42113901 Rev.2 31 /Oki Data CONFIDENTIAL2.2 Mechanical Operation2.2.1 Printhead Mechanism and Operation (See Figure 2-2.)The printhead is a spring charged 9-pin driving head using a permanent magnet. It is attachedto the carriage, which moves in parallel with the platen. Electrically, this unit is connected tothe 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
