HP LaserJet M4345 Multifunction Printer series - Manual (Page 205)

3. Slowly remove any jammed envelopes from the optional envelope feeder and from the device.
4. Insert the optional envelope feeder into the device until it locks into place. Pull gently on the
optional envelope feeder to be sure that it is securely in place.
5. Fold down the envelope-feeder tray. Lift the envelope weight.
6. Reload the envelopes, making sure that you push the bottom envelopes in slightly farther than
the top envelopes.
7. If a jam message persists, jammed media is still in the device. Look for the jam in another
location.
ENWW Clear jams 193