Image forming apparatus
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United States of America Patent
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Jun 6, 2017
Issued Date -
N/A
app pub date -
Aug 4, 2016
filing date -
Aug 25, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
An image forming apparatus includes: a power source applying voltage to a charging roller to charge a photosensitive drum; a toner-image forming unit forming a toner image on the photosensitive drum; a detecting member which detects a DC current to be flowed from the charging roller to the photosensitive drum; a driving source driving the photosensitive drum at a predetermined speed; and an execution unit executing a detection mode to detect the DC current with the detecting member when the voltage is applied in a state in which the photosensitive drum is rotated, in a period except a period during which the toner image is formed on the photosensitive drum, the execution unit setting a speed of the driving source when the detection mode is executed at a second speed faster than a first speed that is fastest in the period during which the toner image is formed.
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Cited Art Landscape
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