发明名称 Image forming apparatus
摘要 <p>An image forming apparatus (900), to which an accessory device (950, 980, 1000) is connectable, includes a control unit configured to control the image forming apparatus to start a preparation operation in which an image forming unit (107, 108, 109, 113, 116, 117) can form an image in response to a power supply, and a storage unit (120) stores a connecting state between the image forming apparatus and the accessory device. The control unit (100,101) determines, in response to the start of the power supply, whether the accessory device has been connected to the image forming apparatus (900) before the power supply is stopped, with reference to information stored in the storage unit. Then, the control unit controls the image forming apparatus (900) to start the preparation operation without waiting for the receiving of the information about the accessory device therefrom if the accessory device has not been connected to the image forming apparatus.</p>
申请公布号 EP2133753(A2) 申请公布日期 2009.12.16
申请号 EP20090158233 申请日期 2009.04.20
申请人 CANON KABUSHIKI KAISHA 发明人 TAKAHASHI, KEITA;SATO, MITSUHIKO
分类号 G03G15/00;G06F1/32 主分类号 G03G15/00
代理机构 代理人
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