IBM 129 Description page 24

9. Hook ribbon around
G)
right and
CD
left wire 'ribbon
guides, and slide it through right and left ends
of
0
reversing arm and over the
e
right and . left
rollers in front of the ribbon spools.
10. Slioe ribbon up under punch /read station so that it is
in
G
upper groove provided for it in the card-
printing position (above the 12 punching position) , and
take up the slack.
11. Replace Gribbon-spool ret&ining clamp.
12. Replace cover on print-feed unit.
13. Turn mainline sWitch on ; machine operation can be
resumed .
Figure 8. Ribbon Replacement
Operating Procedures
23