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Quick Step Servo Scheme for Aspirated Ink Jet Printers Disclosure Number: IPCOM000052736D
Original Publication Date: 1981-Jul-01
Included in the Prior Art Database: 2005-Feb-11

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Related People

Damon, BW Uhen, DA [+details]


In an aspirated ink jet printer, the air and ink stream travel at approximately the same velocity through a tunnel before the ink (in the form of ink drops) strikes the paper. In order to achieve correct air and ink stream velocity through the tunnel, it is typical to ""servo'' the system from time to time not only for ink stream and air start-up but to compensate, during printing, for environmental changes. Because during the servo time the printer is inoperable with regard to the machine operator, it is desirable to reduce the time required to servo the air and ink stream. The present scheme relates to a method of reducing the time for such servo operation.