42113901 Rev.2
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Oki Data CONFIDENTIAL
2.2
Mechanical Operation
2.2.1 Printhead Mechanism and Operation (See Figure 2-2.)
The printhead is a spring charged 9-pin driving head using a permanent magnet. It is attached
to the carriage, which moves in parallel with the platen. Electrically, this unit is connected to
the control circuits through the control board.
Figure 2-2 Arrangement of the Head Pins View from the Tip of the Printhead
(1)
The printhead configuration:
The printhead is composed of the following parts:
(a)
Wire guide
(b)
Spring assembly (Wire, Armature, Spring, Yoke, Spacer)
(c)
Magnet assembly (Magnet, core, coil, Yoke)
(d)
Printed circuit board
(e)
Fin