Oki Electric Industry Co., Ltd.

Oki Data Corporation

Bing Han

Shuichi Fujikura

A printing apparatus according to an embodiment may include: a printing device; a cooling device; an environmental value detector configured to detect an environmental value in or around the printing apparatus; an environmental value storage storing the environmental value detected by the environmental value detector before a current printing operation starts; and a print controller configured, in response to starting the current printing operation, to select one of the environmental value stored in the environmental value storage before the start of the current printing operation and an environmental value detected by the environmental value detector after a start of cooling the printing device by the cooling device in the current printing operation, calculate, based on the selected environmental value, a parameter for the printing device to perform the current printing operation, and cause the printing device to perform the current printing operation based on the calculated parameter.

Printing apparatus and printing method

An image forming apparatus includes an image forming unit composed with a photosensitive body, a cleaning part, a charging part, and a development part, an exposure part, a control part, a sensor, a voltage application part and an exposure control part. Wherein in a state where the exposure part is suspended in order not to form an electrostatic latent image, the control part applies a charging voltage, a development voltage, and a transfer voltage, and afterwards executes a light exposure detection process using the sensor, and if a developer image of threshold, which indicates that a light exposure occurred, is detected, the control part executes a cleaning sequence of the photosensitive body using the cleaning part.

Growing community of inventors

Tokyo, Japan

Bing Han