Patent ID: 8886111
Filing Date: 2014-11-11
Classification: B41J

Abstract:
1. A printing system, comprising: a sheet processing assembly configured to curl or decurl a sheet, the sheet processing assembly comprising a first roll, a second roll, a third roll, and a fourth roll, the first roll and the second roll being arranged to face a first side of a sheet being curled or decurled by the sheet processing assembly, the third roll and the fourth roll being arranged to face a second side of the sheet, wherein the first roll and the second roll are arranged opposite to and offset from, and overlapping the third and fourth rolls, wherein the first roll, the second roll, the third roll, and the fourth roll are configured to move in directions substantially perpendicular to their respective rotational axes and wherein the first roll, the second roll, the third roll, and the fourth roll are selectively engageable to move at least three rolls toward or away from the sheet to curl or decurl the sheet by contacting the sheet with three of the four rolls, the first, the second, the third, and the fourth roll defining a sheet processing path; and a sheet feeding assembly, the sheet feeding assembly being configured to feed a sheet to the sheet processing assembly.