Patent ID: 7492479

Claim:
An image forming apparatus, comprising: a control panel which has a plurality of keys and outputs an operation signal in accordance with operations of the plurality of keys; a first sub-CPU that controls an operation by handling the control panel as a controlled object; a scanner section which outputs image data by scanning a script image; a second sub-CPU that controls an operation by handling the scanner section as a controlled object; a printer section which forms an image on a recording medium on the basis of the image data; a third sub-CPU that controls an operation by handling the printer section as a controlled object; and a main CPU which causes an image to be formed on the recording medium by the printer section, on the basis of the image data output from the scanner section, in accordance with the operation of the control panel, by controlling the first sub-CPU, the second sub-CPU, and the third sub-CPU, wherein at least one of the first sub-CPU, the second sub-CPU, and the third sub-CPU supplies an initialization command request signal to the main CPU upon detecting that an operation of the controlled object thereof is reset, the main CPU supplies an initialization command signal to the sub-CPU which has output the initialization command request signal, upon receiving the initialization command request signal, and the sub-CPU which receives the initialization command signal initializes the controlled object and normalizes operation of the controlled object.