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(11) | EP 2 166 415 A8 |
(12) | CORRECTED EUROPEAN PATENT APPLICATION |
Note: Bibliography reflects the latest situation |
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(54) | Image Forming Apparatus |
(57) In an MFP, a system controller (105) is connected to an engine (200) via a universal
transmission line (301) and a dedicated transmission line (302). When MFP is powered,
the system controller sends a mode signal to the engine via the dedicated transmission
line (302). If the mode signal indicates that the power mode is to be set to a normal
mode, the engine activates predetermined components. The system controller and the
engine then establish communication via the universal transmission line (301). After
establishing the communication, if the mode signal indicates that the power mode is
to be set to a mode other than the normal mode, the system controller sends a setting
command to the engine via the universal transmission line (301) to set the power mode
to any of a plurality of power-saving modes.
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