Patent ID: 8113511

Claim:
A method of operating a document deskewing module having a document transport path along which a document can be transported, the method comprising: at a first time, moving a first set of idler rollers towards a first set of drive rollers in the form of hard drive rollers to drive the document between the first set of idler rollers and the hard drive rollers to move the document in a first direction of document travel from an upstream end of the document transport path to a downstream end of the document transport path; at a second time which is different from the first time, moving a second set of idler rollers towards a second set of drive rollers in the form of soft drive rollers to drive the document between the second set of idler rollers and the soft drive rollers to move the document in a second direction of document travel which is transverse to the first direction of document travel; at a third time which is after the first and second times, receiving by a movable track bottom a leading front corner of the document as the document is moving in the second direction of document travel and the leading front corner moves into contact with the track bottom; and at a fourth time which is after the third time, moving the track bottom in the first direction of document travel to move the leading front corner in the first direction of document travel so as to reduce tendency of the leading front corner of the document from curling and thereby to reduce tendency of the leading front corner from bunching up and causing a document jam condition; wherein the leading front corner of the document is moved by the moving track bottom in the first direction of document travel at a speed faster than the speed at which the document is being moved by the hard drive rollers in the first direction of document travel.