There is a jam at the exit or at the rear cover. On the front panel of the printer, press the i button to view information about the front panel message.
Open the rear cover.
Caution: Be
careful, some components inside the rear cover may be hot.

Remove the jammed paper.
Confirm that all paper fragments are removed.

If you do not find jammed
paper in Step 2, open the cover above the exit and pull the jammed paper
completely out of the printer.

Close the rear cover.

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