HP LaserJet P3005 Printer series - Manual (Page 145)

4. Close the rear door. (The clips automatically return to their original positions when the rear door is
closed.)
5. Open and close the top cover to clear the jam message.
If a jam message persists, there is still media in the device. Look for media in other locations.
Clear jams from the optional duplexer
1. Remove tray 2 from the device.
2. Push the green button on the top right front of the tray 2 opening to access the duplex paper path.
ENWW Clear jams 133