Abstract: A tape drive has a belt drive mechanism to rotate a cartridge roller. The belt drive mechanism includes a motor rotating a wheel mounted on a separate shaft using a belt. The movement of the belt is directly transferred to the cartridge roller due to the friction between the belt and the cartridge roller. A cushion of an elastomeric material is wrapped around the periphery of the wheel to cushion the belt and allows the belt to wrap slightly around the cartridge roller to increase the contact area of the belt on the cartridge roller and increase the life of the belt. Alternatively, the wheel may be of a rigid material and the belt of an elastomeric material.

Abstract: A device is disposed in the path of paper leaving a printing unit or processor such as an office copier, facsimile or non-impact printer and has an arcuate concave guide and a feed roll which causes the paper to pass between the guide and the feed roll to decurl the paper. The space between the guide and the roller is greater than the thickness of the paper and the paper is bent in the direction opposite to its curl as it passes through the arched space, while the beam strength of the paper and the change in direction of the paper maintain adequate drive friction on the paper. The feed roll is mounted for movement laterally of the direction of paper travel to cause it to be laterally displaced or offset.