HP LaserJet 3055 - Manual (Page 279)

Clear jams from the automatic two-sided printing (duplexing) path
To clear a jam in the automatic two-sided path, perform the following steps:
CAUTION Do not use sharp objects, such as tweezers or needle-nose pliers, to remove
jams. Damage caused by sharp objects will not be covered by the warranty.
1. Open the rear output door.
2. Rotate the green pressure release levers downward.
3. Remove tray 2.
4. Push down on the green lever on the automatic two-sided path door on the front of the all-in-one.
ENWW Other: How do I? 261