Epson - Micro Piezo

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EPSPIEZTECThe most atechnology

Epson Micro Piezo Technology

What is an Epson Micro Piezo print head?

“Micro Piezo” is the name of the multi award-winning, proprietary piezoelectric technology that is used in

heads of all Epson inkjet printers which has made them renowned for their high quality output and relia

well as low running cost.

Since the introduction of the technology in 1993 till today, Epson has been the only company tha

piezoelectric print head throughout its inkjet printing device range – from the smallest personal photo p

the largest industrial system.

How does an Epson Micro Piezo print head work?

To push ink out from the print nozzles, an Epson Micro Piezo inkjet print head uses what are kn

“piezoelectric” materials that bend when an electrical charge is passed through them.

Using piezoelectric technology, the amount of ink pulled into and expelled out of the nozzles can b

accurately controlled by varying the electrical charge given to the piezoelectric elements. This enables t

head to eject ink droplets in a range of precisely controlled sizes.

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Epson Micro Piezo System Thermal System

Ink Ejection

Method

Ink ejected by mechanical pressure exerted by piezoelectric

element.

Ink ejected by creating an

heating the ink.

Performance Ink drop volume controlled by voltage for precise and variable

droplet size and high speed ejection.

Achieves higher speeds by

Resolution Epson Micro Piezo print heads allow for precisely sized drops of

ink of up to five different sizes to be ejected onto the medium,

resulting in sharper, grain-free prints with smoother tonal

transitions.

Thermal inkjet printers ca

nozzles.

Ink

Compatibility

The low temperature operation of Epson Micro Piezo print

heads make them compatible with a wide range of inks,

including dye and pigment types, solvent inks, and ultraviolet

cure inks.

Limited ink options due to

impossible for use in the hi

thermal inkjet printers.

Durability Epson Micro Piezo print heads run much cooler than thermal

inkjet ones and can provide reliable operation for the life span

of the printer. Therefore, no Epson ink cartridge needs a print

head attached, making them more affordable, and

environmentally friendly.

Most printers with thermal

changed regularly because

operation that will damage

expensive new print heads

are replaced with every ca

Power

Consumption

Epson Micro Piezo print heads use less power than thermal

inkjet pint heads because the piezoelectric method of ink

ejection is far more efficient.

The resistors used by ther

a much higher amount of

method.

Epson’s Variable Sized Droplet Technology (VSDT)

Variable Size Droplet Technology (VSDT) refers to the capability of Epson’s Micro Piezo print head technol

by varying the electrical charge given to the piezoelectric elements. This enables Epson’s printers to achie

1.5 picoliters. Epson Micro Piezo technology’s ability to achieve such superior precision results in shar

images - key qualities strongly associated through the years with Epson’s renowned photo-quality prints.

Epson’s Micro Piezo Advantage

The two most commonly used inkjet printing systems in the market are Epson’s

Micro Piezo technology and thermal inkjet printing.

In an Epson Micro Piezo system, ink is ejected by precisely controlled mechanical

pressure.

On the other hand, thermal inkjet technology works by rapidly heating resistors

built behind the print head’s nozzles to vaporize the ink, creating a bubble which

expands so quickly that the ink literally explodes out of the nozzle onto the paper.When the bubble cools and collapses, the resulting vacuum pulls more ink into the

print head from the cartridge.

Comparison of Ep

ink

The following table shows the key differences and the advantages of Epson’s Micro Piezo system:


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Epson - Micro Piezo

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