1. An image forming apparatus comprising: a scanner to scan a transcript and generate a scanned image, the scanned image including a personal information area and a plurality of non-personal information areas; at least one processor to: determine a type of the transcript, from a plurality of types of transcripts, using the scanned image, detect the personal information area within the scanned image based on the determined type of the transcript, and correct the scanned image by blurring the detected personal information area without blurring the plurality of non-personal information areas; and an image forming device to print the corrected scanned image, the corrected scanned image including the blurred personal information area and the plurality of non-personal information areas that have not been blurred.