Patent ID: 7663786

Claim:
An image-forming apparatus having an automatic document feeder (ADF) mode, comprising; a first movement means for moving a document loaded on a document tray from a first position to a second position; a second movement means for moving a carriage containing a light source from the first position to the second position; an image processing means for processing an image of the document into predetermined image data; a control part to control the image processing means to process an image of a specific portion of the document read out by the carriage fixed at the first position and to process an entire image of the document read out by the carriage fixed at the second position using a predetermined contrast equalization pattern selected based on an image processing result of the specific portion; and when the most suitable contrast equalization pattern is applied to the image processing means, the control part controls the second movement means to move the carriage to the second position, and controls the first movement means to restart the movement of the document.