Printer Mechanism; Figure 2-2. Structure Of Printhead - Epson 4003353 Service Manual

2.2.1 Printer Mechanism

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.
(voltage) is applied, this element pushes the vibration plate, compressing the cavity
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
\
Fi
(nozzle)
Nozzle plate
Vibration plate
2-2

Figure 2-2. Structure of Printhead

/
supply tank
nk
'
(Multi-layer piezo)
Rev. A