Avery Dennison Monarch 9433 Sierra Sport3 Operator's Handbook Manual page 19

Note: The supply should unwind from the top with
the loose end of the supply feeding through
the exit chute.
4. Pull out enough supply to lay across the exit chute
and raise the supply door back to the upright
position as shown.
Supply Holder
Tabs
Exit Chute
Loading Supplies 2-3