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Cubf S9wke
Manual
2.2.1 Printer Mechanism
The
printer mechanism of this printer uses a
dropmnde-d
inkjet system similar to the system
used on all other EPSON ink jet printers. However, the
printhead
in this system is
mmpletely
redesigned to make it more
mmpact
and ensure a high level of reliability.
The
figure below shows
the structure of the
printhead
and ink supply system.
■
M-L-P
MLP
is the abbreviation for Multi-Layer
Piezoelectric
element. When a drive pulse
(voltage) is applied, this element pushes the vibration plate, compressing the cavity
fix
ink injection from the nozzle.
~
Cavity
Ink supplied from the ink cartridge is stored in this space
and
is injected from the
nozzles when the vibration plate compresses this area.
■
Nozzles
These inject ink against the paper’s surface
in
response to the application of the
print signaL
Them
are 64 (black head) or 48 (color head) individual nozzles making
up the
printhead.
Cartridge
needle
Printhead
driver board
\
/
Fi
,avi,~et~’L~ti,.YerPiezo)
(nozzle)
>Nou’e
Nozzle plate
nk
supply tank
Vibration
plate
0
‘
MLP
(Multi-layer
piezo)
Figure
2-2.
Structure of
Printhead
2-2
Rev.
A