OKI Data Infotech Corporation CONFIDENTIAL
Chapter 8 Operation Mechanism
8-18
8.5 Head Driving Principle
(1) Head structure
The ink driving section in the head consists of three parts below.
- cover plate (see figure A below);
- actuator with comb-shaped grooves made of PZT (see figure B below); and
- nozzle plate (see figure C below).
Nozzle holes are made in every two grooves of the nozzle plate, and ink is supplied only to
grooves with nozzle holes.
Two actuators having the configuration mentioned above are attached together so that the cover
plates can be positioned to the outside.
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