Specifications

5–22
Adjustments
Platen Gap (Figure 5–9)
1. Disconnect the power cord from the rear of the printer. Open the printer
cover. Remove paper from the printer.
2. Remove the ribbon deck assembly. (See page 5–2.)
3. Remove the RPF belt cover. Loosen the platen open motor screws to
loosen the platen open belt. (See page 6–44.)
4. Raise the forms thickness lever (1) all the way.
5. Measure the platen gap, as follows:
CAUTION
Take care not to damage the hammer bank cover or the hammer tips
with the feeler gauge.
a. Insert a flat feeler gauge (2) between the platen (3) and the hammer
tips (4) in the ribbon path of the hammer bank cover (5) within six
hammer positions of the left end of the hammer bank. If the forms
thickness lever is in the “A” position, use a 0.009 inch feeler gauge.
When the forms thickness lever is fully closed, use a 0.007 inch
gauge.
b. Carefully lower the forms thickness lever until the platen just
contacts the feeler gauge with the lever at the “A” setting. The feeler
gauge should move with only slight friction. Make sure the gauge is
vertical and in the same plane as the hammer tips.
6. Repeat Steps 4 and 5 at the right end of the hammer bank.
7. If the platen gap is incorrect:
a. Adjust the two set screws (6) as required:
1/4 turn equals approximately 0.008 inch.
b. Repeat Steps 4 through 6 until the platen gap is correct.
8. Adjust the platen open belt (page 5–24).
9. Install the ribbon deck assembly by reversing the steps on page 5–2.
Load paper. Close the printer cover and connect the power cord.