Epson LX-86TM Especificações Página 71

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REV.-B
Printhead
The dot wire operation during printing is as follows: when the head driving coil for a dot wire is
energized, the actuating plate engaged with the dot wire at one end is attracted to the iron core and
drives the dot wire toward the platen. The dot wire strikes the ribbon and the paper against the platen
to print a dot in the paper.
When the head driving coil is deenergized, the actuating plate returns to the initial position as a result
of the action of the actuating plate spring. After striking the platen, the dot wire also returns to its initial
position as a result of impact energy and from the wire resetting spring, and the dot wire is held in
engagement with the actuating plate until it is driven again.
Fig. 2-38 shows the
printhead printing operation.
Platen
Dot Wire
Ribbon Mask
Wire Resetting Spring
Stopper
(]
Actuating Plate
-
Paper
Act~ating Plate Spring
Fig. 2-38. Printhead Printing Operation
2-39
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