Method of operating an electrostatic printer

B - Operations – Transporting – 41 – J

Patent

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B41J 2/41 (2006.01) G06K 9/62 (2006.01)

Patent

CA 2279595

A method of operating an electrostatic printer which prints, with an acceptable determinable print quality, electrostatic images on a dielectric utilizing electrostatic discharges at an electrostatic region formed by application of a predetermined voltage high enough for good print quality while not significantly adversely affecting printer components, and utilizing a depletable source of gas under pressure which is supplied to the region of electrostatic discharge effective to prolong the life of printer components, comprising the steps of sequentially: (a) upon a degradation in the print quality, increasing the voltage effective to cause the electrostatic discharge, so as to increase print quality to approximately said acceptable determinable level; (b) removing the source of gas under pressure once it is depleted, and connecting up a new source of the gas so that it is supplied to the region of electrostatic discharge; and (c) returning the voltage effective to cause electrostatic discharge back to approximately its value prior to the practice of step (a); said steps (a)-(c) practiced without interrupting printer operation.

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