Clear jams in the 3 x 500-sheet feeder
Open the lower-left door.
Gently pull out any jammed paper.
Close the lower-left door.
Pull the tray completely out of the printer by pulling and lifting it up slightly.
Remove any jammed or damaged sheets of paper. Verify that the tray is not overfilled and that the paper guides are adjusted correctly.
Remove any paper from the feed rollers inside the printer. First pull the paper to the right to release it, and then pull it forward to remove it.
Reinsert and close the tray.