Patent ID: 7589846

Claim:
An image forming apparatus, comprising: an image forming mechanism configured to perform an image processing operation to form a plurality of elementary-color images, superpose the plurality of elementary-color images sequentially into a single color image on a transfer medium, and to transfer the single color image onto a recording sheet, and to repeat the image processing operation to transfer subsequent single color images onto subsequent recording sheets; an error correction mechanism configured to perform a plurality of different recording error corrections to correct different recording errors in a main scanning direction and a sub scanning direction during time intervals between the image processing operations on respective of the recording sheets and on a following recording sheet, wherein the error correction mechanism executes each one of the plurality of different recording error corrections during different of the time intervals between the image processing operations on the recording sheets that are adjacent to each other under the image processing operations; and a selector configured to activate at least two of the plurality of different recording error corrections.