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    • 8. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20110293300A1
    • 2011-12-01
    • US13106186
    • 2011-05-12
    • Shigeru Tanaka
    • Shigeru Tanaka
    • G03G15/08
    • G03G21/20G03G15/065G03G15/50G03G21/203
    • An image forming apparatus including an image bearing member; a developing device for developing with toner an electrostatic latent image formed on the image bearing member; a humidity sensor for providing information on ambient humidity of said image forming apparatus; and a controller for controlling a parameter on a density of an image to be formed on a recording material on the basis of pieces of the information provided by the humidity sensor at different times. The controller is capable of controlling the parameter so that, when a first image forming job is ended at an ending time and then a second image forming job is executed after a lapse of a predetermined time from the ending time and in a period in which a detection result of the humidity sensor changes and then is constant, a difference between a first set value which is the parameter set during formation of a final image in a first image forming job and a second set value which is the parameter set during image formation on a first sheet in the second image forming job after the lapse of the predetermined time from the ending time, increases with an increase of proportion of a time in which the developing device is driven during the lapse of the predetermined time.
    • 一种图像形成装置,包括图像承载部件; 用于利用调色剂显影形成在图像承载部件上的静电潜像的显影装置; 用于提供关于所述图像形成装置的环境湿度的信息的湿度传感器; 以及控制器,用于基于在不同时间由湿度传感器提供的信息来控制要在记录材料上形成的图像的浓度上的参数。 控制器能够控制参数,使得当第一图像形成作业在结束时结束时,然后在从结束时间经过预定时间之后执行第二图像形成作业,并且在其中 湿度传感器的检测结果变化然后恒定,作为在第一图像形成作业中形成最终图像期间设置的参数的第一设定值和作为图像形成期间设定的参数的第二设定值之间的差异 在从结束时间经过预定时间之后的第二图像形成作业中的第一片材​​随着在预定时间过去期间驱动显影装置的时间的比例的增加而增加。