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Spectra Polaris 512/35pl Printhead(Polaris PQ-512/35 AAA)


The Spectra Polaris PQ-512/35 AAA is a high performance inkjet printhead designed for wide format printing applications. Building upon the legendary reliability and performance of the Spectra Nova and Galaxy printheads, the Polaris PQ-512 AAA family of printheads uses field proven materials and a repairable design to deliver a long service life and consistent output.

The Polaris PQ-512/35 AAA Printhead has 512 independent channels arranged in multiple rows at 200 dots-per-inch spacing for single colour operation, or 100 dots-per-inch spacing for two colour operation.


The printhead is designed for binary jetting using a 35-pico litre native drop size with 8-meters per second nominal drop velocity for jetting fluids in the 8 to 20 centipoise range. Using VersaDrop jetting technology, the printhead is capable of adjustable binary operation at drop sizes up to 80 pico litre.

This is the original Spectra Polaris print head and it carries the manufacturer product warranty.


- Technology: Piezo Electric

- Max. Resolution: 800 dpi

- Cal. Droplet Size: 35 pico litre

- Adj. Range for Droplet Size: 35-80 pico litre

- Tot. Amount of Nozzles: 512

- Nozzle Spacing: 127 microns (1 colour) or 254 microns (2 colours)

- Firing Frequency: 30 kHz (15 kHz for 80 pico litre droplets)

- Operating Temperature: up to 60°C

- Ink Compatibility: Solvent, water-based and UV Inks

CET Color

    X-Press X500







    HJII 5000P

    HJII 5000UV


    Polaris PQ-512/35

    StormJet T3208AU

JHF Vista

    Q8 3304PQ

    Q8 3308PQ


    Paradigm 933


    Ultra 4000-3304

    Ultra 4000-3308

PQ-512/35 AAA

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Toshiba CA3W Printhead for Mimaki UJF-605RII / UJF-605C / Océ Arizona 200 GT


This Toshiba TEC CA3W on-demand piezo electric inkjet print head is designed for industrial applications with high print quality. Unlike conventional binary print heads, this grayscale print head technology is capable of jetting multiple drops within one dot allowing for an image to have 8 levels of grey, since each dot is created through a minimum of 6 pico litre to a maximum of 42 pico litre of ink. 

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