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    • 1. 发明授权
    • Image forming apparatus which monitors hardware errors of a controller
of a copying-inhibited function
    • 监视复制禁止功能的控制器的硬件错误的图像形成装置
    • US5640467A
    • 1997-06-17
    • US412113
    • 1995-03-28
    • Toshiki YamashitaTsuyoshi Endo
    • Toshiki YamashitaTsuyoshi Endo
    • G03G21/04H04N1/00G06K9/00G03G21/00
    • H04N1/00843G03G21/046H04N1/00848H04N1/00859H04N1/00875H04N1/0088
    • A controller accurately discriminates a copying-inhibited document prepared by using paper on which a copying-inhibited pattern is printed or copied on the entire surface, executes the copying inhibition control, detects a hardware error, and executes the copying inhibition control upon detection of the hardware error by recognizing a copied document as a copying-inhibited document and executing copying inhibition control when a copying-inhibited document detected signal is inputted during an operation for reading a copied document from the copying-inhibited document discriminator, and also by determining that a hard error has occurred in the copying inhibition discriminating board, giving a warning through an operation displaying unit, and executing a copying inhibition control when a copying-inhibited document signal or a copying-inhibited document not-detected signal is inputted during a period other than that for reading a copied document.
    • 控制器通过使用在整个表面上印刷或拷贝复制禁止图案的纸张准备识别禁止复制文档,执行复制禁止控制,检测硬件错误,并且在检测到复制禁止控制时执行复制禁止控制 通过将复制的文档识别为禁止拷贝的文档,并且在从禁止拷贝的文档鉴别器读取复制的文档的操作期间输入禁止拷贝的文档检测信号时执行复制禁止控制的硬件错误,并且还通过确定 在复制禁止鉴别板中发生硬错误,通过操作显示单元发出警告,并且在禁止复印禁止文件信号或禁止拷贝文件未被检测的信号被输入期间执行禁止复制控制 用于阅读复制的文档。