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Figure 4-48. Test Patterns
Punches
6
8
7
12,o
Rear
4.1 1.3.2 Print Wire Unit
1 .
Pull the three clips (Figure
4-50)
and withdraw the three
shafts.
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2. Note the position of the pressure plate for reassembly.
The end with the wide c u t a u t portion goes toward the
ribbon feed unit.
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3.
Remove the two screws (B, Figure
4-50)
from each
side. Note that the adjusting screw plate assembly will
pivot slightly around its two dowel screws.
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4.
Remove the pressure plate operating linkage.
5.
After reassembly, the impression may be lighter at one
end of the character. To correct this condition, first try
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shifting the adjusting screw plate. If the condition is not
corrected, repeat the adjustment procedure.
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Print Wire: Single wires can be replaced. Be sure that the
collar portion of the wire, which extends through the guide
plate, is the same size as the one being replaced.
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Character
@ @ @ @
e e e
e e e
e e e
e e e e e
e e e
e e e
e e e e e
Horizontal
t4
-3
CAUTION
Do not disturb the cotton wicking around the print wires.
b
Direction
Vertical
id
-4
1. Remove the four holding screws and lift off the rear
wire-guide plate (Figure
443).
L
Figure 4-49. Print Drive Unit
4-34
(4169)
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