Paxar 610 User Manual page 27

10. Align the ribbon with the printhead and supply.
CAUTION
Make sure the ribbon is straight and centered throughout
the path.
11. Rotate the take-up core until the leader is past the printhead.
12. Remove any slack in the ribbon by turning the take-up reel clockwise.
13. Hold the printhead assembly by the printhead tab while pressing down on the
printhead release.
Users Manual - 610/611/612 Printers Loading Supplies 23