HP LaserJet 4345 Multifunction Printer series - Manual (Page 207)

4. Check for jammed paper in the optional duplexer. Carefully pull out the jammed paper.
5. Reinstall the duplexer.
6. Reinstall the output bin (or reinstall the 3-bin mailbox or the stapler/stacker).
7. If a jam message persists, jammed media is still in the MFP. Look for the jam in another
location.
Clearing jams from the output areas
Use this procedure to clear jams that occur in the output bin, the 3-bin mailbox, or the stapler/
stacker.
To clear jams from the output areas
1. If you are using the standard output bin, grasp the handle at the bottom of the output-bin
assembly, and pull it out and then up to remove it.
ENWW Clearing jams 193