IMAGE FORMING APPARATUS AND DETERMINATION METHOD
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United States of America Patent
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Issued Date -
Sep 14, 2023
app pub date -
Mar 6, 2023
filing date -
Mar 6, 2023
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Abstract
An image forming apparatus includes: a gear provided on a transmission path of driving force from a drive unit to a photoreceptive drum; a first acquisition processor to acquire a charged amount of toner; a formation processor to form a toner image for detection based on an image for detection with density according to the charged amount of toner acquired by the first acquisition processor among a plurality of images for detection having different color from each other for every time when a specific formation timing arrives; a second acquisition processor to acquire a variation width of density in the toner image for detection formed by the formation processor; and a determination processor to determine a failure timing of the gear based on the variation width for each formation timing corresponding to any one of the plurality of images for detection.
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