Bob, Unplug and blow out the printer to get rid of all accumulated dust/debri, next locate and clean paper feed rollers with soft cloth/ Q-tip dampened with water,then dry rollers. Retry printer, if still not good rollers may need replaced. Check the attached link, instruction. Good luck.
I hope this helped you out, if so let me know by pressing the helpful button.
https://www.youtube.com/watch?v=eJBmi1_J...
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