Simultaneous phase detection and adjustment of multi-jet printer

Recorders – Record receiver deforming

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346 11, G01D 1518

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active

046162348

ABSTRACT:
In a continuous multi-jet ink jet printing apparatus, it is a problem to accurately adjust the phase of a printing pulse with respect to the drop separation profile. The problem is solved according to the invention by generating a short sample pulse and applying the short sample pulse simultaneously to the drop charging electrodes of all the ink jets, shifting the phase of the short sample pulse with respect to the stimulation cycle, and monitoring the ink jets to determine the drop separation profile. The phase of the printing pulse is then adjusted to bracket the drop separation profile.

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IBM Technical Disclosure Bulletin, vol. 22, No. 7, Dec. 1979, pp. 2666-2668.

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