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    • 40. 发明申请
    • IMAGE FORMING APPARATUS
    • 图像形成装置
    • US20100196030A1
    • 2010-08-05
    • US12696283
    • 2010-01-29
    • Kazuhiro OkuboMasahiro YoshidaKazunori HashimotoMasahiro ShibataHisashi Yamauchi
    • Kazuhiro OkuboMasahiro YoshidaKazunori HashimotoMasahiro ShibataHisashi Yamauchi
    • G03G15/08
    • G03G15/08G03G15/0121G03G15/0173G03G15/0194G03G2215/0145
    • An image forming apparatus includes first and second developer carrying members and a control device. The apparatus is operable in a first mode where an image of a single color is formed using the first developer carrying member and is operable in a second mode, wherein an image of a plurality of colors is formed using the first and second developer carrying members. The control device controls a first discharging operation for discharging developer from the first developer carrying member and a second discharging operation for discharging developer from each of the first and second developer carrying members. When the apparatus executes only the first mode, the control device performs more image formations, in a period between completion of the second discharging operation and start of the first discharging operation, compared to a period between completion of the first discharging operation and start of a subsequent first discharging operation.
    • 图像形成装置包括第一和第二显影剂承载构件和控制装置。 该装置可以在第一模式中操作,其中使用第一显影剂承载构件形成单一颜色的图像,并且可以在第二模式下操作,其中使用第一和第二显影剂承载构件形成多种颜色的图像。 控制装置控制用于从第一显影剂承载构件排出显影剂的第一排出操作和用于从第一和第二显影剂承载构件中的每一个排出显影剂的第二排出操作。 当装置仅执行第一模式时,控制装置在第二次放电操作完成和第一次放电操作开始之间的时间段内,与第一次放电操作完成和第一次放电操作开始之间的时间段相比,执行更多的图像形成 后续第一次放电操作。