HP LaserJet 4345 Multifunction Printer series - Manual (Page 213)

4. Close the ADF cover.
5. If a jam message persists, jammed media is still in the MFP. Look for the jam in another
location.
Clearing staple jams
Occasionally, staples become jammed in the optional stapler/stacker. If jobs are not being
stapled correctly or are not being stapled at all, use this procedure to clear staple jams.
To clear staple jams
1. Turn off the MFP.
2. Press and hold the release button on the top of the stapler/stacker. Pull the stapler/
stacker away from the MFP.
3. Open the staple-cartridge cover.
4. To remove the staple cartridge, pull up on the green handle and pull out the staple
cartridge.
ENWW Clearing jams 199