Paxar Monarch series Operator's Handbook Manual page 18

2. Spread the supply holder tabs apart with one hand and insert the
supply roll.
3. Place the supply roll in the supply holder so the supply feeds labels
from the bottom.
4. Load the supplies for the print mode you want. See "Loading for Peel
Mode" or "Loading for Non-Peel Mode" for more information.
3-2 Using Supplies
Supply Holder