Here is a list of steps to clear a paper jam in the document feeder of an all-in-one printer:

1. Unplug the power cord of the printer from the wall socket.
2. Lift the control panel to access the document feeder.
3. Carefully pull out the jammed paper from the document feeder.
4. If necessary, carefully remove any other pieces of paper that may be blocking the document feeder.
5. Re-plug the printer's power cord into the wall socket.
6. Close the control panel and turn on the printer.