Patent ID: 7545524

Claim:
A method of controlling an image sensor which stops due to a mechanical error or a power interruption while moving along a scanning path in a certain direction to scan in a scanning apparatus and when power is re-supplied, the method comprising: acquiring image information of an upper part of the image sensor by scanning the upper part of the stopped image sensor; determining a position of the image sensor with respect to a home position according to the image information of the upper part of the image sensor; and controlling the image sensor to move to the home position by moving the image sensor from a protection wall toward a right side of the protection wall by a certain distance and re-scanning a home sensing label when the image sensor is located near the home position and in a left side of the home position, and controlling the image sensor to move toward the home position when the image sensor is located in a right side of the home position, wherein the home sensing label comprises: an X portion including a black pixel part; and a Y portion including a black pixel part and a white pixel part, and a lower part of the Y portion is the home position of the image sensor.