more.
While it is resting, look through and into the area where you pulled out the paper. It may have jammed a little switch, that normally would be pressed on by the presence of paper, into place, thus giving the machine a false indication that paper is jammed in the copier still.
Also, re-seat all components that are user-removable, near the site where the jammed paper occurred. One of those components may have gotten dislodged a trifle, or the like.
After putting everything back into place, be sure to leave the copier alone for at least another 3/4 hour, or longer, before plugging it in to the power again, and trying again.