Canon kabushiki kaisha (20240411240). IMAGE FORMING APPARATUS
IMAGE FORMING APPARATUS
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IMAGE FORMING APPARATUS
This abstract first appeared for US patent application 20240411240 titled 'IMAGE FORMING APPARATUS
Original Abstract Submitted
an image forming apparatus is disclosed in which, a developing bias applying portion applies a developing bias including a direct current voltage and an alternating current voltage to the developer bearing member that bears toner, and when a voltage on the same-polarity side of a charging polarity of the toner with respect to the direct current voltage out of the alternating current voltage is referred to as vgo, the developing bias applying portion applies the developing bias to the developer bearing member so that than a peak-to-peak voltage in a case where humidity is a first humidity, the peak-to-peak voltage in a case where humidity is a second humidity that is lower than the first humidity is greater, and so that the voltage vgo in a case where humidity is the second humidity is the same as the voltage vgo in a case where humidity is the first humidity.