HP LaserJet Enterprise flow M830 Multifunction Printer series - Manual (Page 116)

4. Turn the green knob counter-clockwise, and then
remove the jammed paper.
5. Align the toner cartridge with its slot, and then
insert the toner cartridge into the product. The
toner cartridge will drop slightly when it is in
place.
106 Chapter 9 Solve problems ENWW