Paxar 9830-CL Operator's Handbook Manual page 22

7. Slide the ribbon onto the back reel as far as it will go with the
writing on the end of the core facing out. 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.
Take-up Reel
Back Reel
Ribbon Roller
Printhead
Loading Supplies 2-9