Matsushita Electric Industrial Co., Ltd.

Jun'ichi Tanizaki

Tadayuki Kajiwara

Masaya Shimada

In a toner image forming apparatus, a contact member for pressing a work piece at a pressing position against a toner image on a movable transfer member so that the toner image is transferred from the transfer member onto the work piece is pressed against the transfer member while a test pattern toner image which is prevented from being transferred onto the work piece moves from a transfer position at which the toner image and the test pattern toner image are transferred onto the transfer member and a detecting position at which the test pattern toner image is detected to obtain a difference between the test pattern toner image on the transfer member and a desired test pattern image.

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Fukuoka, Japan

Jun'ichi Tanizaki