HP LaserJet Enterprise flow M830 Multifunction Printer series - Manual (Page 115)

Clear jams in the front door
1. Open the front door. Make sure that the door is
completely open.
2. Push the button on the lever, and then rotate the
toner-cartridge lever to the down position.
3. Grasp the handle of the toner cartridge and pull
out to remove it.
ENWW Clear jams 105