Paxar Monarch 9855 RFID Printer - Manual (Page 29)

6. Remove the new ribbon from the package as shown. Do not
wrinkle or crush the new ribbon.
7. Slide the ribbon onto the back reel as far as it will go. The
ribbon roll only fits on the reel one way. Carefully unwind a
few inches of ribbon from the bottom of the roll.
8. Carefully feed the ribbon under both ribbon rollers and
printhead as shown.
9. Align the ribbon and make sure it is straight and centered
throughout the path.
10. Tape the ribbon to the take-up core. Do not tape the ribbon
to the take-up reel.
Take-up Core
Take-up Reel
Ribbon Rollers
Loading Ribbon 3-3