发明名称 Image forming apparatus
摘要 A multi-function printer (MFP) has a main control circuit for setting the operation mode of the apparatus to either a normal operation mode or a power-saving operation mode. There are provided a main power supply circuit and an auxiliary power supply circuit for supplying power to the main control circuit in the normal operation mode and in the power-saving operation mode, respectively. The MFP also has a power detection circuit for detecting a state of power supply from the main power supply circuit to the main control circuit. If a power-save request is followed by a start-up request, when an amount of power detected by the power detection circuit is greater than a predetermined value, the main control circuit stops an operation relating to the power-save request and initiates an operation according to a start-up request.
申请公布号 US7099604(B2) 申请公布日期 2006.08.29
申请号 US20040974911 申请日期 2004.10.28
申请人 SHARP KABUSHIKI KAISHA 发明人 NISHIMOTO YOSHIO;NAKAHIRA YOSHINORI;NAGANO YUSUKE;MAITANI YOSHIFUMI;IWABAYASHI KAZUYA;MORIMOTO KENICHI
分类号 B41J29/38;G03G15/00;G03G21/00;G03G21/14;G06F15/00;G09G5/00;H04N1/00 主分类号 B41J29/38
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