Patent ID: 7734120

Claim:
A method of scanning a document to generate image data of the document using a multi-functional peripheral device by scanning at least one document, the method comprising: inputting a scan start command through a manipulator of the multi-functional peripheral device for the at least one document; performing a pre-scanning operation at a first predetermined resolution and speed until a current scanning area is located in a starting location of a first main-scan area; stopping the pre-scanning operation when the current scanning area is located in the starting location of the first main-scan area; and starting a main-scanning operation at a second predetermined resolution and speed from the starting location of the first main-scan area: performing the main-scanning operation until the current scanning area is located in an ending location of the first main-scan area; and performing the pre-scanning operation until the current scanning area is located in an ending location of a physical scan area of the multi-functional peripheral device or a starting location of a second main-scan area, when the current scanning area is beyond the ending location of the first main-scan area, wherein the pre-scanning operation and the main-scanning operation are performed according to the one-time scan start command, and the ending location of the physical scan area is determined by using white data.