Polaris PQ-512 Series Printhead


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

The printhead is designed for binary jetting using from 15 to 80 picoliters 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 30 picoliters with resolutions up to 1000 dpi.


  • 15, 35 or 80 picoliter nominal drop size
  • Resolutions up to 1000 dpi
  • 512 individual addressable nozzles
  • VersaDrop™ binary jetting capability
  • Supports UV-curable, solvent, and aqueous-based inks
  • Configurable for single- and two-color operation
  • Integral mounting bezel with precision features
  • Optimized for high viscosity jetting fluids
  • Built-in heaters and temperature sensors
  • Operation up to 60°C [140°F]
  • Simplified field repair with no special tools required

Tech Specs

Polaris PQ-512/15 AAAPolaris PQ-512/35 AAAPolaris PQ-512/80 AAA
Active nozzles512
Print width64.897 mm
Nozzle spacing127 μm (single color) / 254 μm (two color)
Drop velocity*8 m/s
Printhead weight (dry)160 g
Fluid typeUV curable, organic solvents, aqueous
Drop volume15 – 30 pl35 – 80 pl80 – 150 pl
Typical firing frequency25 – 35 kHz13 – 30 kHz10 – 20 kHz
Dimensions (WxDxH)150.25×29.5 mm

Additional Information

Drop Volume

15 picoliters, 35 picoliters, 80 picoliters


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