HP LaserJet M4345 Multifunction Printer series - Manual (Page 207)

5. Rotate the paper-release guide to check for additional jammed media underneath. If jammed
media is present, remove it.
6. Replace the envelope-entrance cover and close tray1.
7. Reinstall the print cartridge and close the top cover.
8. If a jam message persists, jammed media is still in the device. Look for the jam in another
location.
Clear jams from the tray2, 3, 4, or 5 areas
Use this procedure to clear jams that occur in tray2 or in the optional 500-sheet feeders.
1. Pull the jam-access lever to open the jam-access cover.
ENWW Clear jams 195