Patent ID: 8342517

Claim:
An image forming apparatus comprising: a detection unit configured to detect skew-feeding quantity and positional deviation quantity in a width direction of a sheet to be conveyed, the width direction being perpendicular to the sheet conveying direction; a skew-feeding correction portion configured to correct skew feeding of a sheet to be conveyed; a lateral deviation correction portion configured to correct positional deviation in the width direction of a sheet to be conveyed; and a controlling portion configured to control the skew-feeding correction portion and the lateral deviation correction portion, wherein the controlling portion controls the skew-feeding correction portion so as to correct sheet skew feeding based on the sheet skew-feeding quantity detected by the detection unit, controls the lateral deviation correction portion so as to correct positional deviation in the width direction of a sheet of which skew-feeding correction is performed at the skew-feeding correction portion based on the positional deviation quantity detected by the detection unit, and adjusts skew-feeding quantity for correcting skew feeding of the next sheet with the skew-feeding correction portion based on sheet skew-feeding quantity detected by the detection unit after positional deviation in the sheet width direction is corrected by the lateral deviation correction portion.