3-12 Confidential
îš„ Front end
Front end components and their main roles
- Piezoelectric plate
Applying a voltage stretches the plate, serving as the actuator for spraying ink. Consisting of thin
piezoelectric plates laminated together, this plate can be driven even by a low voltage.
- Filter
This removes foreign materials from the ink.
- Metal plates
These form the head nozzle pressure chambers, ink flow paths, and manifolds.
- Nozzle plate
This plate has a total of 376 nozzles, 47 nozzles x 2 lines staggered x 4 colors (black, yellow,
cyan, and magenta).
- Head driver
This flexible circuit board holds the piezoelectric driver chip.
Nozzle array (head bottom plate viewed from the top)
0.16930.1693
0.1693
0.1693
3.2173
6.096
8.9747
2.8787
2.8787
0.1693
(Nozzle)
Ink-jet unit (Viewed from the top)
Magenta
Cyan
Paper feed direction
Print head travel direction
Yellow
Black
Nozzles
Channels
Magenta
Cyan
Yellow
Black
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