Determining a location of an uncharged region on a photoconductive drum

A method for determining a location of an uncharged region on a photoconductive drum in an electrophotographic device, including rotating the photoconductive drum, and charging a surface of the drum via a charge roller by application of a voltage to the charge roller. An electrical characteristic of...

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Hauptverfasser: TAGANSKY BOAZ, ORON GADI
Format: Patent
Sprache:eng
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Zusammenfassung:A method for determining a location of an uncharged region on a photoconductive drum in an electrophotographic device, including rotating the photoconductive drum, and charging a surface of the drum via a charge roller by application of a voltage to the charge roller. An electrical characteristic of one of the charge roller or photoconductive drum is measured, and an alteration in the electrical characteristic is used to determine a location of the uncharged region.