The Spectra® Polaris PQ-512/85 AAA is a high performance inkjet printhead designed for a broad range of industrial and commercial 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-512/85 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 a 80-picoliter 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 150 picoliters.

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

Q-Class, VersaDrop technology.

The head consists of a series of 4-modules can perform printing (independently) 1 or 2 ink channels. In accordance with this change certain physical characteristics such as the resolution of the head, the nozzle pitch, the print speed, and some others. Be careful in the study specifications.