DETECTOR FOR THE VOLUME OF DEVELOPER
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专利名称:DETECTOR FOR THE VOLUME OF DEVELOPER
发明人:AIKAWA KOUJI,MIZUISHI HARUMITSU,OKAMOTO YOSHIKAZU
申请号:J P 7004 884 申请日:1984 04 10 公开号:JPS60213971A 公开日:19851026
申请人:FUJI XEROX KK
更多信息请下载etect the volume of developer only by one sensor even if an onecomponent group developer is used by regarding a developer stock tank as vacancy when the developer is not supplied within a fixed period after the detection of the quantitative lack of the developer. CONSTITUTION:A developer volume sensor 6 is fitted to a housing 1 of a developing machine incorporating a developing roll 2, a mixer 4, etc. When the quantitative lack of the developer is detected by the sensor 6, a detecting signal is supplied to a microprocessor. If the detecting signal is continuously impressed from the sensor 6 even if the developer is supplied within a fixed period after starting the operation of a carrying auger in a developer supplying means after the detection of the lack, the microprocessor decides that the developer stock tank 3 is vacant and displays the vacancy of the tank 3. In said constitution, the volume of the developer in the developing machine and the stock tank can be detected only by one sensor even if the one-component group developer is used.
专利名称:DETECTOR FOR THE VOLUME OF DEVELOPER
发明人:AIKAWA KOUJI,MIZUISHI HARUMITSU,OKAMOTO YOSHIKAZU
申请号:J P 7004 884 申请日:1984 04 10 公开号:JPS60213971A 公开日:19851026
申请人:FUJI XEROX KK
更多信息请下载etect the volume of developer only by one sensor even if an onecomponent group developer is used by regarding a developer stock tank as vacancy when the developer is not supplied within a fixed period after the detection of the quantitative lack of the developer. CONSTITUTION:A developer volume sensor 6 is fitted to a housing 1 of a developing machine incorporating a developing roll 2, a mixer 4, etc. When the quantitative lack of the developer is detected by the sensor 6, a detecting signal is supplied to a microprocessor. If the detecting signal is continuously impressed from the sensor 6 even if the developer is supplied within a fixed period after starting the operation of a carrying auger in a developer supplying means after the detection of the lack, the microprocessor decides that the developer stock tank 3 is vacant and displays the vacancy of the tank 3. In said constitution, the volume of the developer in the developing machine and the stock tank can be detected only by one sensor even if the one-component group developer is used.