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HP LaserJet Pro MFP M426, M427 - Clear paper jams in the duplexer

Clear paper jams in the duplexer

Use the following procedure to check for paper in all possible jam locations in the automatic duplexer. When a jam occurs, the control panel displays an animation that assists in clearing the jam.
  1. Completely remove Tray 2 from the printer.
    Figure : Remove the tray
  2. Push the green button to release the duplex pan.
    Figure : Push the green button
  3. Remove any jammed paper.
    Figure : Remove the jammed paper
  4. Close the duplex pan.
    Figure : Push up on the duplex pan
  5. Reinsert Tray 2.
    Figure : Close the tray