![]() Each nozzle can be fired without affecting its neighbor. Therefore, it is technically not a shared-wall configuration. The printhead for the 2020 operates using the same mechanism, but every other channel is not used. When a nozzle is firing, the adjacent channels cannot be fired. A chamber shares its walls with its neighboring chamber. In shared-wall technology, the piezo walls of the chamber are squeezed to eject a drop through a nozzle. SPT developed the printhead to meet DuPont’s requirements for aqueous based textile inks. They employ piezo shared-wall technology and are manufactured under a license from Xaar, Cambridge, UK. The printheads utilized in the 2020 printer are developed and manufactured by Seiko Printek (SPT), Japan.
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