HP Color LaserJet Enterprise flow M880 Multifunction Printer series - Manual (Page 142)

3. Hole punch models only: Turn the knob to align
the arrows.
4. Hole punch models only: Lift the hole-punch
unit.
5. Hole punch models only: If paper is jammed in
the bottom of the hole-punch unit, carefully
remove it.
NOTE: Do not close the hole-punch unit yet.
132 Chapter 9 Solve problems ENWW