Specifications

4–20 Adjustment Procedures
Ribbon Guide Alignment (Figure 4–10 )
1. Open the printer cover.
2. Load paper and install the ribbon. The ribbon should have a full spool
on the right hub (1).
3. Run a shuttle and ribbon diagnostic self–test (page 3–26).
4. Momentarily short between the left ribbon guide skid screws (2) to
assure right to left motion of the ribbon.
5. Observe how the ribbon (3) is passing around the left ribbon guide (4).
It should be centered.
6. If the ribbon is not centered, loosen the retaining screws (5) just enough
so that the ribbon guide (4) can be moved to new positions, but remains
in place once moved.
7. Reposition the ribbon guide (4) as necessary to center the ribbon (3).
8. Observe how the ribbon (3) is winding on the left spool (6). Reposition
the ribbon guide (4) as necessary to allow the ribbon to wind up without
interference.
9. Tighten the screws (5).
10. Allow most of the ribbon to accumulate on the left spool (6). Repeat
steps 3 through 9 for the right ribbon guide (7).