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    • 33. 发明授权
    • Image forming apparatus
    • 图像形成装置
    • US07039332B2
    • 2006-05-02
    • US10793009
    • 2004-03-05
    • Kazuhiro Suzuki
    • Kazuhiro Suzuki
    • G03G15/20
    • G03G15/2064G03G15/2032G03G15/2039G03G2215/00738
    • In order to change over heating temperature and pressing force of a fixing device to heat, press and fix images on recording media, an image forming apparatus of this invention has a changeover portion to change over a heating temperature and a pressing force by the same indicating operation. Operator is not required to perform the heating temperature changeover operation and the pressing force changeover operation separately. Thus, the operability of the heat press and fixing device in changing over the fixing condition of the heating pressing and fixing device for the heat roller 20 and the press roll 21 is improved.
    • 为了改变加热温度和定影装置的加压力加热,将图像压印并固定在记录介质上,本发明的图像形成装置具有切换部分,以切换加热温度和加压温度以及相同的加压力 操作。 操作员不需要分别执行加热温度切换操作和按压力切换操作。 因此,提高了热辊定影装置在改变加热辊20和压辊21的加热定影装置的定影状态的可操作性。
    • 36. 发明申请
    • Laser unit
    • 激光单元
    • US20050195867A1
    • 2005-09-08
    • US11068891
    • 2005-03-02
    • Akira EgawaKazuhiro SuzukiHiroaki Tokito
    • Akira EgawaKazuhiro SuzukiHiroaki Tokito
    • H01S3/041B23K26/42B23K31/12H01S3/04H01S3/131H01S3/134H01S3/00H01S3/13
    • H01S3/131B23K26/702B23K31/12H01S3/04H01S3/1317H01S3/134
    • A laser unit which has an improved reliability in a measured value of a power correction coefficient used to correct a laser output command. Immediately before the laser oscillator starts discharging after a power supply is turned on, the initial value of a number (or index) for carrying out a warm-up operation is set to zero. A temperature measuring device measures a temperature of a prescribed part of the laser oscillator, and it is decided whether the measured temperature has reached a predetermined temperature. When the measured temperature has reached the predetermined temperature, a normal laser oscillator start processing is executed, and a power correction coefficient is calculated/updated, thereby ending the process. When the measured temperature has not reached the predetermined temperature, the number of times of carrying out a warm-up operation is checked, and the oscillator executes the warm-up operation until the predetermined temperature is obtained within a given number of times. When the number of times of carrying out the warm-up operation exceeds the given number of times, an alarm is displayed to stop the operation of the laser oscillator. Also, an internal discharge carried out to obtain a power correction coefficient may be utilized for the warm-up operation.
    • 一种激光单元,其具有改善用于校正激光输出命令的功率校正系数的测量值的可靠性。 在电源接通之后立即激光振荡器开始放电之前,用于进行预热操作的数字(或指标)的初始值被设置为零。 温度测量装置测量激光振荡器的规定部分的温度,并且确定测量的温度是否已经达到预定温度。 当测量温度达到预定温度时,执行正常的激光振荡器开始处理,并且计算/更新功率校正系数,从而结束处理。 当测量温度未达到预定温度时,检查执行预热操作的次数,并且振荡器执行预热操作,直到在给定次数内获得预定温度。 当进行预热操作的次数超过给定次数时,显示报警以停止激光振荡器的操作。 此外,为了获得功率校正系数而进行的内部放电可以用于预热操作。