Paxar Rewind Monarch 415 Operator's Handbook Manual page 18

Monarch 415 Rewind Operator's Handbook
12. Slide the separator disk and the next core onto the hub
(Figure 15).
13. Hold the core against the separator disk, insert the core
lock (metal strip) into the slot, and slide it into the core.
14. Align the leading edge of the first label on the middle strip
with the slot in the hub and tape the supply to the core.
Label
Edge
Slot
14
Core
Lock
Figure 15
First Separator
Disk