HP LaserJet M4345 Multifunction Printer series - Manual (Page 204)

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 optional envelope-feeder area
This section applies only to jams that occur when you are using an optional envelope feeder.
1. Remove any envelopes that are loaded in the envelope feeder. Lower the envelope weight and
lift the tray extension up, to the closed position.
2. Press and hold the release button on the left side of the optional envelope feeder. Grasp both
sides of the optional envelope feeder and carefully pull it out of the device.
192 Chapter 11 Problem solving ENWW