Method and apparatus for controlling overdrive in a frictionally driven system including a conformable member

摘要

Controlling image defects related to transfer or fusing of toner images in an electrostatographic machine, wherein engagement between an operational surface of a toner image bearing member or fusing member and an operational surface of another member forming a nip is adjusted using an engagement adjustment device in order to reduce or eliminate image defects relating to an overdrive or underdrive associated with the nip. The engagement adjustment device provides a preselected amount of overdrive or underdrive between a toner image bearing member or fusing member and a receiver member, which preselected amount includes zero.